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Ventilation for the building as a whole or by space?

CS-v4 EQc1: Enhanced indoor air quality strategies
posted by Sara Greenwood on May 26, 2020, 4:31 pm

Can you meet the enhanced ventilation performance criteria by providing >30% ventilation for the building as a whole, even if you do not meet this performance for all zones/spaces? If there...

Cultural smudging and ETS prereq

NC-v4 EQp2: Environmental tobacco smoke control
posted by Jason Burtwistle on May 26, 2020, 3:56 pm

Hi all,

I'm working on an academic facility with a multi-faith space within it that will occassionally be used for Indigenous smudging ceremonies (burning of herbs and grasses, including...

SSc5 Offsite Restoration Contract/Performance Period

EBOM-2009 SSc5: Site Development—Protect or Restore Open Habitat
posted by Randi Davis on May 24, 2017, 2:58 pm

The performance period for our project is only 90 days. Does the contract for SSc5 offisite land restoration need to be longer than the performance period (such as a 1 yr contract) or can we...

Last reply: Trista Little, May 26, 2020, 3:54 pm

Enhanced Refrigeration credi

LEED v4.1 Discussion Forum
posted by yen Huynh on May 21, 2020, 11:24 am

Can someone tell me how to fill out a Geothermal system for this credit?

Last reply: Cam Fitzgerald, May 26, 2020, 3:13 pm

ASHRAE 2007 G 3.1.1 Exception B

NC-2009 EAp2: Minimum Energy Performance
posted by Jonathan Burgess on May 23, 2020, 11:29 am

I am working on a retail project with three restaurant spaces. I got a comment below from the LEED reviewer. 

"The General HVAC and Air-Side HVAC tabs indicate that system type 6: Packaged...

Last reply: Cam Fitzgerald, May 26, 2020, 2:50 pm

Shell Retail units and Enhanced IAQ

CS-v4 EQc1: Enhanced indoor air quality strategies
posted by PJ Ryan on May 25, 2020, 8:21 am


I'm working on the LEED C&S certification of a new shopping centre where the majority of retail and restaurant space will be shell or 'grey box' with no HVAC installed.  Only...

Last reply: Cam Fitzgerald, May 26, 2020, 2:34 pm

Outdoor Pool as compliant outdoor space

NC-v4.1 SSc3: Open space
posted by Isabel Santos on May 26, 2020, 11:10 am

Dear All,

We are currently working on a certification of a Residential project under LEED v4.1. and we have the following question regarding Open Space credit:

Can we consider the...

Excluding entrance halls from calculations

Hospitality-NC-v4 EQc7: Daylight
posted by Ricardo Sá on Jul 31, 2019, 4:41 am

Dear All,

we are currently certifying an Hospitality project under LEED v4. Typically, the entrance halls of the living rooms are zones where occupancy is not expected (not...

Last reply: Antti Karppinen, May 26, 2020, 8:37 am

Work surfaces in Residential Units?

NC-v4 EQc6: Interior lighting
posted by Kristen Magnuson on Jan 12, 2018, 8:34 pm


Has anyone successfully attempted option F (work surface LRV) in Lighting Quality for projects with residential units? We'd like to claim kitchen countertops built-in casework as...

Last reply: Hrisa Gatzoulis, May 26, 2020, 8:07 am

Does anyone have a good example or template for a Green Cleaning Policy that meets LEED Version 4.1 requirements

EBOM-v4.1 EQp3: Green Cleaning Policy
posted by Frank Weiss on May 21, 2020, 2:55 pm

Does anyone have a good example or template for a Green Cleaning Policy that meets LEED Version 4.1 requirements.  

Requirements may have changed from teh LEED Version 3 EB and we...

Last reply: emily reese moody, May 26, 2020, 1:27 am