How Long Should You Run An Attic Fan

The attic is what keeps the home hot. If you have a newer energy star rated furnace it will have a variable speed motor that is designed to run all the time. There are a few positives to this feature.

heritage 30 roofing shingles how do i figure out roof pitch honda pressure washer spark plug how do i bid a tpo roof how do you get rid of roof stains how long do slate roofs last how many solar panels do 6138 houses need house vinyl siding images

The 1 Reason Power Attic Ventilators Don T Help

What Is An Attic Fan And What Does An Attic Fan Do

3 Household Benefits Of Attic Fans Marine Air Inc

Attic Fan Installation Marlboro Nj Corbin Electrical Services Inc

Attic Fans Exhausts Air From Home Quietcool Utah

Cooling Your Home With A Solar Attic Fan Mother Earth News

They can cool your home in less than an hour.

How long should you run an attic fan.

Multiply the number of square feet of the floor area you want to cool by the room height from floor to. We always recommend the use of a timer. If the switch on temperature is set too low you can bet that the fan will run all summer long and create a noisy disturbance. Setting your hvac fan to on when you set your fan to on you re telling it to keep running 24 hours a day 7 days a week regardless of the heating or cooling setting.

The windows remain closed until the next evening to. If your attic fan seems to be running constantly it would be a good idea to bring in a professional to check it out and make sure it s still working properly. Weather is also a factor. Pros to running fan on air conditioner continuously.

Once the house has cooled the fan can be turned off and the windows closed. Keep in mind that our systems will provide you with a whole house ventilation fan that can be used to exhaust cooking odor stale indoor air etc. If you have a builder s grade or older system then it may cost you as much as 10 12 a month. You should attach a timer on the switch and run for 20 minutes three or more time per day during the warmer months.

Calculate the appropriate size of a whole house fan needed to properly ventilate your home. They can cool your home in less than an hour. With electricity rates in central kentucky it will cost the average homeowner less than 3 per month to run the fan 24 hours a day. Generally speaking they can cool down a house in less than an hour.

Attic ventilation will usually need to be increased to exhaust the fan s air outdoors. You should not operate in the winter to retain heat collected in the attic. You ll need 2 to 4 times the normal area of attic vents or about one square foot of net free area for every 750 cubic feet per minute of fan capacity. Some attic fans are designed with thermostats and turn on automatically when the air reaches a certain temperature.

The net free area of a vent takes into account the resistance offered by its louvers and insect screens. Simpler fan models generally have on off switches or dials that allow you to run. A typical fan can t do both the work of an attic and the whole house fan but a whole house fan does both. Part 2 on average you should run the fan for 4 5 hours to ensure the attic is cooled.