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LEED and Energy Modeling

1. Plan Then Execute Method Choose software Determine scope for energy modeling Determine space classifications Determine thermal block strategy Finish modeling plan for Proposed Building Create modeling plan for Baseline Building Survey the competition o N a O eO MDa Execute analysis BASELINE BUILDING MODEL Creating the Baseline Modeling Plan Baseline Building Model Start with proposed building model Preserve elements which must be identical Replace elements which must be prescriptive Approach Assemble and review modeling checklist for Baseline Building Sample Checklist Illustrates checklist concept and application For new construction scenarios only Includes key details omits others due to space limitations 2014 Carrier Corp 26 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 3 PROPOSED BUILDING MODEL Baseline Modeling Rules Overview General Approach 6 HVAC Systems BASELINE BUILDING MODEL 1 General Modeling Issues Same as P oti Proposed rescriptive Sample checklists apply to New Construction scenario only and include key issues Refer to 90 1 Appendix G for full requirements 2014 Carrier Corp 27 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 BASELINE BUILDING MODEL 2 Envelope Opaque Elements Sz peme a Proposed rescriptive Sample checklists apply to New Construction scenario only and include
2. 9 16 2014 CN QUESTION 1 Select circle the 3 items which are key conditions necessary for high quality energy modeling Energy modeling software a Must use an 8760 hour by hour analysis b Must be sufficiently detailed and have features capable of supporting your modeling objectives c Must be capable of modeling at least 10 thermal zones Energy modeler d Must be a LEED accredited professional e Must understand the required energy modeling procedure f Must be an accredited Building Energy Modeling Professional BEMP g Must understand the chosen energy modeling software operation features calculations reports h Must hold a BS degree or higher in engineering and have at least 5 years experience in HVAC engineering C PERFORMANCE RATING METHOD Energy Modeling Procedure for EA Credit 1 Performance Rating Method PRM Rates energy efficiency of buildings which exceed energy code provisions ASHRAE 90 1 2007 Appendix G Requirements for Software Tool Used Modeling Proposed Building Modeling Baseline Building 2014 Carrier Corp 7 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 C PERFORMANCE RATING METHOD PRM Basic Concepts Basic Concept Compare Proposed Design vs Reference Case to determine energy cost savings Savings Calculation Baseline Energy Cost Proposed Energy Cost Baseline Energy Cost Savings 100x All end uses for ener
3. you should be able to 1 Identify the key prerequisites for high quality energy modeling and the risks created by failing to meet each prerequisite Explain how the ASHRAE 90 1 Appendix G Performance Rating Method determines energy cost savings for a building project and how the cost savings are used to calculate LEED Energy and Atmosphere Credit 1 points State the basic principles used to assemble the Baseline Building for a given proposed Design in a LEED Energy and Atmosphere Credit 1 analysis Describe how to evaluate thermal block modeling issues in a building to minimize modeling cost and at the same time preserve accuracy of results LEED is a registered trademark of the U S Green Building Council EN XZ 2014 Carrier Corp ENERGY MODELING FOR LEED QUESTIONS 37 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 wW sustainability a symposium 2 United Technologies turn to the experts 2014 Carrier Corp 38
4. Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 wW sustainability CG United Technologies a turn to the experts 27 XJ symposium Energy Modeling for the LEED Energy amp Atmosphere Credit 1 Bob Feduik P E LEED BD amp C BEMP Regional Sales Manager Software Systems 2013 Carrier Corporation cs EDUCATION AND CREDENTIAL CREDITS In order to receive a certificate for this course you must both 1 Sign the workshop attendance sheet which demonstrates that you have attended the workshop This will be passed around the room at the start of the workshop Print legibly so that information can be easily verified 2 Complete the Survey At the end of the workshop you must also complete the workshop evaluation Turn in the Evaluation to the moderator Certificates will be sent to you Under the November 2012 rule this course may qualify for GBCI LEED CMP credit under the Educational Category LEED is a registered trademark of the U S Green Building Council 2014 Carrier Corp 9 16 2014 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 SESSION OBJECTIVES After this session you should be able to 1 Identify the key prerequisites for high quality energy modeling and the risks created by failing to meet each prerequisite Explain how the ASHRAE 90 1 Appendix G Performance Rating Method determines energy cost savings for a building project and how the cos
5. HVAC engineering fundamentals Chosen energy modeling software Procedure required to achieve objective SOFTWARE SELECTION REVISITED Key Conditions for Efficient Modeling 1 The Energy Modeling Tool Provides features to automate PRM related tasks 2 The Energy Modeler Uses efficient approach e g Plan Then Execute 2014 Carrier Corp 35 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 SOFTWARE SELECTION REVISITED Challenges for Efficient Modeling The Problem Rating procedures require specialized tasks Outside normal scope of energy modeling Tasks can be labor intensive Proposed Solution Automation of key PRM tasks SOFTWARE SELECTION REVISITED Sample High Impact Tasks for Automation Inputs 1 Copying entire Proposed Building as basis for Baseline 2 Efficiently converting data to prescriptive assemblies lighting systems 3 Rotating baseline building Calculations Setting equipment capacity based on 15 and 25 factors Setting equipment efficiency per ASHRAE 90 1 minimums Decompiling EERs and COPs into compressor and fan components Performing baseline fan power allowance calculation G3 1 2 9 Setting PFPMBX fan power based on W CFM specification Setting CW Cond Water HW pump power based on W gpm specification 2014 Carrier Corp 36 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 C SESSION OBJECTIVES After this session
6. L Finishing the Modeling Plan Proposed Building Model Start with actual design Make allowed simplifications Make required modifications Approach Assemble and review modeling checklist for Proposed Building 2014 Carrier Corp 22 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 PROPOSED BUILDING MODEL Finishing the Modeling Plan Sample Checklist Illustrates checklist concept and application For New Construction scenarios only Includes key details omits others due to space limitations Elements General modeling issues HVAC Systems Schedules Service Hot Water Envelope Receptacle Lighting Energy Prices PROPOSED BUILDING MODEL 1 General Modeling Issues 2014 Carrier Corp 23 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 cs PROPOSED BUILDING MODEL 3 Envelope cs PROPOSED BUILDING MODEL 4 Lighting Sample checklists apply to New Construction scenario only and include key issues Refer to 90 1 Appendix G for full requirements 2014 Carrier Corp 24 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 cs PROPOSED BUILDING MODEL 5 HVAC Systems PROPOSED BUILDING MODEL 7 Receptacle and Process Loads 2014 Carrier Corp 25 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 cs CREATE MODELING PLAN FOR BASELINE BUILDING
7. aster cheaper modeling Can affect LEED EA Credit 1 points potential Example Office building 30 000 sqft existing 10 000 sqft addition LEED is a registered trademark of the U S Green Building Council 2014 Carrier Corp 14 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 K SCOPE OF ENERGY MODEL Conditions for Reduced Scope All conditions must be met Renovation or addition to existing building HVAC systems completely separate in part modeled and not modeled Little or no heat flow through separating partitions similar setpoints and schedules Flat energy prices or separate energy meter for renovation CN QUESTION 3 What is the required scope for the example below Is it whole building or addition only Example 1 Existing office building 4 floors 64 000 sqft 2 Addition of 18 000 sqft office space to be constructed 3 Flat energy prices will be used in model 4 5 FCUs to be connected to existing CW and HW plants HVAC for addition is hydronic fan coil units Answer Whole Building 2014 Carrier Corp 15 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 DETERMINE SPACE CLASSIFICATIONS Plan Then Execute Method Choose software Determine scope for energy modeling Determine space classifications Determine thermal block strategy Finish modeling plan for Proposed Building Create modeling plan for Baseline Buil
