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.

Attic fan cooling savings.

5 ways to make your attic more energy efficient 1. 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. Attic fans are a good option for regulating your. Improving attic ventilation for cost savings.

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. But attic ventilation requires a balance. If the home doesn t have ducts there still may be reasons a homeowner would want to reduce the attic temperature. Lowering the temperature of an attic that contains ducts can reduce your air conditioning costs.

Attic ventilation will usually need to be increased to exhaust the fan s air outdoors. Ultimately improving your attic s ventilation can have a net positive effect on your cooling bill. A lot of people like to store stuff up there for example. Use energy efficient attic fans to regulate your home climate.

The net free area of a vent takes into account the resistance offered by its louvers and insect screens. Larger homes that need larger a c units can save even more. Install energy efficient ventilation to improve air circulation in your attic. 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.

Venting an attic allows outdoor air. 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.