Attic Fan Cooling Savings

Attic fans cool the attic which helps cool the rooms just under it.

Attic fan cooling savings. If the home is not properly insulated a ventilator fan can actually draw cool air out of the home resulting in an increased cooling load. Lowering the temperature of an attic that contains ducts can reduce your air conditioning costs. Attic fans are a good option for regulating your. Improving attic ventilation for cost savings.

But attic ventilation requires a balance. Attic fan ventilation 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. A lot of people like to store stuff up there for example. Larger homes that need larger a c units can save even more.

Venting an attic allows outdoor air. You ll need 2 to 4 times the normal area of attic vents or about one square foot of net free area for every 750 cubic feet per minute of fan capacity. Too many attic vents can cause temperature fluctuations in cold weather months and too little venting will not do enough to dissipate heat in the summer. The net free area of a vent takes into account the resistance offered by its louvers and insect screens.

126 302 at 90 savings. Using a whole house fan can result in a savings of over 300 each month of running a 3500w a c unit during the hottest part of summer. Install energy efficient ventilation to improve air circulation in your attic. 5 ways to make your attic more energy efficient 1.

Attic ventilation will usually need to be increased to exhaust the fan s air outdoors. 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.