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Interior lighting of Dwelling units

NC-v4 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Nov 5, 2020, 11:41 am


The issue is how to model Dwelling units, having in mind that they are not regulated by ASHRAE 90.1. More specifically it refers to the energy model, which is to be provided at...

Last reply: Marcus Sheffer, Feb 12, 2021, 11:28 am

Weighted average SRI values for option 2 parking under cover

NC-v4 SSc5: Heat Island Reduction
posted by Julio Fernandez Amodia on Aug 26, 2022, 2:43 am


I am currently pursuing this LEED credit for a mall building. Most of the parking area (>75%) is underground, and part of it has a building above and other parts have an outdoor...

Last reply: emily reese moody, Aug 31, 2022, 9:42 pm

View Type 1 with non-continuous window glazing

NC-v4 EQc8: Quality Views
posted by Edgar Arevalo on Jan 8, 2024, 4:53 pm

I have a library that has a reading area with windows surrounding all sides but are separate by the interior wall, which makes the glazing non-continuous.  The wall space between windows are...

Last reply: Edgar Arevalo, Jan 11, 2024, 1:46 pm

Evapotranspiration (ETo) Data Sources

EBOM-v4 WEc1: Outdoor water use reduction
posted by Stephanie Donovan on Mar 7, 2016, 6:12 pm

The resources link for this credit directs us to use the ETo software calculator from the FAO website:

Last reply: Michelle Robinson Schwarting, Nov 14, 2023, 2:46 pm

30% structure and enclosure maximum

CS-v4 MRc2: Building product disclosure and optimization - environmental product declarations
posted by Rebecca Rice on Oct 29, 2015, 7:10 pm

I have a v4 core and shell project whose total materials cost will be roughly $36,000,000. The total cost of interiors will be about $1,000,000. If interiors are such a small % of the total...

Last reply: Paula Melton, Sep 12, 2016, 10:14 am

Option 2- Leadership Extraction Practices

CS-v4 MRc3: Building product disclosure and optimization - sourcing of raw materials
posted by Sara Johansson on Feb 27, 2017, 8:23 am

How can...

Last reply: Bipin Karki, Mar 12, 2020, 8:34 am

Are all listed ISO standards required

CS-v4 MRc2: Building product disclosure and optimization - environmental product declarations
posted by Ward Miller on Sep 27, 2018, 4:00 am

Apologies if this seems super basic, but we have yet to have a LEEDv4 project reviewed and we would appreciate some peer input!

The LEED Reference Guide states, EPDs must, "conform to ISO...

Last reply: Douglas Flandro, Oct 27, 2020, 5:39 pm

Exact Definition of LEED project boundary, Property Line

CS-v4 MPR2: Must use reasonable LEED boundaries
posted by RAMON CHRISTOPHER MEDRANO on Oct 25, 2021, 6:21 am

I have a difficulty in declaring, documenting between the LEED PROJECT BOUNDARY to PROPERTY LINE can you give me the exact definitions of LEED PROJECT...

Last reply: Emily Purcell, Dec 1, 2021, 10:52 am

INpc155- Design for Indoor Air Quality and Infection Control

CS-v4 INc1: Innovation
posted by Sustainability & Commissioning on Apr 25, 2023, 2:10 pm

Hi all, 

The Pilot Credit: Design for...

Last reply: Dina El-Sady, Jan 13, 2024, 1:45 pm


CI-v4 EAc2: Optimize Energy Performance
posted by AMY VAN DAM on Mar 24, 2015, 2:10 pm

Can a project pursue the prescriptive compliance path if there is not a ASHRAE 50% Advanced Energy Design Guide that is specifically applicable to the...

Last reply: Robert Fernandez, Apr 19, 2018, 5:00 pm