Share 'Exhaust Fan Venting - Bathroom, ERV, & HRV'
In another thread (that grew quite unwieldy) the question came up about exhaust venting
Robert Riversong: "the most foolish way to duct an exhaust fan is straight up through the roof"
John Brooks: "It seems to me that in a heating climate (or during the heating season)... It would be desirable to have the "passive NPP" high. This would make the house more "negative" and would reduce (or elimina…
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