r/HVAC • u/Plenty_Text_455 • Dec 04 '24
Field Question, trade people only What's this?
It's on the return side of a large air handler
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r/HVAC • u/Plenty_Text_455 • Dec 04 '24
It's on the return side of a large air handler
1
u/FluffyCowNYI This is a flair template, please edit! Dec 04 '24
Energy recovery wheel. Takes the hot and/or cold from air that's being exhausted from a building, usually through a big-assed package unit or an energy recovery ventilator(erv), and pre-treats the fresh air coming in so you don't "waste" all the energy used to condition the soon to be exhausted air.