Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem.
How often should attic fan run.
An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic.
Good insulation reduces fan effectiveness.
Older attic fan models may have a manual switch.
After attic fan installation ac still off during day.
Temp 84f at 5pm.
Temp 92 f at 5pm.
Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool.
However the utility of attic ventilation fans is actually quite a controversial topic.
The attic fan kept my house cooler by 8f compared to pre fan installation days.
During workdays would leave air conditioner off when leaving in the morning.
Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic.
Once your home reaches a certain temperature the fan should switch off automatically.
How an attic fan works.
If the attic fan increases the comfort level of the house it may be worth it.
If your attic fan seems to be running constantly it would be a good idea to bring in a professional to check it out and make sure it s still working properly.
The result is a cooler attic space with plenty of air exchange.
You might notice that should you need a new fan or.
If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit.
An attic fan doesn t need to run all the time only when the air outside is cooler than the air inside your home.
The downside of attic ventilation fans.
One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.
Attic fans exhaust hot air from your attic to the outside.
An attic fan doesn t require annual maintenance.
These fans are designed to remove excess heat from your attic which in theory is supposed to lessen the load on the air conditioning in your home.
A whole house fan can provide an energy saving alternative to air conditioning particularly when the air outside becomes cooler at night.
