Does An Attic Fan Help Cool A House

Note that they do not push air in the house but draw fresh air into the attic enabling your house to cool almost instantly.

Does an attic fan help cool a house. If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit. Attic fans are critical because they are designed to cool off the attic providing relief to the unbearable temperatures of your home. In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed. If the attic fan increases the comfort level of the house it may be worth it. Whole house fans should provide houses with 3 to 6 air changes per hour varies with climate floor plan etc check with a professional to determine what is appropriate for your home. 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.

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. Intake vents located at the lowest part of the roof under the eaves allow cool. An attic fan s ability to cool a portion of the house that the a c can t equate to a home that is cooler usual. The whole house fan pulls air in from open windows and exhausts it through the attic and roof.

When an attic fan is operating during the hottest summer days the temperature in your attic can drop by as much as 50 degrees. It provides good attic ventilation in addition to whole house cooling. As a certified licensed home inspector it is not correct to say too much ventilation is bad for an attic unless rain moisture is getting in. An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents.

To ensure that the attic fan is working properly you need to make sure that your attic is sealed up tight where it touches the ceiling of the top floor. Do not use mechanical means electric attic fans. The attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference. Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.

Yes installing an attic fan raises the electric bill. When that is the case a homeowner is much less likely to use their a c as their home is not reheating like it normally does.