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Glossary of Terms

Attic Fan

Attic fans are mounted on the wall or roof of an attic, and they vent the attic to the outside. During summer, they help keep the attic space cool, and keep the hot air from warming up the house.

Attic fans are not, however, best used as whole house fans.
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The energy requirements of residential, commercial, and industrial buildings produce approximately 43 percent of U.S. carbon dioxide (CO2) emissions.
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