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Baseline System type and size

CI-v4 EAp2: Minimum Energy Performance
posted by Tzung-Han Ho on Apr 30, 2020, 6:16 am

Hi all,

I got a review comment as following:
"It appears that the Baseline Case water side equipment (i.e. Chillers, etc.) was selected/sized based on the project LEED CI peak...

Last reply: Marcus Sheffer, Jan 27, 2021, 2:39 pm

Radon Requirements for LEEDv4 Residential Units

NC-v4 EQp1: Minimum indoor air quality performance
posted by Jessica Malta on Jan 27, 2021, 11:21 am


We are working on a high-rise MURB project and trying to meet the radon requirements outlined in the reference guide. The reference guide has listed 5 different standards (EPA Building...


NC-v4.1 EQc2: Low-emitting materials
posted by Neil Rosen on Sep 4, 2020, 12:18 pm

How does one go about documenting a skylight under the Low-Emitting Materials credit in V4.1?  The glass portion, the overwelming majority of the...

Last reply: Laurie Winter, Jan 27, 2021, 11:32 am

Excluded area

ND-Plan-v4 SLLc1: Preferred locations
posted by Blanca de la Fuente on Jan 27, 2021, 7:53 am

Hello, I've a doubt regarding the excluded area to calculate the land area within the 800m-boundary, in the guide it is written:

"When determining area, include street rights-of-way....

Preserve 40% of greenfield area verification

NC-v4.1 SSc2: Protect or Restore Habitat
posted by Louise Schlatter on Sep 15, 2019, 6:38 pm

Hi everyone

I am struggling with the language of this credit.  In particular the word "OR" in the credit title.  We have achieved this credit on other projects.  The language has changed...

Last reply: Zeynep Cakir, Jan 27, 2021, 2:34 am

Daylight monthly measurement

CS-v4 EQc4: Daylight
posted by Vassil Vassilev on Jan 27, 2021, 2:27 am


There is a question related to Option 3 of EQc4 – Daylight.

It has been mentioned (page 725), quoting: “Take one measurement in any regularly occupied month…”.


Water-resistant flooring

Homes-v4 MRp2: Durability management
posted by Alec Luong on Jul 26, 2020, 12:06 am

The credit states to "use water resistant flooring; do not use carpet." Is there a specific list of what LEED considers to be water resistant flooring? Or does the credit simply mean not to use...

Last reply: Tabenteh Tabenteh Tabe, Jan 27, 2021, 1:24 am

LEED boundary_Non-certified buildings

NC-v4 MPR2: Must use reasonable LEED boundaries
posted by chila chila on Jan 19, 2021, 9:46 am

Hi everyone,

The project area has two main buildings: a new construction building (office) and a renovation of an existing building (gym),  that is not planned for LEED certification. Just...

Last reply: John Reesnk, Jan 26, 2021, 11:49 pm

EQpc123- Designing with Nature, Biophilic Design for the Indoor Environment

Pilot-Credits EQpc123: Designing with Nature, Biophilic Design for the Indoor Environment
posted by Faye Moon on Jan 26, 2021, 4:01 pm

I like how this pilot credit aligns with multiple concepts in WELL. We are pursuing LEEDv4 along with WELLv2 for our project and I was able to use the similar information for this pilot as I did...

Different stratification in Proposed and Baseline

NC-v4 EAp2: Minimum Energy Performance
posted by Przemysław Rejczak on Jan 26, 2021, 12:34 pm

Dear Everyone,

I have a question regarding to 12 m tall warehouse modeling tehnique.

Such building will have a huge temperature gradient which is crucial for the energy efficiency...

Last reply: Marcus Sheffer, Jan 26, 2021, 1:39 pm