Power Attic Fan Works

How an attic fan works.

Power attic fan works.

While a simple vent is sometimes used to allow for the passive flow of air it s also possible to add a powered attic fan commonly called an attic power ventilator. Attic power ventilators are mounted to the roof of the home and are connected electronically to a power source and in most cases the home s thermostat. Electrical issue your attic fan may not be turning on because of an electrical problem like a tripped circuit breaker a blown fuse or a bad connection. Solar attic fans in.

The downside of attic ventilation fans. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. 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. The safety and effectiveness of an attic fan is a subject that is hotly debated but line powered products usually cost more to operate than they can produce in savings during the summer.

However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic. A solar attic fan ideally delivers up to 400 cfm of venting power per 1000 sq. They also create zones of negative pressure that could pull the ac cooled air into the attic. And it s part of the reason that my state georgia has banned power attic ventilators unless they re solar powered which was a concession needed to get the grid powered fans banned.

It helps to cool your home temperatures and the attic by approximately 30 degrees. If the attic fan isn t turning on it could be an electrical issue a problem with the thermostat or the motor of the fan that s not working. Good insulation reduces fan effectiveness. 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.

Whole house fans work on the principle of removing the hot and humid air out of the house. Of attic and expels hot air from the attic quickly replacing it with cooler air from outside. Once the solar powered attic fan is up on the roof the sun works its magic to power the fan. Which uses wind to power its enclosed fan all it takes is a light breeze to.

Attic fans exhaust hot air from your attic to the outside. However the utility of attic ventilation fans is actually quite a controversial topic. But there s really a more fundamental reason that power attic ventilators won t help a lot and for some reason i didn t mention that in the original article. Solar power is safer to use with an attic fan.

Attic fan ventilation attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside. The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows.