In the summer you can drastically reduce the temperature in the attic helping to lengthen the life of the roofing shingles and sheathing.
Attic fan ac save.
Cool air enters the attic through soffit vents in the eaves.
Whole house fans such as those from quietcool can save 50 90 of a c electricity costs.
70 168 at 50 savings.
Overall this saves you energy which saves you on your monthly utility bills too.
Larger homes that need larger a c units can.
This means your air conditioner will not have to work as hard to do its job and may even cycle on less.
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.
Just make sure you have the right climate to use one.
It s always a good idea to run the whole house fan any time the air outside is cooler than the air inside.
As stated above an attic fan can enable you to turn up your ac thermostat by as much as 10 degrees.
126 302 at 90 savings.
In colder months attic fans can help you avoid damage.
So an attic fan i think generally is a bad idea.
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.
How does an attic fan work.
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.
When a c typically costs 140 336 per month that s a savings of.