How Effective Are Solar Powered Attic Fans

Moisture build ups can result into molds and other damages into your home.

How effective are solar powered attic fans.

Top 10 best rated solar powered attic fans. Attic venting is an important aspect of maintaining a healthy home. Solar attic fans are also useful during winters according to solar powered attic fan reviews. Houses during winter usually produce warm air.

Solar powered attic fan removes excess heat from your attic during summers and helps prevent moisture and ice dams during the winters. To determine the number of cubic feet per minute needed for a power vent fan multiply the number of square feet in your attic by 0 7. But they re much easier to install since no wiring is needed. Solar attic fans are eco friendly and energy efficient.

Depending on what your utility charges that s about 40 per year. Solar power is safer to use with an attic fan. They also create zones of negative pressure that could pull the ac cooled air into the attic. 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.

The safety and effectiveness of an attic fan is a subject that is hotly debated but line powered products usually cost more to operate than they can produce in savings during the summer. Solar powered attic vent fans usually don t move as many cubic feet of air per minute cfm as hardwired fans. 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.