Criteria for the Passive House, EnerPHit and PHI Low
Contents
1. and a high degree of user satisfaction as well as protection against condensate related damage In order to guarantee this the minimum criteria mentioned below must also be complied with in addition to the criteria in Sections 2 1 to 2 3 With the exception of the minimum U values for thermal comfort Table 6 on the right these requirements also apply for PHI Low Energy Buildings 2 4 1 Frequency of overheating Percentage of hours in a given year with indoor temperatures above 25 C without active cooling lt 10 with active cooling cooling system must be adequately dimensioned 2 4 2 Frequency of excessively high humidity Percentage of hours in a given year with absolute indoor air humidity levels above 12 g kg without active cooling lt 20 with active cooling lt 10 2 4 3 Minimum thermal protection The criteria for the minimum level of thermal protection according to Table 6 are always applicable irrespective of the energy standard and must be complied with even if EnerPHit exemptions are used They apply for each individual building component on its own e g wall build up window connection detail Averaging of several different building components as evidence of compliance with the criteria is not permissible As a rule the minimum level of thermal protection is already covered by the much more stringent criteria mentioned in Sections 2 1 to 2 3 The following minimum criter2. floor area multiplied by 2 5 m room height Non residential buildings The average ventilation volumetric flow must be determined for the specific project based on a fresh air demand of 15 30 m h per person higher volumetric flows are permitted in the case of use for sports etc and if required by the applicable mandatory requirements relating to labour laws The different operation settings and times of the ventilation system must be considered Operating times for pre ventilation and post ventilation should be taken into account when switching off the ventilation system For residential and non residential buildings the mass flows used must correspond with the actual adjusted values Domestic hot water demand Residential buildings 25 litres of 60 C water per person per day unless PHI has specified other national values Non residential buildings the domestic hot water demand in litres of 60 C water per person per day must be separately determined for each specific project Balance boundary for electricity demand All electricity uses that are within the thermal building envelope are taken into account in the energy balance Electricity uses near the building or on the premises that are outside of the thermal envelope are generally not taken into account By way of exception the following electricity uses are taken into account even if they are outside of the thermal envelope Electricity for the generatio
3. provided in the transitional phase by proving compliance with the previous requirement for the non renewable primary energy demand PE of Qp lt 120 kWh m a The desired verification method can be selected in the PHPP worksheet Verification The primary energy factor profile 1 in the PHPP should be used by default unless PHI has specified other national values Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 4 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source _ EnerPHit Standard 2 2 EnerPHit Standard The Passive House Standard often cannot be feasibly achieved in older buildings due to various difficulties Refurbishment to the EnerPHit Standard using Passive House components for relevant structural elements in such buildings leads to extensive improvements with respect to thermal comfort structural integrity cost effectiveness and energy requirements The EnerPHit Standard can be achieved through compliance with the criteria of the component method Table 2 or alternatively through compliance with the criteria of the energy demand method Table 3 Only the criteria of one of these methods must be met The climate zone to be used for the building s location is automatically determined on the basis of the chosen climate data set in the Passive House Planning Package PHPP As a rule the criteria m
4. sound protection filters supply and extract air valves openings for transferred air outdoor air intake and exhaust air outlet dimensioning and insulation of ducts subsoil heat exchanger if used regulation etc Information about the subsoil heat exchanger if used length depth and type of installation soil quality size and tube material and verification of the heat recovery efficiency e g with PHLuft For subsoil brine heat exchangers regulation temperature limits for winter summer and verification of the heat recovery efficiency Evidence regarding heat recovery efficiency and electricity demand of the ventilation system in accordance with the Passive House Institute method see www passivehouse com In cool climates heat dissipated by the fans reduces the efficiency of the heat recovery as it represents an additional heating load However for simplification the previous method of PHI is currently still used for proof of heat recovery efficiency also in cooling climates Exhaust air systems without heat recovery e g fume hoods and fume cabinets etc should be included Different operation settings and operation times should be taken into account Manufacturer type technical data sheets and verification of the electricity demand of all components of the ventilation system such as the heating coils frost protection etc HRV commissioning report at minimum the report must include the following description of the property l
5. the criteria 1 Introduction 1 1 Structure of the criteria The present document contains the complete criteria for the energy standards for buildings as defined by the Passive House Institute PHI The specific criteria for the three standards are specified in the first three subsections of Section 2 Criteria The requirements given in Section 2 4 General minimum criteria for all Standards must also be complied with irrespective of the chosen energy standard Evidence of compliance with the criteria shall be provided using the Passive House Planning Package PHPP with the application of the boundary conditions listed in Section 2 5 Boundary conditions for the PHPP calculation If a building is to be certified by the Passive House Institute or one of the certifiers accredited by PHI the examination shall take place in accordance with Section 3 Technical regulations for building certification The documents to be submitted for the certification process are listed in Section 3 2 1 2 Changes in this version of the certification criteria Previously there were three separate documents with criteria for residential Passive House buildings non residential Passive House buildings and for EnerPHit retrofits These have now been combined in one document and supplemented with the criteria for the new PHI Low Energy Building Standard There will no longer be any separate requirements for residential and non residential buildings The cri
