Log in
Forum » U.S. and Canada

Air Change Requirement

Pilot-Credits INpc155: Design for Indoor Air Quality and Infection Control
posted by Nina Szewczak on Jan 4, 2023, 11:34 am

Can anyone comment on the source of the #1.c requirement for five air changes per hour? We've reviewed HVAC-related infection control guidance from the CDC, EPA and ASHRAE, but none appear to...

Last reply: Bruna Kevellyn, Apr 20, 2024, 6:01 pm


Healthcare-v4.1 EQc4: Indoor air quality assessment
posted by Sharon Bessa on Apr 19, 2024, 3:04 pm

Looking for a lab that can do the TO-17 analysis for the CREL target...

Particulate Measurements

Healthcare-v4.1 EQc4: Indoor air quality assessment
posted by Sharon Bessa on Apr 19, 2024, 3:01 pm

The change in particulate monitoring appears to require particle counts now, with a cleanroom class rating of 8 or lower with the gravimetric particulate concentrations at 2.5 and 10 microns no...

Innovation- Green Building Education

CS-v4 INc1: Innovation
posted by Luis Fretes on Apr 24, 2018, 2:28 pm

I have a couple of questions regarding the Green Building Education credit:

1) Can the Green Cleaning Policy be uploaded as it's own seperate Innovation Credit?

2) One of the...

Last reply: Adrienne Franz, Apr 18, 2024, 4:04 pm

Outdoor air in the Baseline Model

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Apr 17, 2024, 3:06 pm

Hi , I am working on a lab space with 100% OA , for these spaces Cooling load is driving airflow, now the OA that we calculated for Proposed case is not sufficient to maintain the setpoint in the...

Last reply: Rajat Wadhwa, Apr 18, 2024, 12:22 pm

RECs in EBOM 4.1

EBOM-v4.1 EAp3: Energy Performance
posted by Christian Garcia on Apr 18, 2024, 10:50 am

I came across an old video where it is explained this version doesn't take into account the purchase of RECs but it is considered for the future. This video is from 5 years ago. Does anyone know...

Does a "Hot Zone" in a Fire Station need individual door closers?

NC-v4 EQc1: Enhanced indoor air quality strategies
posted by Adrienne Franz on Apr 18, 2024, 10:09 am

Our Project is a Fire Station that has an area defined as a "hot zone" which includes the apparatus...

REACH and Global Green Tag certification count for the Optimization

NC-v4.1 MRc4: Material Ingredients
posted by Summer Gorder on Apr 17, 2024, 6:41 pm

Can REACH and Global Green Tag certifications count for the Optimization even if they aren't international projects?

Last reply: Dave Hubka, Apr 18, 2024, 8:29 am

Process Water and Arc

EBOM-v4.1 WEc1: Water Performance
posted by Jenni Betancourt on Apr 17, 2024, 10:00 am

I've been trying to communicate with Arc with no luch. We have Arc Essentials which supossedly could help us determining our potential score. Our building is industrial manufacturing, therefore...

Last reply: Reshadee Weerasooriya, Apr 18, 2024, 2:31 am

Would a fire sprinkler system count as "other process water"

NC-v4 WEc4: Water metering
posted by Cindy Quinn on Apr 16, 2024, 9:08 pm

Has anyone had success with a fire sprinkler system being one of the subsystems?  Would it count as "other process water"?


Last reply: Andrey Kuznetsov, Apr 17, 2024, 2:46 am