Do I Need Two Attic Fans

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.

Do i need two attic fans. Quietcool attic fans work almost everywhere almost anytime. The ventilation that controls moisture from condensation and regulates the temperature in your attic relies on air circulation. 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. It doesn t matter if the ventilation openings are spread out as long as there is sufficient space for all the air to escape.

Most either come with a programmable thermostat or can be wired to one which will turn the fan on when the attic reaches a set temperature no need for flipping a switch or monitoring the attic. 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. Good insulation reduces fan effectiveness. There are really two categories of attic fans.

However the utility of attic ventilation fans is actually quite a controversial topic. An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic. In a properly. Note that these two feet would not need to be one large opening.

The whole house fan and the more. The downside of attic ventilation fans. Ok i would definitely not recommend an attic fan. Do you need an attic fan if you have a ridge vent.

With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly. Often being situated on the roof attic fans are often in need of repairing or replacing following hail storms. So if your fan is rated at 1500 cfm you will need about two feet of totally open space in your attic. During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly.

Because what happens is attic fans are so strong that they actually reach down into the conditioned space of your house and they do that by using the wall cavities and where the outlets and pipes come through the walls as places where they draw air from the inside of your house it. For both fans to work well they need large exhaust openings in the roof for the moving air to exit. Attic fans exhaust hot air from your attic to the outside.