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Exterior doors/windows in v4.1

NC-v4.1 EQc2: Low-emitting materials
posted by Emily Purcell on Jan 5, 2021, 2:36 pm

Hi all,

I'm looking at this past thread on the v4 Low-Emitting credit and how to account for exterior doors: ...

Last reply: Emily Purcell, Apr 21, 2021, 3:43 pm

Model the systems as described in the design documents

CS-2009 EAp2: Minimum Energy Performance
posted by Manuel Martin Delgado on Apr 15, 2021, 10:17 am


We are doing the energy model for a building using the default occupancy for C&S projects (as per client approach), however the systems have been designed and sized for a much...

Last reply: Marcus Sheffer, Apr 21, 2021, 2:19 pm

Zone Discharge and Zone Primary Airflow

NC-v4 EQp1: Minimum indoor air quality performance
posted by Luke Brooman on Apr 21, 2021, 10:58 am

I am looking for clarification on the Zone Discharge Airflow (Vdz) and Zone Primary Airflow (Vpz) values under the multiple zone systems. The spreadsheet note for Vdz states it is the expected...

v4.1 MRc5 option 2 with MRpc87

NC-v4.1 MRc5: Construction and demolition waste management
posted by Kyle Roth on Apr 21, 2021, 11:41 am

Can you use the pilot credit Verified Construction & Demolition Recycling Rates with the v4.1 Construction and Demolition Waste Management credit, option 2?

Mixed proposed CHW sources: DES and on-site CHW

NC-v4 EAp2: Minimum Energy Performance
posted by Cory Duggin on Mar 19, 2021, 6:18 pm

My project is the renovation and addition of a cruise terminal.  There are three chilled water loops serving the building inside the LEED boundary.  Part is an old CHW plant with ice storage that...

Last reply: Tyler Thumma, Apr 21, 2021, 11:39 am

Airflow rates for pressure drop in LEED v4

CS-v4 EAp2: Minimum Energy Performance
posted by Przemysław Rejczak on Mar 19, 2019, 7:07 am

Dear everyone,

For one of our project we received the Review Comment regarding to...

Last reply: Tyler Thumma, Apr 21, 2021, 11:31 am

MRpc109: Building Material Human Hazard & Exposure Assessment- Documentation

Pilot-Credits MRpc109: Building Material Human Hazard & Exposure Assessment
posted by Becky Baumer on May 5, 2020, 2:12 pm

Hello.  I am gathering data to submit for this pilot credit.  What have you found to be the best method to document that there has been a validated Hazard Assessment on the product?  I am...

Last reply: , Apr 21, 2021, 4:47 am

If Schools don't have any of the applicable appliances and water process equipment, can they still go for this credit?

Schools-NC-v4 WEc2: Indoor water use reduction
posted by on Apr 20, 2021, 5:04 pm

For Schools, the LEED v4 Reference Guide states that the project has to meet the percentage reduction requirements AND "install equipment within the project scope that meets the...

Last reply: emily reese moody, Apr 20, 2021, 5:09 pm

LEED and ASHRAE Requirements for an Existing Building Model

NC-2009 EAc1: Optimize Energy Performance
posted by Tom Nichols on May 7, 2011, 8:51 am

We are modeling a new building for EAc1. There is a small existing building attached to this new building. It is less than 9% of the area of the two buildings combined. Part of the interior...

Last reply: Marcus Sheffer, Apr 20, 2021, 4:45 pm

Aluminum Canopy

NC-v4 SSc5: Heat Island Reduction
posted by James Keohane on Apr 20, 2021, 12:24 pm

I am seeking to identify/establish SR value for aluminum canopies.  Canopy manfacturer does not have a clue what I am looking for.  Is there an industry standard SR value for unpainted aluminum...

Last reply: James Keohane, Apr 20, 2021, 3:55 pm