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.

So an attic fan i think generally is a bad idea. Cool air enters the attic through soffit vents in the eaves. An attic fan may not reduce your air conditioning costs but a whole house fan is a different story. Whole house fans such as those from quietcool can save 50 90 of a c electricity costs.

Just make sure you have the right climate to use one. 70 168 at 50 savings. How does an attic fan work. As stated above an attic fan can enable you to turn up your ac thermostat by as much as 10 degrees.

In the summer you can drastically reduce the temperature in the attic helping to lengthen the life of the roofing shingles and sheathing. 126 302 at 90 savings. When a c typically costs 140 336 per month that s a savings of. 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.

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. 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.

Overall this saves you energy which saves you on your monthly utility bills too.