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Question: I am considering installing a whole house fan to use in the evening instead of my air conditioner. Will using one really save much electricity overall? What is the best design and features ...

How do you select and install a whole-house fan? -- W.R., Tulsa. The U.S. Energy Department's Office of Energy Efficiency and Renewable Energy -- http://www.eere ...

Q: I thought about installing a whole-house fan so I can run my air conditioner less. The prices and sizes vary quite a lot. How do I pick the best one for my home and will one really save much ...