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1

CFM: Cubic Feet per Minute. It is the same unit for both. Note that computer fans are not rated or listed for such use or permanent installation and might not like getting wet. I don't doubt that such a setup would work but I would test it first with some power adapters (12VDC, common for 120mm fans) before looking at solar panels. As the exact power ...


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Longneck is right on the rigid venting. This is a must going straight up like this. Also for the issues that you have had it is common sense to put a vent booster on the line. I think the rigid vent will certainly help but if you had that many problems then I would assume that gravity is getting the best of your situation. If you just replace with ...


4

If possible, you want everything rigid: the connection from the dryer to the wall, the duct in the wall, and the duct in the attic. Sometimes rigid for the connection between the dryer and the wall is difficult to get right with a rigid duct so if you have to go with flexible duct then use the smallest piece practical. A secondary lint trap is probably not ...


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Typically this type of structure is properly vented already as you described it. The pitched part of the roof is typically insulated tight with a 1" sheet of foam at the roof then friction fit unfaced. Then a plastic vapor barrier then drywall. Sounds like you're doing a roof so you might consider a foam roof substrate over the pitched rafters. Your existing ...


2

Yes. I was building a new home in Baytown Texas (completed in 2006) and searched far and wide for thermostat controlled dampers - was told by many HVAC companies that "they" remove them weekly - this isn't true. I found one installer in Houston that would do the system the way I suggested - he listened and so did I. We compromised on 2 units with 3 ...



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