Attic Fan Ac Save

As stated above an attic fan can enable you to turn up your ac thermostat by as much as 10 degrees.

Attic fan ac save.

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. In the summer you can drastically reduce the temperature in the attic helping to lengthen the life of the roofing shingles and sheathing. It s always a good idea to run the whole house fan any time the air outside is cooler than the air inside. An attic fan may not reduce your air conditioning costs but a whole house fan is a different story.

How does an attic fan work. Cool air enters the attic through soffit vents in the eaves. 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. 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. 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. Most homes already have some passive attic venting built in.

This means your air conditioner will not have to work as hard to do its job and may even cycle on less. Overall this saves you energy which saves you on your monthly utility bills too. 70 168 at 50 savings. So an attic fan i think generally is a bad idea.

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.