6. volume 2 Two alternative criteria which are enclosed by a double line together may replace both of the adjacent criteria on the left which are also enclosed by a double line 3 Energy for heating cooling dehumidification DHW lighting auxiliary electricity and electrical appliances is included The limit value applies for residential buildings and typical educational and administrative buildings In case of uses deviating from these if an extremely high electricity demand occurs then the limit value can also be exceeded after consultation with the Passive House Institute For this evidence of efficient use of electrical energy is necessary with the exception of existing electricity uses for which an improvement of the electrical efficiency by means of upgrading or renewal would prove uneconomical over the lifecycle Qu heating demand Qu pH Passive House criterion for the heating demand forer H weighted mean of the PER factors of the heating system of the building Qc cooling demand incl dehumidification Qc ph Passive House criterion for the cooling demand If the terms Qu Qu pH and Qc Qc pH are smaller than zero zero will adopted as the value 4 The requirements for the PER demand and generation of renewable energy were first introduced in 2015 As an alternative to these two criteria evidence for the Passive House Classic Standard can continue to be provided in the transitional phase by proving compliance with the
7. 1 0 h Standard text hereby confirm that a search for leaks was carried out at negative pressure All rooms within the airtight building envelope were accessed for this purpose All potential weak points were checked for leaks This also applies in the case of areas which were difficult to access e g large room heights Any larger leaks that were found having a relevant share of the total leakage volumetric flow or affecting thermal comfort were sealed The following information is necessary Name address company of the person signing Date and signature Description and address of the construction project Pressurisation test date and name of the person carrying this out 3 2 11 Photographs The progress of construction should be supported with photographs it is not necessary to provide complete photographic documentation of all measures 3 2 12 Exemptions only for EnerPHit If applicable necessary proof of the use of exemptions e g economic feasibility calculation see 3 2 13 written confirmation by the historic building preservation authority excerpts from laws and ordinances extract of a plan are required Generally in the event that a specific value that is required as standard is exceeded on the basis of an exemption clear evidence should be provided that the prerequisites for the exemption exist by presenting the appropriate documents with the signature of the person in charge
8. I reserves the right to adapt criteria and calculation procedures to reflect technical advances and developments An informal application for the certificate can be made with the chosen Passive House Institute accredited Building Certifier The required documents according to Section 3 Does not apply in warm hot and extremely hot climate zones Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 16 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source Documents to be submitted 3 2 must be submitted in full to the certifier The certification documents must be checked at least once Depending on the procedure further checks may also be arranged Note if possible checking the relevant documents should be carried out during the planning stage so that any necessary corrections or suggestions for improvement can be taken into account in the implementation In the absence of experience with Passive House construction at least one consultation prior to planning and if applicable also a consultation during the project is advised After the assessment the client will receive results with corrected calculations and suggestions for improvement if applicable Inspection of construction work is not automatically covered by the certification Additional quality assurance of the construction work by the certifying body is parti
9. If a reduction of the heating demand or cooling demand is not achieved due to extremely extensive use of exemptions it is at the discretion of the certifier to issue only written confirmation relating to the specific value achieved in place of an EnerPHit certification 3 2 13 Economic feasibility calculation only for EnerPHit If applicable required as evidence for the use of an exemption see Section 3 2 12 7 In individual cases leakage detection at excess pressure may be admissible particularly in the case of an airtight layer on the outside Leakage detection can take place in the context of a pressurisation test Alternatively the pressure difference can also be generated by simple fans or the ventilation system Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 22 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source Documents to be submitted Calculation of economic feasibility compared with a refurbishment without improvement of the energy efficiency using the PHPP worksheet Comparison Use of the boundary conditions previously entered in the PHPP in case different national boundary conditions are not verified Alternatively in agreement with the certifier separate calculation using a dynamic valuation method e g capital value method over the lifecycle of the building component on the basis of al
10. Passive House CA Institute Rheinstr 44 46 64283 Darmstadt Germany www passiv de Criteria for the Passive House EnerPHit and PHI Low Energy Building Standard Draft Version not yet effective Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 1 23 Copyright 2015 Passive House Institute excerpts and use only permitted i unchanged form with complete citing of the source i Structure of the criteria Contents 1 WEFOCUICTION assainies aaa aaa a a Eaa 3 1 1 Structure of the criteria ooo cece ccc ce eee eee cceceeeceeeeseuucessaueeeeueeeseeaeesueauseesauseseaeeeeseeeeeusseseaneees 1 2 Changes in this version of the certification criteria 2 SC EE E anccubicea sisi nce atente deeds Th veecdeceucs E E bela tilavbedaneeeecdedelliecevens 4 2 1 Passive House Standard c cececcccceceeceeeeeeneceeeceeeeeeeseececneeeaeeeeesuduendeaeeaeeeeeeeeeseeeceececcaeeeeeeeeesseees 4 2 2 EnerPHit Standard ccccccccccccsseseeceeceeeeceeeeceeaeaeeceeeeseesaeaaaeeeeedueeenesecssaaaaeeeeeeeeeseeeeeneeeeeeeeeeseeessseees 5 Exemptions for Ene rPHit ccccssssccccsssesceesessccesessscccsesessssesnesssesss 1 fMOMMMMMi ccsssccseceessccseesssssssseesssenssensssssecessas 9 2 3 PHI Low Energy Building Standard ceccseeeeeeeeeeecedenneceeeceeeeecesnadeeeeeeaceeeeeeeeeeeeseeeaeeeeeneeerees 10 2 4 General minimum criteria for all Standards l
11. accececceeeeeecccceeeeceteetenneceeeeeeceeeeeeeesssnnnneeeeeeees 11 2 4 1 Frequency of overheatting cccc ccccsscssecsessecses E aoeeoe erreren reee MO ERMIMie sssccseeeessneceneesseneeeeess 2 4 2 Frequency of excessively high humidity 2 4 3 Minimum thermal protection ccccccccccceceeeecenenecceeeeeeeeeeeeeeesee dadbeceaeeeeeeeeeeeeeeeeeeeqeceeteneeedbeseeseeeeeeeeneeees 2 4 4 Occupant Satisfaction 20 0 cccccccccssscccsssseecesesseeeeeesaetaecccseeceduensaeesecseceeeeeeeseeeeecseeeeecseseeeseceeeeeeesseeeeeess 12 2 5 Boundary conditions for the PHPP Calculation eeeecieeeeeceeeeeeeeeeeeeeeeeeeeeeaceeeeeeeeeeeseeenaaeeeeenaeeeeens 14 3 Technical regulations for building Certification sssessssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnna 16 3 1 Testing procedure 0000000000000e CEA REE scaeeeeeseee cess HG Dg secceeeneceeeeeeensaseeetesceeeeseneeeeeeesssoeees 16 3 2 Documents to be submitted 0 0 2 2 2 obec cesses tees Beee td aaBipe secceeeeeceeceneesneceeesssceeeeeeeeeeeeees 3 2 1 Passive House Planning Package PHPP 3 2 2 Planning documents for architeCture ccesccceececeescceeeeeeceeeeeceeeeteaaeetenaeeeeaeeesaaeeseaeeseaaeeseaeeseaeeseeeeseaeeseaaes 3 2 3 Standard and connection details eset eceecceessceceseceeeeeeeaceeeeneeeneaceneacessaaeessaaaeseaeeseaaeneeneeeeneneteaaes 19 3 2 4 Windows GQGIGOOTS 2 AOMG oe ceeeeccceeeeeee A E se eeescs
