No CFC at all?

Marine Petrosyan

Project Manager

Energy Systems LLC

LEEDuser Basic Member

0 thumbs up

August 5, 2024

Hi, all!

According to "Fundamental Refrigerant Management" prerequisite, there should be no CFC at all in New Construction (NC BD+C) Project. The engineers in our team say, that according to ASHRAE there is a certain level of CFC, that can be used.

Can you please share your experience? I am convinced that CFC should be excluded, as it is clearly stated in the Prerequisite requirements, but would like to clarify with experienced APs.

Thank you in advance.

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Dave Hubka

Practice Leader - Sustainability

EUA

LEEDuser Expert

510 thumbs up

Mon, 08/05/2024 - 17:55

the prerequisite does not address equipment with less than 0.5 lbs (225 grams) of refrigerant - per the language of the prerequisite. although i am unaware of a building cooling systems that contain less than 0.5 lbs of refrigerant. It has been my experience that CFC refrigerants have been banned for quite some time (maybe 30+ years??). odd that this would be an issue/concern for LEED or non-LEED.

Marine Petrosyan

Project Manager

Energy Systems LLC

LEEDuser Basic Member

0 thumbs up

Tue, 08/06/2024 - 09:09

Thank you for your reply! Currently almost all newly installed equipment are CFC-free. However there is a prerequisite, and it needs to be properly documented. Our intention is to secure ourselves from any small risks that the Refrigerant management plan or any other related documentation wording can cause.

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