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Clarification on Design Supply Air Temperature for Baseline model with both heating and cooling

NC-v4 EAc2:Optimize energy performance
posted by  Anurag Ghosh  on 

Hello Everyone, 

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MEPC and Timing

NC-v4 EAc2:Optimize energy performance
posted by  Sadie Hoechner  on 

Hi All, 

1
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Mon Dec 1, 2025, 10:40 pm

ASHRAE 90.1.2010 and receptacle loads

NC-v4 EAc2:Optimize energy performance
posted by  Konstantina Kalliakoudi  on 

Hello to all,

I have following questions concerning  ASHRAE 90.1.2010 and receptacle loads:

4
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Mon Sep 1, 2025, 2:55 pm
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PPA of PV on building roof with partial RECs

NC-v4 EAc2:Optimize energy performance
posted by  Salomee Hinque  on 

Hi all, 

Solar panels will be installed on the roof of the building to be certified though a Power Purchase Agreement.

1
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Tue Jul 22, 2025, 3:23 pm

Clarification on Modeling Solar Hot Water Systems in ASHRAE 90.1-2010 Baseline

NC-v4 EAc2:Optimize energy performance
posted by  Anurag Ghosh  on 

For a LEED energy model following ASHRAE 90.1-2010 Appendix G, we're modeling a domestic solar hot water system with:

  • 3 flat plate collectors

6
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Anurag Ghosh
Assistant Sustainability Manager
L&T Construction
LEEDuser Basic Member
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Wed Jul 9, 2025, 2:18 pm

Clarification on ASHRAE 90.1-2010 Scope for External Equipment

NC-v4 EAc2:Optimize energy performance
posted by  Anurag Ghosh  on 

Hi everyone,

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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Wed Jun 25, 2025, 1:05 am

Renewable Energy Credit Interaction with updated Mininum and Optimize Energy Performance

NC-v4 EAc2:Optimize energy performance
posted by  Camilo Velez  on 

Hi all,

1
Thu Jul 3, 2025, 7:32 pm

Modelling energy savings for interior equipment especially lifts/elevators

NC-v4 EAc2:Optimize energy performance
posted by  Anurag Ghosh  on 

Hi everyone,

3
Mon May 12, 2025, 9:25 pm

Clarification on GHG Emission Factors Source and Methodology for LEED GHG Emissions Savings

NC-v4 EAc2:Optimize energy performance
posted by  Anurag Ghosh  on 

Hello all,

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Green-e energy certificate accounted for in EA credit - v4 x v4.1

NC-v4 EAc2:Optimize energy performance
posted by  A&L SUSTENTABILIDADE   on 

Our project is registered under the LEED v4, but we have substituted the EAc5 and EAc7 with the EA credit Renewable Energy from LEED v4.1, we intend to use the Tier 2 and purchase Green-e Energy ce

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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Tue Apr 1, 2025, 8:24 am