12. connection details in a quality typical for Passive Houses but such proof may be requested by the certifier in case of uncertainty Thermal comfort If the maximum heat transfer coefficients mentioned in Table 6 Criteria for minimum thermal protection are exceeded then evidence of the comfort conditions based on DIN EN ISO 7730 should be provided alternatively does not apply for PHI Low Energy Buildings Occupant satisfaction If use is made of any of the exemptions mentioned in Section Fehler Verweisquelle konnte nicht gefunden werden then evidence of the prerequisites for these must be provided 3 2 15 Construction manager s declaration Execution according to the reviewed project plan must be documented and confirmed with the construction manager s declaration Any variation in construction should be mentioned if any of the products used deviate from those included in the project plan corresponding evidence must be provided In some circumstances it may be necessary to provide additional test reports or data sheets for the components used in the building If values that are more favourable than those in the standard PHPP calculation procedure are to be used these should be supported by evidence Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 23 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complet
13. cularly useful if the construction management has no previous experience with the construction of Passive House buildings or with EnerPHit retrofits The awarding of the certificate only determines the correctness of the documents submitted according to the technological development relating to the standards as defined in Section 2 at the time of certification The assessment relates neither to the supervision of the work nor to monitoring of the user behaviour The liability for the planning remains with the responsible planners and all liability for the implementation lies with the construction management In individual cases it is possible that although a building meets the criteria in full it may have serious deficiencies in other areas which greatly restrict its usability safety or user satisfaction If the certifier becomes aware of any such defects then it is at the certifier s discretion to retain the certificate until it can be proven that these defects have been sufficiently rectified The Certified Passive House EnerPHit and PHI Low Energy Building seals may only be used with the associate certified building The certificate is valid for the construction implementation and building use documented in the booklet accompanying the certificate The energy relevant characteristic values of the building may be changed due to any extensive conversions or change of use that may take place in the future in which case the certificate will become
14. d as long as these are comparable with the component at hand In refurbishments of existing buildings it is not always possible to achieve absence of thermal bridges with justifiable effort as is necessary for Passive House new builds Nevertheless thermal bridge effects must always be avoided or minimised as much as possible while ensuring cost effectiveness Thermal bridges that are part of the standard structure of a building component must be taken into account in the evaluation of the heat transfer coefficient 2 Interior insulation An important reason for the lower requirements for interior insulation compared with exterior insulation is that it reduces the useable area therefore in principle only exterior walls are regarded as having interior insulation if applicable but roofs basement ceilings and floor slabs are not 3 Exterior colour Cool colours colours which have a low absorption coefficient in the infrared part of the solar spectrum This criterion is defined by the solar reflectance index SRI which is calculated from the absorptivity and emissivity in the PHPP in accordance with the international standard ASTM E1980 11 Flat roofs inclination lt 10 SRI 2 90 Sloped roofs and walls inclination gt 10 and lt 120 SRI 2 50 Measured values of areas exposed to weathering for at least 3 years must be used If measured values are only available for the new state then the absorptivity should be converted using the a
15. diceinbysiatenets cheeaebeoes PER Annual utilisation factor for heat generators E E A cane sesase eee Compact HP HP Ground Boiler or District Heating 5 The PHPP calculations for the heating load summer ventilation and cooling load have been developed for buildings with homogeneous utilisation More in depth studies other methods should be referred to for buildings with intermittent ventilation or heating operation and greatly fluctuating internal loads Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 18 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source Documents to be submitted 3 2 2 Planning documents for architecture Site plan including the building s orientation position and height of relevant shading elements neighbouring buildings prominent trees possibly elevated terrain etc photographs of the plot and surroundings The shading situation must be clearly understandable Implementation plans floor plans sections elevations with comprehensible dimensioning for all area calculations room dimensions envelope areas rough window opening sizes Comprehensible calculation of the treated floor area Location plans of envelope areas which allow easy and clear allocation of the areas in the PHPP to the planning drawings Alternatively if an existing DesignPH file can fu
16. ding envelope Porches conservatories etc that are not integrated into the thermal envelope of the building should not be included in the pressure test It is recommended that the test be carried out when the airtight layer is still accessible so that needed repairs can be carried out more easily The pressure test report should also document the calculation of the indoor air volume In principle the pressure test should be carried out by an institution or person independent of the client or contractor A pressure test that has been carried out by the client will only be accepted if the test result is signed by someone taking personal responsibility for the accuracy of the information provided Only for EnerPHit for values between 0 6 h and 1 0 h extensive leakage detection must be carried out within the framework of the pressurisation test during which individual leakages which may cause structural damage or impair comfort are sealed This must be confirmed in writing and signed by the person in charge in accordance with Section 3 2 10 Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 21 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source moe Documents to be submitted 3 2 10 Confirmation of detection and sealing of leaks only for EnerPHit Only required for a pressure test result of 0 6 ht lt nso lt
17. e PHPP sheet Ground For inclined building components the required value which most closely approximates the actual inclination of the window according to the sketch building component inclination in Table 6 will apply There will be no interpolation between two criteria Alternatively the criteria for thermal comfort will be deemed to have been fulfilled if evidence of the comfort conditions is provided in accordance with DIN EN ISO 7730 The thermal comfort criteria in Table 6 last four columns do not apply for PHI Low Energy Buildings 2 4 4 Occupant Satisfaction All living areas must have at least one operable window Exceptions are possible in justified cases as long as there is no significant likelihood of occupant satisfaction being affected It must be possible for the user to operate the lighting and temporary shading elements Priority must be given to user operated control over any automatic regulation In case of active heating and or cooling it must be possible for users to regulate the interior temperature for each utilisation unit The heating or air conditioning technology must be suitably dimensioned in order to ensure the specified temperatures for heating or cooling under all expected conditions Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 12 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unc
