Ensuring your attic does not reach excessive temperatures is important for your house to maintain energy efficiency and protect the long-term well-being of your home. Using the 20 Watt Solar Attic Fan from Air Flow Technology is a simple way of controlling this. By mounting this unit on your roof with the convenience of included installation materials, your attic temperatures will be easily controlled. This solar attic fan requires no wiring because it runs exclusively on solar power. It can fully cover an attic space of up to 2000 sq. ft. and will operate at up to 1200 cfm. This compact solar fan will function at low volumes to combat the heat and moisture that can make a harmful impact on your house.