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Modeling Evaporative cooling systems (ambiator)

NC-2009 EAp2:Minimum Energy Performance
posted by  Visu Boj  on 

Hi all, Iam modelling ambiator for a factory building in India. My baseline system is Packaged VAV.

7
Thu Mar 12, 2026, 4:38 am
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V4.1 ID+C Is it acceptable to use ASHRAE 90.1 - 2022 manual to adhere to the compliance pathways under ASHRAE 90.1-2016?

CI-v4.1 EAp2:Minimum Energy Performance
posted by  Finlay Keyte  on 

Hi all,

1
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4461 thumbs up
Wed Mar 11, 2026, 9:03 pm
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G3.1.1 exception d exhaust hood airflow baseline

NC-v4 EAp2:Minimum energy performance
posted by  Junaid Mujahid  on 

Hi All,

3
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4461 thumbs up
Wed Mar 11, 2026, 2:36 pm

LEED Group project - Lighting Boundary

NC-v4 SSc6:Light pollution reduction
posted by  Edgar Arevalo  on 

I have a LEED Group project where I am pursuing the Light Pollution Reduction credit.  I have a concern regarding the lighting project boundary for a LEED Group site.

8
Mon Mar 9, 2026, 10:10 pm
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LEED v4 ID+C – Baseline Envelope Clarification (ASHRAE 90.1-2010)

CI-v4 EAp2:Minimum energy performance
posted by  Sen Abraham  on 

Hello,

We are working on a LEED v4 ID+C office fit-out project with no envelope modifications — the envelope is entirely outside our scope of work.

1
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4461 thumbs up
Mon Mar 9, 2026, 8:43 pm
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What are regulated and unregulated loads as per LEED

CS-v4.1 EAp2:Minimum Energy Performance
posted by  Nikunj Verma  on 

Hi All,

1
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4461 thumbs up
Mon Mar 9, 2026, 8:31 pm
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Baseline heating source where no fossil fuel is provided to building

NC-v4 EAp2:Minimum energy performance
posted by  Kevin Gilleran  on 

Hi,

2
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Kevin Gilleran
president
Gilleran Energy Management, Inc.
LEEDuser Premium Member
18 thumbs up
Mon Mar 9, 2026, 5:51 pm
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Soil Testing

NC-v4.1 SSc2:Protect or Restore Habitat
posted by  Max Krueger  on 

On page 49 of the LEEDv4.1 guide it states that soil testing is only needed on imported soils. Under Step-by-Step guidance, it states "Soil tests are only required for imported soils".

8
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Katrina Kashinejad
Consultant
Sustainable Design Consulting
LEEDuser Premium Member
0 thumbs up
Mon Mar 9, 2026, 5:44 pm
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Integrative Analysis of Building Materials

Pilot-Credits MRpc103:Integrative Analysis of Building Materials
posted by     on 

The project team is pursuing this pilot credit after achieving BPDO EPD and HPD credits.

12
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Heather Bray
Sustainability Consultant
Mead & Hunt
LEEDuser Premium Member
0 thumbs up
Mon Mar 9, 2026, 1:30 pm

Surface Reflectance Furnishings scope

CI-v4 EQc6:Interior lighting
posted by  Mariana del Valle  on 

Hi,

2
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Grace Friedhoff
Sustainability Consultant | Senior Project Manager
Re:Vision Architecture
LEEDuser Premium Member
10 thumbs up
Fri Mar 6, 2026, 8:12 pm