18. e citing of the source
19. eceeeseseeeeeeeescueceeeeeeseeesesseeeeesnsaaeeeeneseeeeeeesscceeeeeeenees 19 3 2 5 Veemtilention E E EEEE 20 3 2 6 Heating cooling if used DHW and waste water 2 eee ce eee eect eres terete ete tee eneeeeaeesaeeteeeeeeeeel 20 EPAF ABCIICALIGVIGOS ANG EE 21 EP e Renewable Ch pdia EEEE 3 2 9 Airtightness of the building envelope 3 2 10 Confirmation of detection and sealing of leaks only for EnerPHit cccceeeeeeeceeeeeseneeeeeeeeseneeesseeeeaees 22 3 2 11 FAGROOIAPNS Bee ce eceseeeeeesseneceneeseneeeeensneeeeeessaeeeeesescoeeneeseseeesessanseeseesseneeesesaaseeenesseeeneessccaserenenens 22 3 2 12 Exemptions only for EnerPHit ccccecccecceeeeeeeeeeeeeeeeeeeeeeeeeeaeeecaaeeseaaeeecaeesaaeeseaeesesaeesceeseaeeseeeeessaeeeeaes 22 3 2 13 Economic feasibility calculation only for EnerPHit cccceceeeceeeeeeeeceeeeeeeeeeeeeceaeeseaeeseseeeseneeessaeeeeaes 22 3 2 14 Verification of general minimum requirements according to Section 2 3 ccceeeeeeeeeeeeeeeeeeeeeseeeeeteeeeeaes 23 3 2 15 Construction manager s declaration cccccccccccessececesseseeeeceesseeeeeceneeeeeeecssaeeeeseeseeeesseeeeeeesesteeeeeesseeeeeesees 23 Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 2 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source Structure of
20. emand for all significant electricity uses such as elevators lighting security technology etc 3 2 8 Renewable energy Solar thermal systems attached to the building data sheets relating to the collectors and storage used indicating the necessary input parameters If the method implemented in the PHPP for assessing the solar fraction is not used then additional evidence regarding the monthly contribution of the solar thermal system is required e g simulation report PV system attached to the building data sheets of the collectors and inverters used indicating the parameters necessary for input PV and wind power systems which are not spatially connected to the building only new systems may be used i e systems which did not start operation before the beginning of construction of the building which are owned by the building owner or the long term users first time acquisition Appropriate proof of ownership must be provided together with evidence of the forecasted yearly electricity production of the system simulation and if necessary proof of the percentage of ownership of the system as a whole 3 2 9 Airtightness of the building envelope The airtightness measurement is carried out in accordance with EN 13829 A series of measurements is required for positive pressure and negative pressure in deviation from the standard The pressure test should only be carried out for the heated buil
21. entioned in Table 2 correspond with the criteria for certified Passive House components The criteria must be complied with at least as an average value for the entire building A higher value is permissible in certain areas as long as this is compensated for by means of better thermal protection in other areas In addition to the criteria in Table 2 or Table 3 the general criteria in Table 4 must always be met The EnerPHit categories Classic Plus or Premium may be achieved depending on the demand and generation of renewable primary energy PER 1 The criteria for certified Passive House components and data sheets for all certified components can be found on the Passive House Institute website www passivehouse com 2 Note When calculating average values for insulated building component assemblies the area weighted mean of the U value not the average insulation thickness applies Thermal bridges must only be taken into account during the calculation of the average value if they are part of the standard structure of the building component For multiple ventilation systems the average value weighted by volumetric flow applies Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 5 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source aaa EnerPHit Standard Table 2 EnerPHit criteria for the building component me
22. eteceeeeceececececeeteensbaeeeeeeeesesceeeeeeeeseseeeeneates Summer Specific value of useful cooling if active cooling is USEd cccceceeseeeeeeeeeteteeaees Cooling Latent cooling energy if active Cooling is used cccceeeceeeeceeeeeteeeetteeeeeteees Cooling Units Calculation of the cooling load of the building if active cooling is used Cooling Load Heating distribution losses DHW demand and distribution losses DHW Distribution Solar DHW provision if solar heating system eXists c ccceeeeeceeeeeeeeeteeeeeeeeeeees SolarDHW Photovoltaic electricity generation if PV system is USEC ccccccceeeeeeeeeeeeeeeeeeteeeeeeeeteneees PV Calculation of shared and domestic electricity demand only for residential buildings Electricity Utilisation profiles of non residential buildings ccceeceeeeeeceeeeeteeeeecteeeeeeeees Use non res Electricity demand of non residential buildingS c cceseeeeeeeeeeeeseeees Electricity non res Calculation of the auxiliary electricity deMand ccce ceeeceeeeceeeeeeeeeeeeetesteneeeees Aux Electricity Calculation of internal heat gains only for residential buildings 0 ccceceeeeeeeeeeeeeees IHG Calculation of internal heat gains only for non residential buildings IHG non res PER amd PE Values iss scsss sestecs svaslcass shanna sah niaii desea aana i S cncenshevasabacessu
23. hanged form with complete citing of the source General minimum criteria for all Standards Ventilation system Controllability The ventilation volume flow rate must be adjustable for the actual demand In residential buildings the volume flow rate must be user adjustable for each accommodation unit three settings are recommended standard volume flow standard volume flow 30 standard volume flow 30 Ventilation in all rooms All rooms within the thermal building envelope must be directly or indirectly transferred air ventilated with a sufficient volume flow rate This also applies for rooms which are not continuously used by persons provided that the mechanical ventilation of these rooms does not involve disproportionately high expenditure Excessively low relative indoor air humidity If a relative indoor air humidity lower than 30 is shown in the PHPP for one or several months effective countermeasures should be undertaken e g moisture recovery air humidifiers automatic control based on the demand or zone extended cascade ventilation or monitoring of the actual relative air humidity with the option of subsequent measures Sound level The ventilation system must not generate noise in living areas Recommended values for the sound level are lt 25 db A supply air rooms in residential buildings and bedrooms and recreational rooms in non residen
24. he actual inclination must be set for the window itself In the case of small windows above an average frame length to window area ratio of 3 m m the limit value mentioned in the table is steadily increased The limit value to be applied is automatically calculated and shown in the PHPP worksheet Verification in accordance with the following formula Addition to the limit value W m k I A 3 20 I length of window frame A window area 5 Solar load The limit value only applies for actively cooled buildings It refers to the solar radiation entering the building per m of glazing area after taking into account all reduction factors due to shading etc and must be complied with for the average value of all identically aligned windows If the limit value is exceeded then suitable measures must be undertaken to reduce the solar load to the point where the limit value can be complied with again These include movable shading elements shading overhangs and solar control glazing latter only in pure cooling climates Ventilation minimum heat recovery efficiency The heat recovery criterion must be complied with beyond the criteria for Certified Passive House Components for the entire ventilation system i e also including the heat losses of the warm ventilation ducts located in the cold area and of the cold ducts located in the warm area 7Minimum moisture recovery efficiency A humid climate prevails with dry degree hours for dehumidif
