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Old 06-02-10, 01:02 AM   #26
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Hello 1blueox.
What kind of foil are you planning on using? I'm afraid that typical kitchen-grade aluminum foil is to flimsy and may not be able to handle the pressure differences between the channels it's separating. Aluminum that's slightly thicker than the kitchen stuff should be OK, you may also look around for thin copper foil, which is also a good heat conductor.

As for condensation, you'll get it anywhere that there is a temperature difference and at least some moisture in the air. The incoming air may have more moisture in the morning or during rain, the outgoing air will be carrying moisture from the house (showers, cooking, breathing). You'll have to make a small drain for both channels.
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