Do Attic Fans Lower Electric Bill

Three years ago i wrote an article titled don t let your attic suck power attic ventilators are a bad idea nearly a hundred thousand page views and 93 comments later it s still generating lots of heat.
Do attic fans lower electric bill. Ultimately improving your attic s ventilation can have a net positive effect on your cooling bill. Yes installing an attic fan raises the electric bill. Too many attic vents can cause temperature fluctuations in cold weather months and too little venting will not do enough to dissipate heat in the summer. Install an attic fan.
Some sources say they ll lower air conditioning bills by reducing the temperature of air in the attic. But attic ventilation requires a balance. Chuckcollier getty images. If the attic fan increases the comfort level of the house it may be worth it.
When exploring the best attic ventilation practices consider installing an attic ventilation fan to keep the hot air from settling in. An attic fan will pull cool air into your home and help to remove the hot air. If you can improve ventilation in your attic and reduce the amount of heat the space holds and pushes into your home you ll reduce the cooling load on your air conditioner and save money on your utility bills. Don t run attic or window fans when the air con ditioner is on.
Most homes houses especially older depends trade winds to keep your home from becoming unbearable. If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit. Others say they ll draw conditioned air into the attic and increase energy use. The money you save on your electric bill following routine professional servicing you can lower your electric bill by up to three percent.
I don t know why so many people are so defensive about power attic ventilators but here are a few of the things they ve said to me in the comments. An attic fan can be used temporarily during the summer to decrease the electric bill but it won t be the best option in the long run. Here are easy things that you can do to lower your electric bills year round without sacrificing your family s comfort.