How To Install Attic Ventilation Fan
That keeps your attic dry and reduces ice dams.
How to install attic ventilation fan. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. 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. Whole house fans work on the principle of removing the hot and humid air out of the house. 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.
However the utility of attic ventilation fans is actually quite a controversial topic. Whole house fans tend to have higher overall costs than attic ventilation fans. In the winter warm moist air seeps into the attic from the living space below. Good ventilation allows the heat and moisture to escape.
To save time use an existing roof or gable vent to install your new attic fan. Intake vents located at the lowest part of the roof under the eaves allow cool. You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications. Attic ventilation fans are also available with humidistats as well as thermostats.
The downside of attic ventilation fans. Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool. Pricing for attic fan installation varies depending on fan type and its location. Good insulation reduces fan effectiveness.
Then cut out the circle with a reciprocating saw and mount the fan over the cutout using a drill. That cuts cooling costs and prolongs shingle life. In the summer good attic ventilation reduces heat buildup. A humidistat equipped fan is a good choice for controlling excess attic humidity during the colder months.
On average labor costs run between 100 300 and the fan itself may range from as little as 50 to more than 500. The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows. A mechanical fan working in an attic space equipped with adequate ventilation openings can move hot air out and increase the flow of air through the attic. This model draws its energy.
It helps to cool your home temperatures and the attic by approximately 30 degrees.