Do Attic Fans Really Work

Solar attic fans require direct sunlight to operate.

Do attic fans really work.

Manufacturers of attic fans as well as hvac companies will tell you otherwise. Strong attic fans can actually back draft furnaces or water heaters by pulling combustion gases out of their burnersand into the home. Here is some information so you can decide whether an attic fan is right for your home. The fan will stop spinning immediately once it loses contact with the light.

Firstly let s start off with clarifying the. Energy professionals will tell you that they do more harm than good. Attic fans are installed at the roof level of your home to regulate the heat level. 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.

A retrofit example that works. Yes attic fans can make a difference. 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. 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.

It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air with outdoor air. 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. As hot air rises to the top fans push the hot air out and cool down the home by drawing in the fresh air. 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.

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. Whether or not an attic fan really works is a controversial subject. Using the simple physics principle of air circulation it can draw in cool air while letting out the warm air. A powered attic ventilator has a different purpose.

It will offer you more benefits that include. Good attic ventilation is excellent for preventing moisture and condensation but it is usually not enough for cooling in the summertime. Do attic fans really help to cool a room.