Most of these fan units are built with the shroud housing cover made as a part of the entire unit.
Attic fan cover blew off.
You don t have to go into the attic before you install it and it can be easily removed when the time comes.
Last year i tried a round plastic toy sled same size as the old fan cover.
Worked pretty well and was an obvious choice before the family had central ac.
Unfortunately due to being sick i m not supposed to drive and since it was going to rain i just used a tarp and some duct tape today to seal it off so the rain doesn t get in tonight.
If this happens the furnace will empty gas out into the attic.
An attic fan can create enough draft to blow out a pilot light on a furnace.
While it is true that attic fans cost less than air conditioning you need to be able to seal your attic fan off when the weather doesn t call for it.
Generally speaking if the cover blows off the entire unit would need to be replaced.
I m not sure what happened but the cap top of the attic fan on my roof blew off sometime over the winter and my neighbor was kind enough to let me know.
Another thing to remember is to cover the large attic exhaust vent in the off season.
I don t want a new fan i just want some permanent way to cover the hole preferably without lifting shin gles and felt to avoid creating any leaks.
Because most vent covers are.
This 48 x48 attic fan cover is very easy to install.
Covered by the attic fan cover before that cover blew off last year the f an itself broke and was removed years ago.
Securing vents loose vent covers can allow rain to blow into the attic.
With fan off go into the attic.
This would be the job of a roofing contractor although an electrician may be necessary to wire the fan back into the circuit.
You ll need to take out the outer casing of the fan and look to see if the belt is cracked sagging worn out or broken.
At first the fan will alleviate most of the danger by.
Sometimes you face an issue where the attic fan s motor comes on but the fan blades don t move.
Tap the motor a few times with the handle end of a hammer or piece of wood as if you were swatting a bug.
The cause of the problem could be the belt.