Does An Attic Fan Help Cool A House

Adding an attic fan can improve the airflow in your attic to keep it cool.

Does an attic fan help cool a house.

It provides good attic ventilation in addition to whole house cooling. 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. In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house. Do not use mechanical means electric attic fans.

When an attic fan is operating during the hottest summer days the temperature in your attic can drop by as much as 50 degrees. 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. Help your roof out. Yes installing an attic fan raises the electric bill.

Note that they do not push air in the house but draw fresh air into the attic enabling your house to cool almost instantly. Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed. Attic fans push out the hot air and pull in the cool air from the vents installed on your roof. The attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference.

Attic fans are critical because they are designed to cool off the attic providing relief to the unbearable temperatures of your home. An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents. If the attic fan increases the comfort level of the house it may be worth it. 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.

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. 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. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. 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.

Intake vents located at the lowest part of the roof under the eaves allow cool. If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit.