How Much Does An Attic Fan Help

Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside.

How much does an attic fan help.

A typical fan can t do both the work of an attic and the whole house fan but a whole house fan does both. If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit. This means your air conditioner will not have to work as hard to do its job and may even cycle on less. This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner.

They can cool your home in less than an hour. Because you ll usually need two fans to create the results you want instead of a single traditional product your expenses are going to double. An attic s intake vents are most commonly installed directly in the soffit either as individual vents spaced every few feet or as one continuous perforated soffit running the entire length of. One better option for you is to seal and well insulate the ductwork and the unit itself check the owners manual for clearances needed especially for gas units.

Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem. In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house. 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. They can cool your home in less than an hour.

If the attic fan increases the comfort level of the house it may be worth it. An attic fan may not reduce your air conditioning costs but a whole house fan is a different story. If you choose an energy star rated solar attic fan for your home then you might qualify for tax credits that equal up to 30 of your initial expense. As stated above an attic fan can enable you to turn up your ac thermostat by as much as 10 degrees.

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 attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference. An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents.