Apr 23, 2018, 17:09 PM

What is the cross-leakage rate for an energy recovery wheel?

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Typical EATR (exhaust air transfer ratio) will be anywhere from 3-5%. AHRI certificates list this information and can be found on the AHRI Certified Product Directory or printed within your CAPS® submittal. Per ASHRAE 62.1, class 3 air (ex. restroom) will allow an EATR of up to 5%, which allows for the usage of an energy recovery wheel.

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