Quote:
Originally Posted by john70t
For those of us up-north-in-the-freezing-cold, that thing would require placement in a pit which can capped/insulated from above.
Still there would be condensation issues where the warm/humid meets the cold/dry.
Leakage happens = Icicles.
I wouldn't trust those louvers one bit to provide an air-tight insulated seal.
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That's a great point. The fans are usually mounted somewhere near the middle of the house, away from the exterior vents. On the other hand though, does it get really that hot up north?