Adding Fan To Attic Vent

This american designed fan is designed to reduce attic temperatures and remove destructive moisture thus making your home more comfortable and reducing the load on your hvac system and lowering your.

Adding fan to attic vent.

Adding attic vents is a simple matter of cutting holes and installing vents. Once inside the air heats up and rises higher ultimately exiting through venting at the roof s gables through ridge vents cut into the roof s apex or other vent holes in the roof. Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them. Blades spin within the unit to expel air from the attic until the right temperature or moisture level is reached at which point it will automatically shut off.

Trim the last vent to length using aviation snips. Attic fan ventilation attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside. Photos 1 6 show how it s done. Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation.

I ve read that adding a vent fan to the gable with ridge vent is bad b c it may reverse the natural flow of hot air plus draw in rain. If the attic is insulated with fiberglass batts just pull back any that are blocking the flow of air. One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home. The remington solar ventilation attic fan is completely the remington solar ventilation attic fan is completely powered by free solar energy.

In other words the entire vent opening doesn t count as vented space. Cool air enters the attic through soffit vents in the eaves. That said air resistance and interference such as vent grates reduces the area of true ventilation. I have ranch house that has ridge vent soffit vents and two gables.

But before you cut any holes plan the locations of the attic vents. Most homes already have some passive attic venting built in. It can be controlled by a thermostat or moisture monitor. Step 6 remove any insulation from the new vent photo by merle henkenius.

A powered exhaust vent is much like a roof mounted exhaust fan. However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic. The soffit vents are now installed but you still need to make sure there s no insulation blocking the new vents.