Do Attic Fans Work Reddit

For the attic fans to work at peak efficiency they need to be on a south facing roof slope if you live in the northern hemisphere.

Do attic fans work reddit.

Exhausting moderate amounts of attic air as solar fans do can counteract this reducing infiltration my calculations show it to be about right for a vented attic but either do the calculations or measure the pressures. Turn your fan off and monitor the temperature in your attic up unitl 2pm or something then. There are lots of solar attic fans available with the obvious attraction that they cost nothing to run. People who really think attic fans work.

How an attic fan works. With attic fans it s usually on a cord or cable enabling you to position it some distance from the fan itself. I know the best solution are solar panels hands down but they cost 20k plus and i don t want that investment on this house because its in clayton county and its. 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.

Attic fans exhaust hot air from your attic to the outside. Attic vent area is key for this to work you need to have a very good idea of your total soffit ridge and gable vents for this to work. You re pitting your intuition against physics and data. This means readings won t be affected by rapidly moving air.

I know it seems intuitively that these things would work great but they just don t. An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic. This pressure balance improvement and the cooling provided by the air flow are most significant in the case of a leaky. 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 you really can t believe it set up some experiments of your own. I added a whole house fan and it would overheat and shutoff after 10 minutes because we didn t have enough venting mostly due to my overoptimistic expectations of the soffit vents. Ventilation fans or powered attic ventilators are designed to cool the attic pushing out the hot attic air and rushing in a flow of cool outside air. 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.

Do attic fans work. The underpinnings of most are similar to wired. 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.