Adding Fan To Attic Vent

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.

Adding fan to attic vent.

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. In other words the entire vent opening doesn t count as vented space. 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. I have ranch house that has ridge vent soffit vents and two gables.

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. Cool air enters the attic through soffit vents in the eaves. A powered exhaust vent is much like a roof mounted exhaust fan. Most homes already have some passive attic venting built in.

Trim the last vent to length using aviation snips. Adding proper venting to your attic can cause dramatic drops in summer cooling costs. Step 6 remove any insulation from the new vent photo by merle henkenius. Photos 1 6 show how it s done.

But before you cut any holes plan the locations of the attic vents. I added a attic fan 1500cfm onto the gable but i have the airflow coming in from the outside instead of pushing air out. Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them. That said air resistance and interference such as vent grates reduces the area of true ventilation.

Adding attic vents is a simple matter of cutting holes and installing vents. 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. It can be controlled by a thermostat or moisture monitor. 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. If the attic is insulated with fiberglass batts just pull back any that are blocking the flow of air. 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.