I have a pw vent mounted to my house that doesn't/didn't work. (came
with the house in 84) Just recently I bought a new one and got REALLY
lucky, I only had to replace the motor the housings were the same. Three
They say to set the thermostat at 105 degrees, I have mine set at 110
and the fan kicks on at about 12:30 pm everyday and shuts off at about 6
As we know it's not even summer yet and this thing is already running
5-6 hrs a day.(most days, some days it doesn't even turn on) BUT, I live
in Fl and have a feeling that the closer we get to summer, the more this
thing is going to run.
I've looked at the electric meter outside and it's not really using a
lot of pw. Looks to be about the same as a ceiling fan (about 85 watts?)
I have a thermometer in the attic to monitor this thing and it does keep
my attic at 105 degrees, (on one side of the house anyway, they
recommend using 2 of them with a 2000 sq attic - 6/12 pitch roof.
Well needless to say I'm not going to put in another one. (i don't
My attic is well insulated so whether it is 150 degrees up there or 105
degrees up there, is it really going to make the INSIDE of my house any
I mean the way I look at it, if you have enough insulation in your attic
the heat isn't going to penetrate all the way down to your ceiling
anyway, so whats the point of using these pw vents?
Is it just a waste of pw?
BTW, I have 3 regular 24" long 6" tall vents in my roof also. No ridge
vent or gable vents.