How To Install Attic Ventilation Fan

The whole house fan is installed inside the attic between the living space and ceiling.

How to install attic ventilation fan.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Whole house fans tend to have higher overall costs than attic ventilation fans. Pricing for attic fan installation varies depending on fan type and its location. This model draws its energy.

The downside of attic ventilation fans. Intake vents located at the lowest part of the roof under the eaves allow cool. Then cut out the circle with a reciprocating saw and mount the fan over the cutout using a drill. This will indeed help reduce the temperature in the attic but only marginally unless the incoming air from outside is substantially colder not likely in the summer till nightfall you also need to exchange the air quickly.

Attic ventilation fans are also available with humidistats as well as thermostats. Broan surface mount solar powered attic ventilator the broan is an excellent option for anyone looking for an easy install high performance attic fan. You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications. However the utility of attic ventilation fans is actually quite a controversial topic.

In the summer good attic ventilation reduces heat buildup. To install an attic fan over a gable vent in your attic trace the body of the fan onto a piece of plywood that s wide enough to mount on the studs on each side of the vent. It helps to cool your home temperatures and the attic by approximately 30 degrees. That keeps your attic dry and reduces ice dams.

This way you don t have to cut a brand new hole but simply make the hole for the vent larger so it can accommodate the fan. That cuts cooling costs and prolongs shingle life. To save time use an existing roof or gable vent to install your new attic fan. A humidistat equipped fan is a good choice for controlling excess attic humidity during the colder months.

Good ventilation allows the heat and moisture to escape. Good insulation reduces fan effectiveness. The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows. In the winter warm moist air seeps into the attic from the living space below.

On average labor costs run between 100 300 and the fan itself may range from as little as 50 to more than 500.