Attic Fan Ac Save

When a c typically costs 140 336 per month that s a savings of.

Attic fan ac save.

In colder months attic fans can help you avoid damage. An attic fan may not reduce your air conditioning costs but a whole house fan is a different story. This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner. 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.

Whole house fans such as those from quietcool can save 50 90 of a c electricity costs. How does an attic fan work. 70 168 at 50 savings. 126 302 at 90 savings.

Most homes already have some passive attic venting built in. 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. Larger homes that need larger a c units can. As stated above an attic fan can enable you to turn up your ac thermostat by as much as 10 degrees.

It s always a good idea to run the whole house fan any time the air outside is cooler than the air inside. In the summer you can drastically reduce the temperature in the attic helping to lengthen the life of the roofing shingles and sheathing. This means your air conditioner will not have to work as hard to do its job and may even cycle on less. Cool air enters the attic through soffit vents in the eaves.

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.