Do Attic Fans Work Well

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.

Do attic fans work well.

Energy professionals will tell you that they do more harm than good. How does an attic fan work. Much of that heat then conducts downward and finds its way into the house. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

Whether or not an attic fan really works is a controversial subject. We do have very low electric bills despite the attic fans running from noon to midnight on hot days thermostat controlled and the tamarack running all night as well. Using a fan to blow hot air out of the attic doesn t address the radiant heat flow from the roof to the attic floor. Do not use mechanical means electric attic fans.

Good attic ventilation is excellent for preventing moisture and condensation but it is usually not enough for cooling in the summertime. 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. 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. Intake vents located at the lowest part of the roof under the eaves allow cool.

A retrofit example that works. Strong attic fans can actually back draft furnaces or water heaters by pulling combustion gases out of their burnersand into the home. Manufacturers of attic fans as well as hvac companies will tell you otherwise. 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.

Here is some information so you can decide whether an attic fan is right for your home. But the house is incredibly comfortable. Theory behind attic fans is they work on the principle of drawing hot air out of the attic and pushing it outside through the gable or roof levels. Powered attic ventilators or attic fans just as they sound are designed explicitly for placing or installing in the attics.

Cold air is drawn in from outside through the soffit vents or roof. 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.