25. ia are therefore effective only in exceptional cases Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 11 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source General minimum criteria for all Standards Table 6 Criteria for minimum thermal protection Climate zone Hygiene Comfort Min Max thermal transfer temperature ae coefficient factor W m K ee elias Arctic 0 80 0 45 0 50 0 60 0 35 Warm temperate 0 60 Wam 055 1 Hygiene criterion Besides the requirement for the temperature of the building component s interior surface frRsi 0 25 mkw Mentioned in Table 6 all standard cross sections and connection details must also be planned and executed so that excessive moisture in the building component build up can be ruled out with the intended building use 2 Thermal comfort The limit values do not apply for areas which are not adjacent to rooms continuously used by persons and to separate areas smaller than 1 m Exceeding the limit value is permissible in the case of windows and doors if low temperatures arising on the inside are compensated by means of heating surfaces if there are doubts relating to thermal comfort For building components in contact with the ground the requirement for the U value can be divided by the reduction factor fr ground reduction factor in th
26. ication 2 15 kKh based on a dew point temperature of 17 C This is automatically determined in the PHPP Table 3 EnerPHit criteria for the energy demand method as an alternative to Table 2 Climate Zone Max cooling according Max heating dehumidification demand to PHPP demand kWh m a kWh m a Arctic Cool temperate equal to Passive 35 Warm House temperate a requirement C Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 7 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source Tecra EnerPHit Standard Table 4 General EnerPHit criteria always applicable irrespective of the chosen method Airtightness 60 Qu Quen 45 Qu 30 Qp 15 kWhi mmea PER demand kWhi m a Foren Qc Qhiex Qc Quen Qc 1 deviation from criteria Qo pu e 1 2 Qc pPh 1 2 Qopny 1 2 ia with compensation of the above deviation by different amount of generation Renewable energy generation 2 with reference to ground area onmia 1 Criteria and alternative criteria apply for all climate zones worldwide The reference area for all limit values is the treated floor area TFA calculated according to the latest version of the PHPP Manual exceptions generation of renewable energy with reference to ground area and airtightness with reference to the net air
27. invalid The documents submitted for certification may be used by the Passive House Institute for anonymised scientific evaluations and statistics 3 2 Documents to be submitted The use of components certified by the Passive House Institute is advised because all necessary parameters have been reliably tested and are available and as a rule can be used for building certification without the need for any further verification The applicant is liable to provide evidence of the characteristic values of products which have not been certified by the Passive House Institute 4 Data sheets for certified components can be found at www passivehouse com Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 17 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source Documents to be submitted 3 2 1 Passive House Planning Package PHPP Compliance with the criteria must be verified using the latest version of the PHPP However transfer of data to a newer PHPP version published when the project is already under way is not necessary The PHPP calculation should be submitted as an Excel file with at least the following calculations Worksheet Property data Summary Of reSUul
28. ire safety exist and there are no components available on the market that also comply with the EnerPHit criteria If the heat transfer U value of windows is increased due to a high thermal transmittance psi value of the window installation offset to the insulation layer in a wall that has interior insulation If damage free construction is only possible with a smaller insulation thickness in the case of interior insulation If other essential reasons relating to construction are present If the thickness of the thermal insulation is restricted due to any of the reasons mentioned above and an exemption is applicable then the insulation thickness that is still possible must be implemented with a high performance insulation material with a thermal conductivity lt 0 025 W mk if this can be implemented cost effectively and in a damage free way in the case of interior insulation In this case the additional application of a surrounding insulation skirt should be considered in the case of floor slabs and basement ceilings The measure should be implemented if this is economically viable Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 9 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source ibin PHI Low Energy Building Standard 2 3 PHI Low Energy Building Standard The PHI Low Ene
29. l relevant costs minus the costs that are incurred anyway more exact description e g in Wirtschaftlichkeit von W rmed mm Ma nahmen im Gebaudebestand Economic feasibility of thermal insulation measures in existing buildings 2005 in German which can be downloaded from www passivehouse com 3 2 14 Verification of general minimum requirements according to Section 2 3 Protection against moisture If the certifier has concerns regarding physical damage to the building due to moisture these should be resolved through evidence of moisture protection provided in accordance with accepted technical standards For building components with interior insulation evidence must be provided regarding careful detail planning with which air flow behind the insulation layer can be safely and permanently prevented if the execution of these details is carried out in accordance with the planning For interior insulation evidence must also be provided regarding the moisture related technical suitability of the components for the specific application In case of doubt proof of suitability with regard to moisture protection must be provided by means of a corresponding expert s report with legally effective acceptance of responsibility which is based on accepted methods This usually takes place through a hygrothermal simulation As a rule proof regarding the temperature factor frsi or input of this value into the PHPP is not required for
30. lfil this function this may also be submitted 3 2 3 Standard and connection details Location plans of thermal bridges if present for clear allocation of the entries in the PHPP Detailed drawings of all building envelope connections e g the exterior and interior walls at the basement ceiling or floor slab exterior wall at the roof and ceiling roof ridge verge attachment of balconies etc The details should be given with dimensions and information about materials used and their conductivities The airtight layer should be indicated and its execution at connection points should be described Evidence regarding the thermal bridge loss coefficients based on EN ISO 10211 as used in the PHPP Alternatively comparable documented thermal bridges can be used e g in certified Passive House EnerPHit construction systems PHI publications thermal bridge catalogues Manufacturer type and technical data sheets especially of insulation materials with very low conductivity Ark lt 0 032 W mkK Rated values of the thermal conductivity according to national standards or building authority approvals are permissible Evidence regarding radiation properties of the building s exterior surface only in hot and very hot climates for roof products measured values for absorptivity or reflectance and emissivity determined in accordance with ANSI CRRC 1 or comparable methods For wall products on account of poorer availabi
