Does A Solar Attic Fans Save Money

They ll find little gaps inside the walls where wires run and things like that and it s been shown that using an attic fan can actually increase air conditioning costs.

Does a solar attic fans save money. Find out whether it is economical to run an attic fan. 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. Even though electric attic fans can lower your air conditioning costs they cost more money to run than what they save you. 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.

This product requires direct sunlight to operate. Meanwhile solar attic fans are free to run lower your electric bills and have few costs beyond purchase and installation. Larger homes that need larger a c units can save even more. As hgtv points out cooling a 1 000 square foot home with solar attic fans can save you about 40 per year in a warm climate like florida.

My husband really thinks it s a great idea to buy a solar attic fan but i don t want to waste the money if it does little or nothing. That means it could take between 10 15 years to get back to even with this investment. 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. 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.

Danny s tests of solar attic fans showed that in florida where there s abundant solar energy yearly savings from installing two fans in a house with just over 1 000 square feet of air conditioned floor area amounted to only 460 kwh. 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. Attic fans cool the attic which helps cool the rooms just under it.