Log in
Forum » Navigating LEED Online

Warehouse renovation: insulation required per ASHRAE 90.1-2010?

NC-v4 EAp2: Minimum Energy Performance
posted by Alessandro Zuanon on Jan 28, 2021, 5:11 am

Dear all,

the project regards an existing warehouse renovation in Italy. The renovation includes installation of radiant panels for heating and cooling. So the warehouse becomes a...

Surface Reflectivity calculations for walls with glazing

NC-v4.1 EQc6: Interior lighting
posted by Ricardo Sá on Jan 28, 2021, 4:50 am

Dear All,

According to LEED credit library, For at least 90% of regularly occupied spaces, use interior finishes with a surface reflectance greater or equal to 80% for ceilings...

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