31. lity of data no requirements currently apply for the source of the specific values All values must be determined after a period of exposure to weathering of at least 3 years or conversion from new condition values in the PHPP Proof of moisture protection only in doubtful cases 3 2 4 Windows and doors Location plans for windows and doors for clear allocation of the entries in the PHPP Information about the window and door frames to be installed manufacturer type U value Winstallaton Yelazing Edge graphical representations of all planned installation situations in the exterior wall The calculated values should be computed in accordance with EN ISO 10077 2 Information about the glazing to be fitted manufacturer type build up Ug value according to EN 673 mathematically computed accuracy to two decimal places g value in accordance with EN 410 type of edge spacer Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 19 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source Documents to be submitted 3 2 5 Ventilation Building services plans for ventilation representation and dimensioning of ventilation units volumetric flows Final Protocol Worksheet for Ventilation Systems Design see PHPP CD
32. n and distribution of heating domestic hot water and cooling as well as for ventilation provided that this supplies building parts situated within the thermal envelope Elevators and escalators which are situated outside provided that these overcome the distance in height caused by the building and serve as access to the building Computers and communication technology server including UPS telephone system etc including the air conditioning necessary for these to the extent they are used by the building s occupants Household appliances such as washing machines dryers refrigerators freezers if used by the building s occupants themselves Intentional illumination of the interior by externally situated light sources Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 15 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source infinie Testing procedure 3 Technical regulations for building certification 3 1 Testing procedure Passive House buildings and buildings refurbished to the EnerPHit Standard are buildings in which comfortable indoor conditions can be achieved throughout the year with extremely low energy input They must meet very stringent requirements regarding their design planning and execution Subject to a thorough quality check buildings can be ce
33. ng auxiliary electricity and electrical appliances is included The limit value applies for residential buildings and typical educational and administrative buildings In case of uses deviating from these if an extremely high electricity demand occurs then the limit value can also be exceeded after consultation with the Passive House Institute Evidence of efficient use of electrical energy is necessary for this 5 The requirements for the PER demand and generation of renewable energy were first introduced in 2015 As an alternative to these two criteria evidence for the Passive House Classic Standard can be provided in the transitional phase by proving compliance with the requirement for the non renewable primary energy demand PE of Qp lt 120 kWh m a The desired verification method can be selected in the PHPP worksheet Verification The primary energy factor profile 1 in the PHPP should be used by default unless the PHI has specified other national values Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 10 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source General minimum criteria for all Standards 2 4 General minimum criteria for all Standards Besides a high level of energy efficiency Passive House buildings and buildings refurbished to the EnerPHit Standard offer an optimum standard of thermal comfort
34. ocation address of the building name and address of the tester time of adjustment ventilation system manufacturer and type of device adjusted volume flow rates for standard operation mass flow volumetric flow balance for outdoor air and exhaust air maximum disbalance of 10 A report should be provided regarding the adjustment of all supply air and extract air valves If this is not possible in individual non residential buildings for technical reasons then at least the volume flow rates in the ventilation unit outdoor air exhaust air and in the principal ducts of the ventilation system should be measured Recommended Final Protocol Worksheet for Ventilation Systems source PHPP CD or www passivehouse com 3 2 6 Heating cooling if used DHW and waste water Building services plans for heating cooling if used DHW and waste water representation of heat generators heat storage heat distribution pipes heating coils heating surfaces pumps regulation hot water distribution circulation single pipes pumps regulation aerated drain pipes including their diameters and insulation thicknesses representation and dimensioning of cooling and dehumidification systems Short description of the planned building services supply systems if necessary with schematic diagrams Manufacturer type technical data sheets and verification of the electricity demand for heat generators f
35. or heating and hot water heat storage pumps cooling of the building if used pressure increase lift pumps etc In buildings without active cooling evidence regarding summer comfort The PHPP procedure for determining overheating in summer only indicates the average value for the whole building 6 PHLuft Programme facilitating planning of Passive House ventilation systems Free download from www passivehouse com Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 20 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source Documents to be submitted nevertheless individual parts may become overheated If this is suspected a detailed analysis should be carried out e g by means of a transient simulation 3 2 7 Electrical devices and lighting Building services plans for electrical fittings in residential buildings only if planning or concept for efficient use of electricity exists otherwise the standard values already entered in the PHPP will be used representation and dimensioning of lighting as well as concepts or simulations for the use of daylight if applicable elevators kitchen equipment computers telecommunication systems and other specific uses of electricity e g furnaces Manufacturer type technical data sheets and verification of the electricity d
36. ow Energy Building Standards revised 25 03 2015 3 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source laera Passive House Standard 2 Criteria 2 1 Passive House Standard Passive Houses are characterised by an especially high level of indoor comfort with minimum energy expenditure In general the Passive House Standard provides excellent cost effectiveness particularly in the case of new builds The categories Passive House Classic Plus or Premium can be achieved depending on the demand and generation of renewable primary energy PER Table 1 Passive House Criteria Alternative Criteria Heating heating demand KWhi m a E heating load twine E i Cooling cooling dehumidification demand kWh m a 15 dehumidification contribution variable limit value cooling load ee a Renewable Primary Energ PER demand kWh mz2a E T renewable energy generation 5 ly compensation aie with reference to ground area kWh m a above deviation by different amount of generation 1 The criteria and alternative criteria apply for all climates worldwide The reference area for all limit values is the treated floor area TFA calculated according to the latest version of the PHPP Manual exceptions generation of renewable energy with reference to ground area and airtightness with reference to the net air volume 2 Two alternative criteria
