Rid your attic of harmful heat and moisture buildup with Air Flow Technology’s Gable Mounted 20 Watt Solar Attic Fan. Installing this solar attic fan in your home can cool down your attic space, strictly using solar power. Designed for your existing gable vent in your attic, the 20 watt model can be installed easily from the box with the included installation accessories. Because it runs completely off of solar power, there is no wiring to worry about. Once installed, the 20 watt model will vent up to 1800 sq. ft. and can operate up to 1275 cfm. With a compact look and a quiet operation, the 20 Watt Solar Attic Fan will help to protect your home from suffering the consequences of excessive attic heat.