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#1
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Gable Fan?
Ok, I just had a new roof with a ridge vent installed on my Cape, along with
new siding and perforated soffit vents. There are also gable vents on either end. Because of the configuration of the upstairs hallway, installing a whole house fan will be difficult (and I don't want to put it in one of the bedrooms). Also, I understand that whole house fans do a good job of pulling in HUMID cool air, as well as being noisey. I'm interested in a gable fan - cooling the attic space, and leaving my dry air conditioned air alone on the second floor. Is there any danger of the fan pulling in rain water through the ridge vent? Are they typically a low amp type of deal - meaning could it be wired into an existing outlet near by, or does it need it's own dedicated circuit? Also, somebody said I shouldn't even have gable vents anymore, as there is supposed to be a flow between the soffit and ridge vents - and the gable vent will eliminate that. Should I just have one gable vent with a fan and cap the other one? Thanks -CF |
#2
Posted to misc.consumers.house
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Gable Fan?
Thought this was a discussion on Clark Gable.
The concept on how you move air thru your attic are sort of complicated, I got intot his once before. The system needs to be analyzed as a system, you can't be sure of what the exact impact of a fan would be. Basically with proper ridge vent and soffit vents etc I would not think you'd need a fn to move more air, that's what the passive system does. Whoever did your work could probably help you understand what your options are. Whole house fans are used in the summer (esp in the evening) to pull air from the living area up into the attic, the concept being that the windows below are left open. A cheap way to coll the house in the evening, when the inside temp will be higher than the outside. Not as useful if you prefer a/c but much cheaper to run than a/c and get the temp down,say, 10 degrees by bringing in cooler outside air. |
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