Attic Fan Ac Save

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

Attic fan ac save. How does an attic fan work. It s always a good idea to run the whole house fan any time the air outside is cooler than the air inside. 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. 70 168 at 50 savings.

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. In the summer you can drastically reduce the temperature in the attic helping to lengthen the life of the roofing shingles and sheathing. Whole house fans such as those from quietcool can save 50 90 of a c electricity costs. 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. 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. Just make sure you have the right climate to use one. When a c typically costs 140 336 per month that s a savings of.

126 302 at 90 savings. An attic fan may not reduce your air conditioning costs but a whole house fan is a different story. Overall this saves you energy which saves you on your monthly utility bills too. Most homes already have some passive attic venting built in.

In colder months attic fans can help you avoid damage.