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LEED v5 IEQ - Negative Pressurization

NC-v5 EQc1:Enhanced Air Quality
posted by  Dan Piselli  on 

The LEED v5 Enhanced Air Quality credit omits explicit language from previous versions regarding exhaust rates and negative pressurization in rooms that may contain sources of harmful substances (l

0

AEDG Calculator Needed When Base Building Systems Weren't Modified or Contributing to Savings?

CI-v4 EAc2:Optimize energy performance
posted by  Gera Feigon  on 

I have a small office fit-out project that is pursuing Option 2 (prescriptive) for Optimize Energy Performance.

4
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4461 thumbs up
Thu Jun 11, 2026, 3:45 pm

Whole Project Water Use Reduction

Pilot-Credits WEpc115:Whole Project Water Use Reduction
posted by  Mo Chesh  on 

This is the first time I have implemented this pilot credit/ACP.

0

Credit substitution with v4.1

NC-v4 LTc3:High priority site
posted by  Herman Calleja  on 

Could the 'High Priority Site' credit in LEED v4 be substituted with the LEED v4.1 credit 'High Priority Site and Equitable Development'?

Thank you 

1
President
HJKessler Associates
LEEDuser Basic Member
41 thumbs up
Fri Jun 5, 2026, 5:55 pm

MRpc103 - Integrative Analysis of Building Materials

Pilot-Credits MRpc103:Integrative Analysis of Building Materials
posted by  Mario Kranzl  on 

We were at the begining quite overwhelmed with this one. It seemed like a complicated thing to do, since the analysis went really much deeper than any of the other credit required it to.

6
Wed Jun 3, 2026, 5:39 pm
1
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4461 thumbs up
Mon Jun 1, 2026, 6:26 pm

If this Pilot Credit is pursued as an ID credit under initial ID+C certification, can Green Cleaning also be pursued?

Pilot-Credits INpc137:Cleaning and Disinfecting Your Space for Emerging Pathogens
posted by  Susan Di Giulio  on 

If this Pilot Credit is pursued as an ID credit under initial LEED-ID+C v4 certification, can Green Cleaning (as part of the O+M Starter Kit) also be pursued?

5
Mon Jun 1, 2026, 11:52 am

Testing Protocol and Training Requirements

Pilot-Credits INpc137:Cleaning and Disinfecting Your Space for Emerging Pathogens
posted by  Beth Brownlie  on 

Cleanliness Protocols:  Wondering if there has been any pushback from Operators/Facility staff on these protocols and the training requirements?  

2
Mon Jun 1, 2026, 11:48 am

ISO 16000 testing for low emitting materials

NC-v4 EQc2:Low-emitting materials
posted by  Linh Dang  on 

Our project currently has several materials that have been tested in accordance with ISO 16000-9.

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Entryway system

CI-v4 EQc1:Enhanced indoor air quality strategies
posted by  RAMON CHRISTOPHER MEDRANO  on 

I have a office space project, that will have an entryway system (walk off matt).

6
Thu May 28, 2026, 5:58 pm