Whole House Fan Installation Plan
Whole house fans are different from general floor fans and require a fan net cover. And installing a whole-house fan is tricky and should be done by a professional. An experienced professional should measure your attic and install your dedicated circuit wiring, and you should also install new attic vents if needed.
It is often necessary to increase attic ventilation to get the fan's air out of the room. For a fan capacity of 750 cubic feet per minute, you need 2 to 4 times the normal area of an attic vent or about 1 square foot of net-free area. The net-free area of the vents takes into account the resistance provided by the blinds and insect screens. A larger ventilation area is better for optimal whole-house fan performance.
If your fan doesn't have a sealed winter cover, you should buy or build one. If you're using a whole-house fan to switch between air conditioning and cooling during summer when the weather changes, build a sealed hinged door for the fan opening to easily open and close when switching cooling methods.
Be careful when operating these large exhaust fans. Open windows throughout the house to prevent strong, concentrated suction in one location. If not providing adequate ventilation, fans can cause backflow in your furnace, water heater, or gas dryer, pulling combustion products like carbon monoxide into your living space.
Zhejiang Hanjun Metal Products Co., Ltd. is a stainless steel grill factory that manufactures and wholesale wire baskets, and stainless steel compression fittings.
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