Re:Pfizer is testing a pill that, if successful, could cure ...
by pfdietz on Monday April 26, 2021 @10:48PM
(#26951367)
Counterflow air-to-air heat exchangers mitigate much of that cost.
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Re:Pfizer is testing a pill that, if successful, could cure ...
by quercusa on Monday April 26, 2021 @11:00PM
(#26951464)
I knew about residential ones but it looks like there are commercial ERVs as well:
https://www.york.com/commercial-equipment/air-systems/energy...