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Can a project use default leakage rate values or leakage values specified by the manufacturer for equipment rather than actual leakage rate values based on the credit calculations?

Do small appliances (such as refrigerators and water coolers) that have greater than 0.5 pounds of refrigerant have to be included in order to achieve EAc5?

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EBOM-2009 EAc5:Enhanced Refrigerant Management

End of Life MR Leakage rate

The end of life refrigerant loss (MR) has a range of 2%-10%. The reference guide says I can use a lower than the 10% default rate if I can demonstrate how the lower rate is justified. How would I go about trying to justify the use of a lower end of life leakage rate instead of the 10% default when the equipment is only half way through its anticipated life? Currently actual leakage rate over 12 years is 0.38%

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Ben Stanley
Senior Sustainability Manager
WSP - Built Ecology
LEEDuser Expert
188 thumbs up

Wed, 02/06/2013 - 19:44

I haven't seen a project try this but it seems like you would need to provide information from your vendor regarding their procedures to minimize refrigerant leakage at the end of life include recovering and recycling the refrigerant. In addition, you would likely need some sort of evidence that the vendor had achieved the proposed alternative end of life leakage rate for a similar piece of equipment before.

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