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How to scrutiny the local testing agency's report for LEED Low emitting materials?

Retail-CI-v4.1 EQc2: Low emitting materials
posted by Sagar Siripuram on Aug 26, 2022, 12:30 am

Hello, I've been having this doubt for many days, Just wanted clarity on this query. 

I'm working on a few projects LEED ID+C Retail projects where the...

Last reply: Deborah Lucking, Sep 9, 2022, 6:29 pm

Could the APX TIGR Certification be considered as equivalent to Green-e Certification for RECs?

CI-v4.1 EAc4: Renewable energy
posted by Wanhong Lyu on Aug 3, 2022, 4:57 am


everybody, I'm working on a LEED CI project in China, and consider to purchase the RECs for "Tier 3: Off-site...

Last reply: Marcus Sheffer, Aug 8, 2022, 10:30 am

Can warehousing ramp lighting for transportation exempt from Light Pollution Reduction

CS-v4 SSc6: Light Pollution Reduction
posted by yingling guan on Jul 6, 2020, 4:13 am

There is a warehouse building project, with outdoor transport ramp beside buildings.  Many exterior lighting designed on the ramp for directional and marker lighting for transportation, are they...

Last reply: yingling guan, Jun 7, 2022, 11:02 pm

Green Cleaning- Equipment- Vacuum Cleaner

EBOM-v4 EQc8: Green cleaning - equipment
posted by DINGTIAN OU on May 4, 2022, 6:43 am

Do all vacuum cleaners certified by the Carpet and Rug Institute Seal of Approval (...

Disinfectants with EPA Registration No. and on List N: Disinfectants for Coronavirus (COVID-19)

EBOM-v4 EQc7: Green cleaning - products and materials
posted by DINGTIAN OU on Apr 27, 2022, 5:32 am

Few green disinfectants (e.g. Green Seel, UL or EPA Safer Choice Standard certified) are available in Hong Kong market.

Our clients proposed two commonly used disinfectants:

  1. ...

Last reply: Stephen Ashkin, May 2, 2022, 3:20 pm

Indoor air quality test methods for PM2.5 and PM10

NC-2009 IEQc3.2: Construction IAQ management plan - before occupancy
posted by Tyler Zhu on Feb 11, 2015, 10:20 pm

Tristan Roberts Storyteller Quill Nook Farm LEEDuser Expert 11465 thumbs up March 19, 2015- 6:51 pm Dale or Ian or any other experts on this forum, can you help with this question? I don't know, Tyler—been asking around. Log in or register to post comments Dale Walsh LEEDuser Basic Member 29 thumbs up March 20, 2015- 12:19 am I submitted an answer to this a month or so ago but for some reason it wasn’t posted. Anyhow, the LEED 2009 Reference Guide (pg. 466) says “but others may be used [provided] valid justification is provided” when it discussed the Compendium methods (published...

Last reply: Dale Walsh, Apr 30, 2022, 4:01 pm

Freight elevator schedule

Warehouses-NC-v4 EAp2: Minimum Energy Performance
posted by James Cai on Apr 19, 2022, 4:10 am


We have a warehouse project with small area of office. We just modeled elevator loads using the scheduel from ASHRAE 90.1-2010 User's Manual, which is only 3.5 hours per week. Then...

Last reply: Marcus Sheffer, Apr 19, 2022, 12:29 pm


CI-v4 EAc2: Optimize Energy Performance
posted by Zixuan Yuan on Feb 8, 2022, 4:18 am

Excuse me, in the supply airflow rate part, it is required that the airflow should be approximately 1 cfm/square feet for the office buildings. Would you please tell us how it is calculated please...

Last reply: Tyler Thumma, Feb 17, 2022, 10:45 am

A question about high-rise building material waste disposial

NC-v4 MRp1: Storage and Collection of Recyclables
posted by Jianzhushe Lili's on Sep 7, 2017, 12:41 am

Dear all:

Our project has company-wide recycling programs set up which collect...

Last reply: emily reese moody, Dec 21, 2021, 6:38 pm

ASHRAE 90.1-2010 Table 6.8.1c

NC-v4 EAp2: Minimum Energy Performance
posted by study topenergy on Dec 20, 2021, 5:05 am


There are two Paths in ASHRAE 90.1-2010 Table 6.8.1c water chilling packages -Efficiency Requirement, just would like to know what is the different between path A and path B?


Last reply: Afogreen Build, Dec 21, 2021, 7:21 am