8. ding Survey the competition 1 2 3 4 5 6 7 8 Execute analysis SPACE USE CLASSIFICATION Importance Can affect Thermal block strategy Baseline system selection Lighting power density Baseline and sometimes Proposed Schedules if actual not known Occupant receptacle SHW loads if actual not known Classification Rules Use Building Area method or Space by Space method Consistently apply throughout building Multi Use Buildings Can use different building usage types Usage Not Known Choose Office type 2014 Carrier Corp 16 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 DETERMINE THERMAL BLOCK STRATEGY Plan Then Execute Method Choose software Determine scope for energy modeling Determine space classifications Determine thermal block strategy Finish modeling plan for Proposed Building Create modeling plan for Baseline Building Survey the competition T 2 3 4 5 6 T 8 Execute analysis THERMAL BLOCKS Example Modeling Building As Designed Conditions Rectangular off 4 stories 60 000 sqft 152 zones Consequences 1 Proposed Bldg 4 Baseline Bldgs 152 zones x 5 buildings 760 zones 2014 Carrier Corp 17 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 C THERMAL BLOCKS Definition and Concepts ASHRAE 90 1 Definition Thermal Block A collection of one or more HVAC zones grouped together f
9. e curves for equipment Model air side economizers with integrated control System Design Perform design calculations to size HVAC equipment capacity air flow water flow Software Testing Vendor to test per ASHRAE Standard 140 and make results available 2014 Carrier Corp 12 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 EN Xd SOFTWARE SELECTION Beyond Minimum Compliance Additional Considerations 1 Technical capabilities LEED oriented features for efficiency Ease of use Technical support Training Cost LEED is a registered trademark of the U S Green Building Council 2014 Carrier Corp EN XZ o N DO 0 ot 0O Boa DETERMINE SCOPE FOR ENERGY MODELING Plan Then Execute Method Choose software Determine scope for energy modeling Determine space classifications Determine thermal block strategy Finish modeling plan for Proposed Building Create modeling plan for Baseline Building Survey the competition Execute analysis 13 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 SCOPE OF ENERGY MODEL Basic Principles Scope How much of building is modeled 1 New Construction Model whole building 2 Renovation or Addition to Existing Building Model whole building OR Model only addition or portion being renovated specific requirements SCOPE OF ENERGY MODEL Why Scope Matters Advantages of Reduced Scope F
10. gy included Savings translates into LEED credit points LEED is a registered trademark of the U S Green Building Council C PERFORMANCE RATING METHOD Proposed Building Key Principles Aversion of designed building not the actual building Modifications made to comply with PRM rules Energy cost not necessarily the actual cost for design Example Modifications Required Conditioned spaces must be heated and cooled even when actual is heating only or cooling only HVAC fans run continuously for occupied periods Manually operated shades not modeled 2014 Carrier Corp Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 cs PERFORMANCE RATING METHOD Baseline Building Basics Key Principles Baseline Minimum prescriptive As if building only designed to meet minimum code requirements Prescriptive ASHRAE 90 1 2007 Sections 5 5 6 5 7 5 9 5 9 6 Key Characteristics Same size shape usage floors site as Proposed Walls roofs floors prescriptive performance Fenestration prescriptive performance HVAC SHW prescriptive requirements and min eqpt efficiency Lighting prescriptive lighting power density cs PERFORMANCE RATING METHOD Baseline Building APPT N Baseline 0 Rot Model Baseline 4 Times e Actual orientation Rotated 90 clockwise Rotated 180 clockwise Rotated 270 clockwise Baseline Energy Cost Deter
11. ine space classifications Determine thermal block strategy Finish modeling plan for Proposed Building Create modeling plan for Baseline Building Survey the competition oe oe oe eee E Execute analysis SURVEYING THE COMPETITION Basic Principles Concepts Proposed competes with Baseline Differentiation between Proposed and Baseline Qualifies Proposed as high performance and earns LEED points Survey differences assess potential before assembling the models Outcomes Go Good potential for savings and points exists proceed No Go Poor potential reconsider design or look elsewhere for pts Areas of Focus Envelope Walls Roofs Floors Envelope Fenestration Lighting HVAC SHW LEED is a registered trademark of the U S Green Building Council 2014 Carrier Corp 32 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 E3 SURVEYING THE COMPETITION Example 1 Single story office building 23 000 sqft conditioned floor area Kansas City MO Climate Zone 4A J nF 14 Envelope Roof Built up roof insul above steel deck U 0 047 R 20ci Envelope Fenestration WWR 20 U 0 50 SHGC 0 39 L 1 0 Wisaft HVAC System Single Zone CAV ASHP Electric auxiliary heat 11 1 EER 3 3 COP 16 5 EER 3 4 COP 11 0 EER 3 3 COP SURVEYING THE COMPETITION Example 2 Single story office building 23 000 sqft conditioned floor area Kansas City MO Climate Zone 4A Envelo
