Adding Fan To Attic Vent

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.

Adding fan to attic vent.

Whether you choose to employ flow through cooling with a gable vent at each end of the attic or other forms. 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. But before you cut any holes plan the locations of the attic vents. Adding attic vents is a simple matter of cutting holes and installing vents.

If the attic is insulated with fiberglass batts just pull back any that are blocking the flow of air. That said air resistance and interference such as vent grates reduces the area of true ventilation. I added a attic fan 1500cfm onto the gable but i have the airflow coming in from the outside instead of pushing air out. 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. 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. Trim the last vent to length using aviation snips. Adding proper venting to your attic can cause dramatic drops in summer cooling costs.

The remington solar ventilation attic fan is completely the remington solar ventilation attic fan is completely powered by free solar energy. Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them. The soffit vents are now installed but you still need to make sure there s no insulation blocking the new vents. 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.

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. Photos 1 6 show how it s done. A powered exhaust vent is much like a roof mounted exhaust fan.

Step 6 remove any insulation from the new vent photo by merle henkenius. In other words the entire vent opening doesn t count as vented space. It can be controlled by a thermostat or moisture monitor.