Battic door whole house attic ceiling fan shutter seal cover fits up to 36 x 48 attic fan shutters.
Attic house fan shutter.
Ideal for use with whole house fans.
When the attic fan is turned on air pressure inside the attic becomes less than the pressure inside the house.
The modern fans that are energy saving have quality shutters that lock themselves when the fan is not operating avoiding the loss of heat when the fan is not working.
Battic door whole house attic ceiling fan shutter cover.
This is another attic fan cover that can effectively insulate your attic fan and reduce heating and cooling costs.
The blades open with airflow and close by gravity when the fan shuts down.
You won t need to access the attic before you can install it all you have to do is velcro it under your attic fan shutters.
Note all blades run parallel to the length dimension.
Please match up the shutter as close as possible to the overall size or rough opening size.
We offer 17 sizes of replacement whole house ceiling fan shutters.
The 5 best whole house attic fan reviews.
The shutter comes standard with a polar white enamel finish and is flush mounted for a clean appearance.
Whole house attic fan replacement shutters.
Each exhaust shutter features durable galvanized steel aluminum or fiberglass frame construction with moisture and corrosion resistant stainless steel fasteners.
This pressure differential causes the grill louvres to open and stay open until the fan is turned off.
The overall size of the shutter includes the mounting flanges.
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