Need some ventilation systems advise
#2
If you go with one fan, be sure to put dampers in both ducts, so you can block off the one you aren't using to keep from sucking too much room air outside.

Tom
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Need some ventilation systems advise - by Dr Stan - 05-04-2020, 11:16 AM
RE: Need some ventilation systems advise - by TomG - 05-04-2020, 06:51 PM



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