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Recommendation for simple equipment purchased online for CO2 and TVOC measurement?

EBOM-v4.1 EQp4: Indoor Environmental Quality Performance
posted by Olga Yuil on Jul 4, 2019, 5:00 pm

Could there be any recommendation of simple equipment purchased online for the measurement of CO2 and...

Last reply: RICCARDO BALLESIO, May 16, 2023, 8:00 am

Recycled Contents

NC-v4.1 MRc3: Sourcing of Raw Materials
posted by Osman Faroq on May 16, 2023, 2:16 am

Hi LEED users,

Our project is targeting at least option 1 of sourcing of...

Last reply: Dave Hubka, May 16, 2023, 7:48 am

Option 2: Priority Designation- local equivalent program

NC-v4 LTc3: High priority site
posted by N. Josef Nassif on May 16, 2023, 5:21 am

Dear Community

I hope you are doing fine.

I have a question regarding the Option 2 in high-Priority site. In LEED V4 it says: 

Locate the project on one of the following (one...

Water metering v4.0 Janitor's closet water usage

CS-v4 WEc4: Water metering
posted by Alicia Ravetto on Aug 1, 2019, 10:50 am

Reviewer wrote: "Provide narrative confirming that the janitor's closet water usage has not been addressed within the metering capacity and that at least 80% of the indoor plumbing fixtures and...

Last reply: Kelli Kimura, May 15, 2023, 5:48 pm

Hybrid approach with Option 1 and 2A

Pilot-Credits WEpc147: All-Gender Restrooms
posted by Kelli Kimura on May 15, 2023, 3:41 pm

Hi all,

We have a project where there will be all-gender restrooms on some floors (Option 1: Build only all-gender facilities), but on other floors, there will be a gendered multi-stall...

Area behind fiberglass enclosure IF WALLBOARD IS INSTALLED

Homes-v4 MRp2: Durability management
posted by Marijana Misic on Oct 27, 2022, 6:25 pm

With fiberglass tub surrounds, the flanges are typically attached to the studs, and moisture-resistant wall finish is overlapped above and sealed. It appears that the LEED prerequisite in...

Last reply: Brett Little, May 14, 2023, 2:20 pm

Project Size Requirements

Homes-v4 MPR3: Must comply with project size requirements
posted by LeeAnn Sendra on Nov 18, 2022, 8:17 am

Paula Melton Editorial Director BuildingGreen, Inc. LEEDuser Moderator 176 thumbs up November 18, 2022- 9:02 am Hi, LeeAnn! I usually discourage cross posting (the duplicates could get out of hand), but in your case I would recommend also posting your question on the LEED Rating System Selection forum because more people are likely to see it there. Good luck! Log in or register to post comments Brett Little Education Manager GreenHome Institute LEEDuser Basic Member 3 thumbs up May 14, 2023- 2:17 pm Did you ever find a rater / provider to help you?  Log in or register to post comments ...

Last reply: Brett Little, May 14, 2023, 2:17 pm

Slab / Floor Insulation, is it mandotary

Homes-v4 EAp1: Minimum Energy Performance
posted by Omar Elrawy on Jan 6, 2023, 4:01 am


For the prerequisite requirement to add R-19 insulation to floor / slab under energystar, is it required on every floor?
Knowing that all floors are airconditioned,


Last reply: Brett Little, May 14, 2023, 2:15 pm

Water Quality- Best System Design

Homes-v4 WEc2: Indoor water use
posted by Stephani Carter on Jan 25, 2023, 7:55 pm

Hi - we have a client who is looking to build an extremely healthy home and is asking for our input on a water system that will foster the best water quality. Their current home has a water...

Last reply: Brett Little, May 14, 2023, 2:11 pm

Ready Mix Concrete

NC-v4 MRc3: Building product disclosure and optimization - sourcing of raw materials
posted by Mu'ath Ad on Mar 16, 2023, 10:39 am

Is there/ what papers/certification is needed to submit by the RMC (Ready Mix Concrete) Supplier regarding LEED?

Last reply: Afogreen Build, May 13, 2023, 3:10 am