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Old 2018-01-01, 06:39 PM
TKG26 TKG26 is offline
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Join Date: Sep 2008
Location: HMB
Posts: 1,862

im not a builder but:
-the garage looks like a air leak possibly. Normally they seal with caulking along the drywall to make is air tight from home (exhaust gas from car needs to stay outside)

For the HRV at a bare minimum the intake duct should be insulated from the exterior to the connection on the hrv and the exhaust should also be insulated heading out to the exterior.. You have -25C air coming into the basement and that condensation is supposed to happen within the heat exchanger of the hrv where the water will collect and drain out the drain.
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