Do Solar Attic Fans Save Money

Often the property s hvac system duct work is routed through attic spaces which even though they are insulated to protect the house below will still get very hot when in the direct sun or the heat of high summer.

Do solar attic fans save money.

Ad the infrared rays from the sun are powerful. Larger homes that need larger a c units can save even more. Because of the negative pressure inside the house that these fans create i don t feel that they save you money on electricity or cooling costs. The attic fan just helps the air move more which adds cooler air circulation.

This is basically how air naturally moves. Not only does an attic fan save you money through the use of solar power but it also takes a bite out of electric bills because it regulates the temperature within your attic improving the efficiency of your ac unit. Here are some more benefits of getting a solar attic fan. Attic fans cool the attic which helps cool the rooms just under it.

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. Cold air is at the bottom and warm air is at the top. So an attic fan i think generally is a bad idea. Solar attic fans are they worth it the short answer is it depends.

Solar attic fan reviews even though electric attic fans can lower your air conditioning costs they cost more money to run than what they save you. 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. Attic fan savings claims. That means it could take between 10 15 years to get back to even with this investment.

The solar attic fans all moved less than 1 000 cubic feet of air per minute cfm and they did nothing to lower the temperature inside my own attic. Let s assume that you have a supertight house and no. 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. Solar attic fans work by pulling in the cold air from the soffits and pushing out the hot air that has accumulated at the top of the attic.

Depending on what your utility charges that s about 40 per year. 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.