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BREAKING NEWS: Huge Change who the CxA can be in EAc1!

NC-v4.1 EAc1: Enhanced Commissioning
posted by Scott Bowman on Apr 25, 2021, 12:12 pm

Thank you LEEDuser for flagging this huge change to v4.1. In the latest addenda, there has been a change to the requirement for who the...

Last reply: Mark Benson, Sep 27, 2022, 9:25 am

Minimum Energy Performance Calculator

CS-v4 EAp2: Minimum Energy Performance
posted by Lucy Townsend on Sep 27, 2022, 4:02 am


Has anyone had any issues filling out the minimum energy performance calculator? We have followed ASHRAE guidance for modelling but some of the inputs don't align with what is in the...

Is the LCA a design or construction credit for LEED?

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Camilo Velez on Sep 17, 2022, 11:48 am

Hello all,

We have done several LCA for LEED, and we submitted them with the construction review since that is how it's defined in the LEED guideline, however, on LEED online it appears as...

Last reply: Martin Maribo, Sep 27, 2022, 3:03 am

Selection of baseline system type for industrial object- Number of floors Vs area

NC-v4 EAp2: Minimum Energy Performance
posted by Anna Korinkova on Sep 23, 2022, 8:37 am

Hello everyone,

I would like to ask for your views on the selection of baseline system type for industrial objects. As a specific example, we have a production hall with 32,000m2, 11m tall...

Last reply: Marcus Sheffer, Sep 26, 2022, 3:56 pm

monoculture farmland has no biodiversity

NC-v4 SSc2: Site development - protect or restore habitat
posted by Martha Norbeck on Jun 27, 2017, 3:43 pm

Monoculture cropland is not green space. Biodiversity is actively squashed.

The intent of this credit is to: "to conserve existing natural areas and restore damaged areas to provide...

Last reply: Maureen Drullard, Sep 26, 2022, 3:30 pm

Seasonal sun angles

Hospitality-NC-v4 SSc1: Site assessment
posted by Filippo Weber on Sep 20, 2022, 12:35 pm

I would like to ask for a maybe trivial clarification, 

What does "Seasonal sun angles (North, South, East, West)" stand for?  Does It mean altitude degrees? 
I do not understand the...

Last reply: Filippo Weber, Sep 26, 2022, 4:08 am

Data center outside air requirement

NC-2009 IEQp1: Minimum indoor air quality performance
posted by HOUCINE TLEMSANI on Apr 10, 2014, 10:15 am

I am working on a data center and not sure about ASHRAE 62.1-2007 outside air requirement. Table 6.1 list 2 types: Computer lab at 10 CFM/ person and 0.12 CFM/Sqf and Computer no printing at 0.06...

Last reply: Dionisio Franca, Sep 26, 2022, 1:54 am

plastic laminate?

NC-v4.1 EQc2: Low-emitting materials
posted by Erin Holdenried on Jan 4, 2022, 1:53 pm

Randi B. LEEDuser Basic Member September 24, 2022- 1:17 pm Related discussion can be found here:  https://leeduser.buildinggreen.com/forum/high-pressure-laminate-category... Log in or register to post comments ...

Last reply: Randi B., Sep 24, 2022, 1:17 pm

Defining Glazed Corners

Pilot-Credits SSpc55: Bird collision deterrence
posted by Heather DeGrella on Jun 17, 2015, 2:17 pm

Credit requirement "All glazed corners or fly-through conditions must have a Threat Factor less than or equal to 25." There is no guidance on how far to extend the pattern, horizontally, from the...

Last reply: Stefan Knust, Sep 23, 2022, 11:34 am

Commercial refrigeration systems but not a store

EBOM-v4.1 EAc1: Enhanced Refrigerant Management
posted by Summer Minchew on Jun 3, 2022, 11:37 am

I have an O+M project considering Option 2. The reference guide states that Retail projects must meet Option 1 or 2 for all HVAC systems and stores with commercial refrigeration systems must...

Last reply: Eugenijus Sapel, Sep 23, 2022, 6:21 am