Currently, I have gable-end vents.
If I get soffit vents (part of a siding job), and a ridge vent (part of a future
roofing job, hopefully far future), will I be able to use the whole houes fan?
Will the soffit vent - ridge vent setup work wiht the gable-end vents in place?
A little more on the subject. Now I still only have 6 inches of
fiberglass, plus whatever cellulose was there when the previous owner
bought the house new. And it has occurred to me that if I had 16" of
fiberglass, maybe the second floor would not have gotten so hot before
the roof fan was in place. (Although if it is 140 in the attic, and
70 in the house, I think even with 16 inches of insulation, some heat
will get in, through the trap door or along edges, and straight
through the 16 inches.
But even then, the attic would be 140 and as they said, ruining the
shingles and maybe the decking of the roof. Plus I'm able to go up in
the attic for much of the summer much of the day. Maybe not the
hottest days at 1 to 3PM but
So regardless of theoretical considerations of sucking air in through
the ridge vent to the fan, or not evenly from the soffitts, the fact
remains that the attic was much cooler, 30 or 40 degrees, and the 2nd
floor of my house was much cooler, 10 degrees or more. I wish I had
measured, maybe it was 20.
Even if the major air currents arent even in the attic, the temps even
themselves out. You won't have an 90 degree breeze and a 130 degree
hot spot right next to it. Bernouillis principle, and convection, and
diffusion, and the temp of the attic is probably within 10 degrees
I'm going to use the incense stick next summer, but even if I change
nothing, I have a comfortable second floor. And remember that I only
use the AC maybe 2 to 3 weeks during the summer, even in Baltimore. I
like my windows open.
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