Do Attic Fans Really Work

Do attic fans really help to cool a room.

Do attic fans really work.

Whether or not an attic fan really works is a controversial subject. Because most models do not use a battery as a backup power source any drifting clouds that come along will interrupt the operation of this unit. They can provide a cooling effect that reduces temperature significantly in your house. Manufacturers of attic fans as well as hvac companies will tell you otherwise.

They can help you save a lot of money on your energy bills as you may not have to use air conditioning if the weather isn t too hot. Firstly let s start off with clarifying the. Well what s been found is that if you turn the attic fan on in the summertime that it depressurizes the attic but it doesn t stop there. A powered attic ventilator has a different purpose.

As hot air rises to the top fans push the hot air out and cool down the home by drawing in the fresh air. 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. 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. Strong attic fans can actually back draft furnaces or water heaters by pulling combustion gases out of their burnersand into the home.

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. It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air with outdoor air. 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 fan will stop spinning immediately once it loses contact with the light.

Using the simple physics principle of air circulation it can draw in cool air while letting out the warm air. Solar attic fans require direct sunlight to operate. Unlike a ventilation fan a whole house fan an attic mounted fan that exhausts air from a home at night is designed to cool a house that is to lower the indoor temperature. Good attic ventilation is excellent for preventing moisture and condensation but it is usually not enough for cooling in the summertime.

Here is some information so you can decide whether an attic fan is right for your home. It will offer you more benefits that include. Yes attic fans can make a difference.