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You may want to learn how to install an attic fan to help circulate air in the hottest part of your house. An attic fan can cut your home's energy costs and help to protect anything
http://www.life123.com/home-garden/heating-cooling...
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1. Multiply the attic floor's width and length to get the attic floor's area. Multiply the attic floor's area by .7 to figure how many cubic feet per minute, or cfm, of air the fan
http://www.ehow.com/how_6780016_install-attic-exha...
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1. Choose a fan powerful enough for the job. Attic fans are rated by the amount of air they move in cubic feet per minute (cfm). To calculate the size you will need, multiply the
http://www.ehow.com/how_5906879_install-attic-vent...
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1. Purchase a fan specifically designed for pumping radon gas and is specifically designed to be mounted in an attic. 2. Decide on the exact location for mounting the fan. The PVC
http://www.ehow.com/how_6914937_install-radon-fans...
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