12. ints LIES PONES SILVER 40 49 PONTS LEED is a registered trademark of the U S Green Building Council 2014 Carrier Corp 3 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 cs LEED 2009 OVERVIEW LEED 2009 New Construction and Renovation Indoor Energy amp Environmental Atmosphere Quality 35 pts 15 pts 5 Base Categories 8 Prerequisites 32 Credits Materials amp 100 Base Points Resources i 14 pts 6 Innovation Points 4 Regional Points 110 Total Points Water Efficiency L 0 pts ustainable Sites 26 pts LEED is a registered trademark of the U S Green Building Council cs LEED 2009 OVERVIEW EA Credit 6 Green Power 2 pts EA Credit 5 M V 3 pts EA Credit 1 Optimize Energy EA Credit 4 Enhanced Performance 1 19 pts Refrig Mgt 2 pts Pe EA Credit 3 Enhanced SG Commissioning 2 pts EA Credit 2 On Site Renewable Energy 1 7 pts Energy and Atmosphere Categor 3 Prerequisites 6 Credits 35 Credit Points LEED is a registered trademark of the U S Green Building Council 2014 Carrier Corp 4 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 cs LEED 2009 OVERVIEW EA Credit 1 Energy Modeling Approach Earn 1 to 19 pts based on energy cost savings Different scales for New Construction and Renovation Existing Bldg Renovation 8 1pt to 44 19 pts New Constructi
13. key issues Refer to 90 1 Appendix G for full requirements BASELINE BUILDING MODEL 3 Envelope Fenestration Same as ire Jim Ca ree e Sample checklists apply to New Construction scenario only and include key issues Refer to 90 1 Appendix G for full requirements 2014 Carrier Corp 28 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 cs BASELINE BUILDING MODEL 4 Lighting PY eee OTT RTT Proposed Sample checklists apply to New Construction scenario only and include key issues Refer to 90 1 Appendix G for full requirements cs BASELINE BUILDING MODEL 6 HVAC Systems Procedure 1 Determine baseline system type based on proposed building type and size and heating type G3 1 1 2 Apply general system requirements G3 1 2 3 Apply system specific requirements G3 1 3 Sample checklists apply to New Construction scenario only and include key issues Refer to 90 1 Appendix G for full requirements 2014 Carrier Corp 29 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 b BASELINE BUILDING MODEL 6 HVAC Systems System Determination Fossil Fuel Fossil Electric A Hybrid and Purchased Heat Hestis ene Oina Residential System 1 PTAC System 2 PTHP Non Residential 1 to 3 floors AND a System 3 PSZ AC System 4 PSZ HP lt 25 000 ft Non Residential 4 or 5 floors and System 5 Packaged Sys
14. mine each Baseline energy cost Compute average of 4 Baseline costs Use average to determine savings 2014 Carrier Corp 9 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 CN QUESTION 2 For a new construction project if the PRM energy cost savings is 21 2 how many LEED EA Credit 1 points would be earned New Construction Existing Building Major Renovation or Addition Energy Cost LEED EAc1 Energy Cost LEED EAc1 Savings Points Savings Points 12 8 14 10 12 14 Points Earned 5 pts 20 5 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 LEED is a registered trademark of the U S Green Building Council C ANALYSIS APPROACH Just Do lt Plan Then Execute 1 Brute force approach Finesse approach 2 Enter data run calculations Carefully plan and organize review results analysis per PRM rules 3 Figure out analysis as you go Enter data run calculations review results Risks Benefits More Time Entering Data Less Time More Time Running Calcs Less Time More Time Troubleshooting Less Time More Time Optimizing Less Time More Time Documenting Less Time More Time Review Questions Less Time Time 2014 Carrier Corp 9 16 2014 10 Energy Modeling for LEED 2009 Energy and Atm
15. on 12 ipt to 48 19 pts LEED EA Credit 1 Points O N ANONG 8 12 16 20 24 28 32 36 40 44 48 Energy Cost Savings LEED is a registered trademark of the U S Green Building Council C ENERGY MODELING Alternate Terms Energy Modeling Energy Simulation Energy Analysis Energy Estimating Opcost Analysis Definition Classical Energy Modeling Creating a computer model of a building and its systems to predict annual energy consumption 2014 Carrier Corp 5 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 C ENERGY MODELING Original Applications 1960s Present Schematic Design Screening alternatives Detailed Design Selection optimization of design Recent Applications 2000 Present LEED EA Credit 1 Prerequisite 2 ASHRAE 90 1 Energy Cost Budget EPACT 2005 Energy Efficient Commercial Building Tax Deduction Future Applications Beyond 2010 ASHRAE Standard 189 1 2009 ASHRAE EQ Building Labeling Program LEED is a registered trademark of the U S Green Building Council C ENERGY MODELING Key Conditions for High Quality Modeling 1 The Energy Modeling Tool Appropriate robust tool matched to objectives 2 The Energy Modeler Proficient with HVAC engineering fundamentals Chosen energy modeling software Procedure required to achieve objective 2014 Carrier Corp 6 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1
16. or simulation purposes Spaces need not be contiguous to be combined within a single thermal block Concepts Requires engineering judgment Simplifies model without degrading accuracy Key Combine thermally similar zones into a single block Thermally Similar Means Similar load density Similar time dependent behavior C THERMAL BLOCKS Basic Principles Principles for Creating Thermal Blocks Separate thermal blocks should be created for Zones with different building use or space use classifications Ground floor intermediate floors top floor Perimeter and interior areas Zones with glazed exterior walls with orientation differing by gt 45 Corner zones Different or different kinds of HVAC systems 2014 Carrier Corp 18 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 THERMAL BLOCKS Application of Thermal Blocks Conditions Office building example C THERMAL BLOCKS Application of Thermal Blocks Conditions Office building example 2014 Carrier Corp 19 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 C THERMAL BLOCKS Application of Thermal Blocks Conditions 2 Office building example 1 Benefits 27 blocks bldg 27 blocks x 5 bldgs 135 blocks 80 reduction vs 760 zones C THERMAL BLOCKS Rules for Specific Scenarios HVAC Zones Designed 1 Blocks are built from designed
17. ospheres Credit 1 9 16 2014 2014 Carrier Corp EN XZ EN XZ T 2 3 4 5 6 T 8 Se a oS N PLAN THEN EXECUTE APPROACH Plan Then Execute Method Choose software Determine scope for energy modeling Determine space classifications Determine thermal block strategy Finish modeling plan for Proposed Building Create modeling plan for Baseline Building Survey the competition Execute analysis CHOOSE SOFTWARE Plan Then Execute Method Choose software Determine scope for energy modeling Determine space classifications Determine thermal block strategy Finish modeling plan for Proposed Building Create modeling plan for Baseline Building Survey the competition Execute analysis 11 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 SOFTWARE SELECTION PRM Minimum Software Requirements Basic Computer based program Approved by rating authority 8 760 hours per year analysis Model proposed bldg features and or can use exceptional calculation Model baseline bldg features Determine proposed and baseline energy costs or supply energy use Thermal Load Modeling Model hourly variations of internal loads setpoints HVAC operation all days of week Model thermal mass effects Model ten or more thermal zones K SOFTWARE SELECTION PRM Minimum Software Requirements Equipment Modeling Model capacity efficiency corrections curves for equipment Model part load performanc
18. pe Roof Built up roof insul above steel deck Insulation above deck U 0 032 R 30 ci U 0 048 R 20 c i a F 0 690 Unhea sla 0 Envelope Fenestration WWR 20 WWR 20 U 0 40 SHGC 0 29 U 0 55 SHGC 0 40 HVAC System Ground Source Heat Pumps System 4 PSZ HP Gas Boiler Auxiliary Heat Electric auxiliary heat 16 5 EER 3 4 COP 11 0 EER 3 3 COP 2014 Carrier Corp 33 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 2014 Carrier Corp EN XZ EN Xd 1 2 3 4 5 6 T 8 O N o 0 e w Da EXECUTE ANALYSIS Plan Then Execute Method Choose software Determine scope for energy modeling Determine space classifications Determine thermal block strategy Finish modeling plan for Proposed Building Create modeling plan for Baseline Building Survey the competition Execute analysis PLAN THEN EXECUTE METHOD Plan Then Execute Method Choose software revisited Determine scope for energy modeling Determine space classifications Determine thermal block strategy Finish modeling plan for Proposed Building Create modeling plan for Baseline Building Survey the competition Execute analysis 34 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 cs SOFTWARE SELECTION REVISITED Key Conditions for High Quality Modeling 1 The Energy Modeling Tool Appropriate robust tool matched to objectives 2 The Energy Modeler Proficient with
