Power Roof Fans Are They Worth It

Electric powered fans use either household current or solar power to drive a fan blade.

Power roof fans are they worth it.

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. This is a solar panel supplying free electricity to the attic fan under the silver dome on the rear roof. Air vent 1320 cfm weatherwood galvanized steel electric power roof vent. For pricing and availability.

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. The downside of attic ventilation fans. Attic fans exhaust hot air from your attic to the outside. Instead of installing a fan just make sure your attic is well ventilated.

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. Find out whether it is economical to run an attic fan. These attic fans are hardwired into the home s electrical system. Some electric fans run continuously but.

Is a solar attic fan worth the cost. The beneficial effects of solar powered attic fans if any are limited to a subset of houses those with airtight ceilings. Powered attic ventilators cause more problems than they solve so if solar powered models have gone up in power that makes them less desirable than ever not more desirable. Good insulation reduces fan effectiveness.

A gable attic fan uses the the existing gable vent opening to blow out hot attic air. An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic. Anytime the fan blade turns it draws air through the attic space. Power roof mount fan.

However the utility of attic ventilation fans is actually quite a controversial topic. They are either installed on the roof as a roof mounted fan or it is installed vertically on the gable wall of the home. The fan blades spin but they don t lower the attic. How an attic fan works.

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.