37. previous requirement for the non renewable primary energy demand Qp lt 120 kWh m a Qu 15 kWh m a 1 2 Qc Qc Passive House criterion In the above mentioned formula if the terms Qu 15 kWh m a and Qc Qc Passive House criterion are smaller than zero then zero will be adopted as the value The desired verification method can be selected in the PHPP worksheet Verification The primary energy factor profile 1 in the PHPP should be used by default unless PHI has specified other national values Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 8 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source _ EnerPHit Standard Exemptions for EnerPHit The limit values in Table 2 for the heat transfer coefficients of the exterior envelope building components may be exceeded if absolutely necessary based on one or more of the following compelling reasons If required by the historical building preservation authorities If the cost effectiveness of a required measure is no longer assured due to exceptional circumstances or additional requirements Due to legal requirements If implementation of the required standard of thermal insulation would result in unacceptable restriction of the use of the building or adjacent outer areas If special additional requirements e g f
38. rgy Building Standard is suitable for buildings which do not fully comply with Passive House criteria for various reasons Table 5 PHI Low Energy Building criteria Alternative Criteria Heating paing demand RATA Cooling cooling dehumidification demand kWh m a Passive House requirement 15 Airtightness 4 5 Renewable Primary Energy PER Exceeding the criteria up to 15 2 PER Gemei PANEN kWh m a is permitted renewable energy generation wiin compensation ee 5 ios ae with reference to ground area kWh m7a above deviation by additional generation 1 Criteria and alternative criteria apply for all climate zones worldwide The reference area for all limit values is the treated floor area TFA calculated according to the latest version of the PHPP Manual exceptions generation of renewable energy with reference to ground area and airtightness with reference to the net air volume 2 Two alternative criteria which are enclosed by a double line together may replace both of the adjacent criteria on the left which are also enclosed by a double line 3 The basis is the maximum of the two alternative Passive House criteria for the cooling demand The Passive House criterion for the cooling load does not apply The criteria applicable for the respective building are automatically calculated in the PHPP and displayed in the worksheet Verification 4 Energy for heating cooling dehumidification DHW lighti
39. rtified in accordance with the criteria for the respective energy standard as mentioned in Section 2 If the technical accuracy of the required documentation for the tested building is confirmed in accordance with Section 3 2 and the criteria in Section 2 are fulfilled the respective applicable seal will be issued EnerPHit Certified Passive House Retrofit Passive House Institute Passive House Institute EnerPHit PD Certified eo Certified Retrofit Passive House Institute classic plus premium Passive House seal EnerPHit seal EnerPHit seal for buildings with mostly interior Low Energy Building insulation PHI Low Energy Building seal EnerPHit certification is only possible for buildings for which modernisation to the Passive House Standard for new builds would be uneconomical or impossible in practical terms due to the existing building characteristics or building substance In principle an EnerPHit certificate cannot be issued for new builds If more than 25 of the opaque exterior wall area of an EnerPHit retrofit has interior insulation then the designation EnerPHit I in superscript form is used For building certification the current certification criteria and technical regulations for building certification up to date on www passivehouse com apply and take precedence over the calculation methodology described in the PHPP User Manual and the PHPP software which shall apply subordinately PH
40. s which are adjacent to other buildings e g urban developments must include at least one exterior wall a roof area and a floor slab and or basement ceiling to be eligible for separate certification Calculation method The monthly method is used for the specific heating demand Internal heat gains The PHPP contains standard values for internal heat gains in a range of utilisation types These are to be used unless PHI has specified other values e g national values The use of the individually calculated internal heat gains in PHPP is only permitted if it can be shown that actual utilisation will and must differ considerably from the utilisation on which the standard values are based Internal moisture gains Average value over all annual hours also outside of the usage period residential building 100 g person h non residential building without significant moisture sources beyond moisture released by persons e g office educational buildings etc 10 g Person h non residential building with significant moisture sources beyond moisture released by persons plausible substantiated estimation based on the anticipated utilisation Occupancy rates Residential buildings standard occupancy rate in the PHPP if the expected number of persons is significantly higher than the standard occupancy rate then it is recommended that the higher value should be used Non residential buildings Occupanc
41. teria were extended with regard to the following aspects A new evaluation procedure based on Primary Energy Renewable PER which was recently developed by the Passive House Institute has been integrated For the Passive House or EnerPHit Standards one of the three categories Classic Plus and Premium can now be achieved depending on the PER demand and the renewable energy generated The requirement for the PER demand replaces the previous requirement for the non renewable primary energy demand PE however the old method based on PE may continue to be used in parallel during the transitional phase only for the Classic or PHI Low Energy Building categories The EnerPHit criteria for modernisation of existing buildings using Passive House components were previously only valid for the cool temperate climate They are now applicable worldwide The requirements conform to classification into seven climate zones The previous restriction to a cool temperate climate ceases to apply also in the case of non residential Passive House buildings Additionally the criteria have been completely revised and restructured with the purpose of making them clearer and more comprehensible The previous external document relating to the so called soft criteria no longer applies These criteria have been more precisely defined and integrated into the actual criteria Criteria for the Passive House EnerPHit and PHI L
42. thod ETTIR ue envelope against Windows including exterior doors Ventilation ambient air Overall Glazing Solar load Exterior Interior inj Exterior Solar heat gain E Climate insulation sulation paint Max heat it specific coefficient Zone transfer solar load according Max heat transfer coefficient Cool coefficient g value only if during active heating y to PHPP U value colours Upww instatea cooling present period SE OT eee ee 9 44 ee Arctic 0 09 0 25 0 45 0 50 a 60 U 9 0 7 lt 0 80 pusr ae ee son temperate PHPP j i g7 Warm from temperate Project Uy 9 2 8 lt 1 _ specific Warm _ heating and cooling 1 25 1 30 degree days against ground 1 Opaque building envelope If the heat transfer resistance R value of existing building components is taken into account for the improvement of the heat transfer coefficients U value of modernised building components this must be demonstrated in accordance with the accepted technical standards It is sufficient to adopt a conservative approximation of the thermal conductivity of the present building materials from suitable reference charts If building component assemblies of existing buildings are not clearly identifiable standardised estimates according to the year of construction as taken from appropriate component catalogues e g EnerPHit Planerhandbuch PHI 2012 only available in German can be use
43. tial buildings lt 30 db A rooms in non residential buildings except for bedrooms and recreational rooms and_extract air rooms in residential buildings Draughts The ventilation system must not cause uncomfortable draughts Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 13 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source Boundary conditions for the PHPP calculation 2 5 Boundary conditions for the PHPP calculation When verifying the criteria using the Passive House Planning Package PHPP the following boundary conditions must be fulfilled Zoning The entire building envelope e g a row of terraced houses or an apartment block or office building with several thermally connected units must be taken into account for calculation of the specific values An overall calculation can be used to provide evidence of this If all zones have the same set temperature then a weighted average based on the TFA from individual PHPP calculations of several sub zones may be used Combination of thermally separated buildings is not permissible For the certification of refurbishments or extensions the area considered must contain at least one external wall a roof surface and a floor slab or basement ceiling Single units inside a multi storey building cannot be certified Building
44. ts c ccccceceeeeceeeeeeeeeeeeeeeeaeeeeeeeeeseeeeneeeeeeeereeeeas Verification Selection of the climatic data Set cccccecsceceeeeeeeeeneeceeeeeeeeeeneaeeagaeeeesetccieeeseeeeeeeneaees Climate Calculation of U values of regular building component c sccceceeseeeeeeeteeteteeeees U values Summary of areas with allocation of radiation balance data thermal bridges Areas Calculation of reduction factors against ground if USEC 2 2 eeceebeeeeeeececeeeteeeeteeteaees Ground Building component database eee ceeceeeceeeeeeeeeeeeagdiheceeeeeeeesaaeaaaeeseeeadieeaeeeeaeeees Components Determination of the Uw values 00 cccceecceceeeeendteseaeeeeceeeceeaeaeeeeeeeeseeeenteeeedaeseseeneeees Windows Determination of shading Coefficients c cecceceeccecceceeeeeeeceeeeeeeeeeseeesueeeeteeeedbneteeees Shading Air quantities heat recovery efficiency input of pressure test results 0008 Ventilation Dimensioning of ventilation systems with several ventilation units if used Additional vent Calculation of the heating demand using monthly method based on EN 13790 if heating used Heating Calculation of the heating load of the building if heating used 0 ee Heating Load Determination of summer ventilation 0 cceseeeeeedbeeceeeeeeecteeeeteeeeeeeeneeaeeeeeeseeeaes SummVent Assessment of summer Climate ccet cc
45. uxiliary calculation in the PHPP worksheet Areas provided for this purpose For simplification the emissivity can be kept as it is In the following cases this criterion does not have to be met greened surfaces areas which are covered with rear ventilated solar collectors or photovoltaic panels including the distance required between the panels penetrations in building components and the associated equipment accessible roof terraces or paths areas that are strongly shaded or do not face the sun Other measures can also be undertaken as an alternative to the use of cool colours e g increasing the insulation Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 6 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source fcr EnerPHit Standard thickness beyond the applicable criterion for the building component if this does not increase the overall cooling demand compared with the use of cool colours 4 Window as a whole The illustrations show the respective inclination of the installed window In each case the criterion for inclination of components will apply which most closely approximates the actual inclination of the window There will be no interpolation between two criteria However since the glazing U value changes with the inclination due to physical processes the glazing U value Ug corresponding to t
46. which are enclosed by a double line together may replace both of the adjacent criteria on the left which are also enclosed by a double line 3 The steady state heating load calculated in the PHPP is applicable Loads for heating up after temperature setbacks are not taken into account 4 Variable limit value subject to climate data necessary air change rate and internal moisture loads calculation in the PHPP 5 Variable limit value subject to climate data necessary air change rate and internal heat and moisture loads calculation in the PHPP The steady state cooling load calculated in the PHPP is applicable In the case of internal heat gains greater than 2 1 W m the limit value will increase by the difference between the actual internal heat gains and 2 1 W m T Energy for heating cooling dehumidification DHW lighting auxiliary electricity and electrical appliances is included The limit value applies for residential buildings and typical educational and administrative buildings In case of uses deviating from these if an extremely high electricity demand occurs then the limit value can also be exceeded after consultation with the Passive House Institute Evidence of efficient use of electrical energy is necessary for this 8 The requirements for the PER demand and generation of renewable energy were first introduced in 2015 As an alternative to these two criteria evidence for the Passive House Classic Standard can continue to be
47. y rates and periods of occupancy must be determined on a project specific basis and coordinated with the utilisation profile Indoor design temperature Heating residential buildings 20 C without night setback non residential buildings standard indoor temperatures based on EN 12831 apply For unspecified uses or deviating requirements the indoor temperature is to be determined on a project specific basis For intermittent heating night setback the indoor design temperature may be decreased upon verification Cooling and dehumidification 25 C for 12 g kg absolute indoor air humidity Criteria for the Passive House EnerPHit and PHI Low Energy Building Standards revised 25 03 2015 14 23 Copyright 2015 Passive House Institute excerpts and use only permitted in an unchanged form with complete citing of the source ashete Boundary conditions for the PHPP calculation Climate data Climate data sets with a seven digit ID number approved by the Passive House Institute should be used The selected data set must be representative for the climate of the building s location If an approved data set is not yet available for the location of the building then a new data set can be requested from an accredited Passive House Building Certifier Average ventilation volumetric flow Residential buildings 20 30 m h per person in the household but at least a 0 30 fold air change with reference to the treated
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