19. t savings are used to calculate LEED Energy and Atmosphere Credit 1 points State the basic principles used to assemble the Baseline Building for a given proposed Design in a LEED Energy and Atmosphere Credit 1 analysis Describe how to evaluate thermal block modeling issues in a building to minimize modeling cost and at the same time preserve accuracy of results LEED is a registered trademark of the U S Green Building Council aS SURVEY LEED and Energy Modeling Does your firm or organization 1 Participate in LEED projects 2 Perform energy modeling 3 Perform energy modeling for LEED projects LEED is a registered trademark of the U S Green Building Council 2014 Carrier Corp 2 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 C AGENDA A Introduction 1 Brief overview of LEED rating system 2 Energy modeling and applications 3 Key conditions for high quality energy modeling B Energy Modeling for LEED EA Credit 1 1 Overview of Performance Rating Method 2 Alternate approaches to LEED EA Credit 1 analysis 3 How an efficient approach works step by step 4 Software productivity features LEED is a registered trademark of the U S Green Building Council C LEED 2009 OVERVIEW LEED Leadership in Energy and Environmental Design US Green Building Council Family of Rating Systems Focus on New Construction and Renovation Rating System 60 79 Po
20. tem 6 Packaged lt 25 000 ft OR gt VAV w Reheat VAV w PFPMBX 1 to 5 floors amp 25 000 ft to 150 000 ft Ran S5 eee gt System 7 VAV System 8 VAV gt 150 000 ft w Reheat w PFPMBX Data applies to New Construction scenario only Refer to 90 1 Appendix G for full requirements 59 Y BASELINE BUILDING MODEL 6 HVAC Systems Baseline Systems jae e ee ee a eT ea E E Bh Reckon vey Electric resistance 1 per floor Hemera VAV AHU Vav AHU wReheat Chilled Water HW fossil fuel boiler 1 per floor 8 VAV AHU w PFPMBX a Chilled Water Electric resistance 1 per floor Data applies to New Construction scenario only Refer to 90 1 Appendix G for full requirements 2014 Carrier Corp 30 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 s BASELINE BUILDING MODEL 6 HVAC Systems General System Requirements Sample checklists apply to New Construction scenario only and include key issues Refer to 90 1 Appendix G for full requirements BASELINE BUILDING MODEL 6 HVAC Systems System Specific Requirements Sample checklists apply to New Construction scenario only and include key issues Refer to 90 1 Appendix G for full requirements 2014 Carrier Corp 31 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 SURVEY THE COMPETITION Plan Then Execute Method Choose software Determine scope for energy modeling Determ
21. zones 2 Corners must be separate HVAC Zones Not Yet Designed 1 Zones Designed 1 Construct hypothetical blocks Corrier Zones Separate 2 Perimeter and interior separate 3 Perimeter 15 ft from exterior wall 4 Corners can be divided Multi Family Residential 1 Blocks built from designed units 2 Zones Mot Designed Corner Zones Divided 2 Corners must be separate 2014 Carrier Corp 20 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 CN QUESTION 4 For the sample building below use thermal block principles to reduce the number of thermal blocks zones modeled Minimum Blocks per Floor Total Blocks for Building 4 Story Office 34 designed zones per floor 136 zones total Floor by floor VAV AHUs C QUESTION 4 CONTINUED Good Answer Minimum Blocks per Floor 12 Total Blocks for Building _3 x 12 36 3 2014 Carrier Corp 21 Energy Modeling for LEED 2009 Energy and Atmospheres Credit 1 9 16 2014 FINISH MODELING PLAN FOR PROPOSED BUILDING Plan Then Execute Method Choose software Determine scope for energy modeling Determine space classifications Determine thermal block strategy Finish modeling plan for Proposed Building Create modeling plan for Baseline Building Survey the competition 1 2 3 4 5 6 T 8 Execute analysis PROPOSED BUILDING MODE

LEED and Energy Modeling

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