Attic Fan Ac Save

It s always a good idea to run the whole house fan any time the air outside is cooler than the air inside.

Attic fan ac save.

Whole house fans such as those from quietcool can save 50 90 of a c electricity costs. As stated above an attic fan can enable you to turn up your ac thermostat by as much as 10 degrees. In colder months attic fans can help you avoid damage. So an attic fan i think generally is a bad idea.

When a c typically costs 140 336 per month that s a savings of. Just make sure you have the right climate to use one. How does an attic fan work. Using a whole house fan can result in a savings of over 300 each month of running a 3500w a c unit during the hottest part of summer.

In the summer you can drastically reduce the temperature in the attic helping to lengthen the life of the roofing shingles and sheathing. Overall this saves you energy which saves you on your monthly utility bills too. This means your air conditioner will not have to work as hard to do its job and may even cycle on less. Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside.

They ll find little gaps inside the walls where wires run and things like that and it s been shown that using an attic fan can actually increase air conditioning costs. 126 302 at 90 savings. Most homes already have some passive attic venting built in. An attic fan may not reduce your air conditioning costs but a whole house fan is a different story.

Cool air enters the attic through soffit vents in the eaves.