What is the most efficient source of additional heating to supplement my home's gas furnace?

— chris bacogiannis Walnut Creek, CA

Answered by Lucas Johnson on February 26, 2013

Are cork floors a good choice for a home in a high desert climate?

— Mary Beth Welch Buhl, ID

Answered by Cynthia Phakos on February 26, 2013

 
 
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