Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic.
How often should attic fan run.
The result is a cooler attic space with plenty of air exchange.
Instructions for running a whole house fan.
If the attic fan increases the comfort level of the house it may be worth it.
The downside of attic ventilation fans.
Good insulation reduces fan effectiveness.
This was observed on numerous days following the installation.
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.
A whole house fan can provide an energy saving alternative to air conditioning particularly when the air outside becomes cooler at night.
Attic fans exhaust hot air from your attic to the outside.
An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic.
An attic fan doesn t require annual maintenance.
An attic fan doesn t need to run all the time only when the air outside is cooler than the air inside your home.
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.
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.
Temp 84f at 5pm.
After attic fan installation ac still off during day.
You might notice that should you need a new fan or.
Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem.
Once your home reaches a certain temperature the fan should switch off automatically.
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.
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.
If the switch on temperature is set too low you can bet that the fan will run all summer long and create a noisy disturbance.
During workdays would leave air conditioner off when leaving in the morning.
How an attic fan works.
