Do Attic Fans Save Money

When exploring the best attic ventilation practices consider installing an attic ventilation fan to keep the hot air from settling in.

Do attic fans save money.

Larger homes that need larger a c units can save even more. If you put in an attic fan you may very well increase your central air conditioning cost. Attic fans are not recommended if you have central air conditioning because when you turn the fan on in the summer it depressurizes the attic but also reaches down into your house and starts drawing off air conditioned air effectively driving up your cooling costs. 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.

Find out whether it is economical to run an attic fan. Well here s a surprise for you. If you can improve ventilation in your attic and reduce the amount of heat the space holds and pushes into your home you ll reduce the cooling load on your air conditioner and save money on your utility bills. These ventilation fans are usually mounted in the upper slope of the roof and are designed to cool the attic save energy on cooling costs and extend the life of the roof shingles.

Instead of installing a fan just make sure your attic is well ventilated. Bridgett w tampa fla. It s usually better to take the money you would spend on an attic fan and instead spend it on increasing the insulation levels in the attic and the airtightness of the attic floor plane. Because those fans can be so strong that they depressurize the attic and then reach down deep into the living spaces of your house and pull out air conditioned air.

If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit. Attic fans cool the attic which helps cool the rooms just under it. If the attic fan increases the comfort level of the house it may be worth it. The only difference is that when the soffit vents are not properly sealed from the rest of the house the fans tend to suck up the cool conditioned air into the attic a process that makes it to consume more energy thus increase the utility bills.