How to accurately model an ERV

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Any advise on modeling an ERV?

I am attempting to recover 4,000 cfm exhaust to partially temper ~20,000 cfm OSA. I have the ERV modeled as an enthalpy wheel. The program is computing approx. 30% gas savings. This seems extremely high given I am only recovering 20% of the air. If I change the exhaust recovery to 20,000 cfm, the results are about the same as recovering 4,000 cfm.

Has anyone had any luck accurately modeling and ERV? Are there certain settings I need to look for in my system?


Nick Schmit

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Joined: 2011-09-30
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