Do Attic Fans Work Reddit

There are lots of solar attic fans available with the obvious attraction that they cost nothing to run.

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. 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. I ve noticed that the attic is very hot somewhere in the 150 range min.

If you really can t believe it set up some experiments of your own. 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. This pressure balance improvement and the cooling provided by the air flow are most significant in the case of a leaky. 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.

People who really think attic fans work. An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic. You re pitting your intuition against physics and data. How an attic fan works.

I know it seems intuitively that these things would work great but they just don t. 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. The underpinnings of most are similar to wired. 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.

Turn your fan off and monitor the temperature in your attic up unitl 2pm or something then. 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. 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. Do attic fans work.

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. If a cloud blocks the sunlight the fans slow or stop. With attic fans it s usually on a cord or cable enabling you to position it some distance from the fan itself.