Do Attic Gable Fans Work

If the air handler is located in the attic the air intake grille can be mounted in a gable in a doghouse dormer or at the top of a false chimney.

Do attic gable fans work.

Having an attic gable fan helps regulate the moisture levels and temperatures in your attic. Many are solar powered and require no other wiring so they don t cause any additional charges on your electricity bill at all. Damper leakage is minimal at 25 pascals it s about 1 4 of total fan flow. Additionally an improperly ventilated attic can lead to a buildup of moisture which can wreak havoc on drywall insulation and even structural components like joists studs and rafters.

After attic fan installation ac still off during day. The plain and simple answer is yes. Temp 84f at 5pm. Intake vents located at the lowest part of the roof under.

The attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference. Because heat rises it tends to make attics the hottest part of the house. The air intake duct is connected to a damper box containing a large hinged motorized damper blade. How an attic fan works attic fans exhaust hot air from your attic to the outside.

In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house. Cold air is drawn in from outside through the soffit vents or roof. Gable fans fit into the gable vent and can be set to operate only within a preset temperature range. In simple terms it replaces the hot air in the attic with fresh air from outside.

These fans are designed to remove excess heat from your attic which in theory is supposed to lessen the load on the air conditioning in your home. The attic fan kept my house cooler by 8f compared to pre fan installation days. Just relying on your gable vents to cool your attic is a big ask as this will only work optimally when you have a cross breeze blowing towards one side of your roof blowing the hot air out the other side. Temp 92 f at 5pm.

An attic gable fan is one way to help with the circulation of air in the attic. During workdays would leave air conditioner off when leaving in the morning. An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents. This was observed on numerous days following the installation.

For instance when the temperatures outside begin to dip air can leak around ceiling light fixtures exhaust fans and attic access panels. This then brings moisture from the inside of your house into the attic area. An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic.