Replace Attic Ventilation Fan

How to replace the fan motor in a roof vent fan.

Replace attic ventilation fan. 1 square foot of intake for every 300 cfm of ventilator. This american designed fan is designed to reduce attic temperatures and remove destructive moisture thus making your home more comfortable and reducing the load on your hvac system and lowering your. 1 170 cfm ventilator 300 3 9 square feet of intake ventilation this is the minimum intake required. Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic.

Remove the screws or bolts that hold the attic exhaust fan in place. After inserting your new attic fan into the fan housing remove the cover of the regulator. An attic with 1 500 square feet x 7 1 050 cfm make sure you also have adequate air intake typically through the undereave vents. Step 2 install your new attic fan.

Your attic fan replacement should be the same size as your old attic fan so you can insert it into the existing housing. The remington solar ventilation attic fan is completely the remington solar ventilation attic fan is completely powered by free solar energy. A rule of thumb. The result is a cooler attic space with plenty of air exchange.

Remove the screws holding the cover on the electrical connections box using a flat blade or phillips head screwdriver. Step 3 remove the motor. Turn off the branch circuit breaker on the service panel supplying power to the attic ventilation fan. Roof vent fans or attic fans as they are often called are constructed so that replacement does not have to be done by crawling onto the roof.

Attach a cable clamp and insert all the cables through the. Attach the regulator into a rafter. You will need to clip the wiring that powers the attic exhaust fan.