How To Install An Air Attic Fan

Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside.

How to install an air attic fan. Use a tape measure to get an accurate. Consider two things for. On average labor costs run between 100 300 and the fan itself may range from as little as 50 to more than 500. Whole house fans work on the principle of removing the hot and humid air out of the house.

Installing an attic fan over a gable vent 1. The whole house fan is installed inside the attic between the living space and ceiling. Installing the shutter if the existing gable vent is smaller than the diameter of the fan you ll need to remove. Whole house fans tend to have higher overall costs than attic ventilation fans.

Do it yourself attic fan installation instructions calculate your eave vent size. Installing an attic fan step 1. How does an attic fan work. If your attic uses soffit vents at the bottom and gable vents at the top for ventilation having a gable vent fan drawing air into the attic would not be the best solution since it would tend to create positive pressure in the attic which could reverse the natural air flow that occurs when heat rises up through the soffit vents and out through the gable vents.

Find a piece of plywood that s at least as wide as the distance between the studs. The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows. Power ventilators come in a number of sizes and are rated by cubic feet of air moved per. Pricing for attic fan installation varies depending on fan type and its location.

In order to facilitate this exchange of warm and cool air the general rule of thumb suggests installing at least 1 sq. You re going to be mounting the. Installing the shutter center the front of the automatic shutter over the vent hole make sure the shutter s. Of vent for every 300 sq.

Before you begin make sure all factory installed bolts are tightened.