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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 ...

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 ...

Dear Jim: My mortgage payment just shot up and I need to lower expenses. I was wondering if installing and using a whole-house fan, instead of the air-conditioner as much, would save much on my ...

A new company leaves old problems behind. Tamara Keith examines the mercury mess that the new General Motors is leaving behind. And... an eco-alternative to air conditioning. Lester chats with our ...