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Is it worth having a tankless hot water system installed to replace my old gas water heater?

— Beth Bogetich Saint Clairsville, OH

Answered by Joshua Lloyd on November 7, 2012

Are sealed crawl spaces a good idea?

— Kyle Peterson Springville, UT

Answered by Joshua Lloyd on November 7, 2012

What insulation is recommended for basement walls?

— Martha Rockport, MA

Answered by Erik Henry on October 30, 2012

Do on demand hot water heaters have enough power to use in a house with a family of five? Do they save energy?

— Ruth West Winfield, NY

Answered by Erik Henry on October 29, 2012

Is an attic fan a good investment or a waste of money?

— Mary Savage, MD

Answered by Polly Osborne, FAIA, LEED AP on October 29, 2012

Considering cost & efficiency, which is better: solar or geothermal energy? I am building a 1200 sq ft home in OH on Lake Erie.

— Jill Pafford Elyria, OH

Answered by Michael Holcomb on October 25, 2012

Should I add fiberglass or cellulose to my attic insulation?

— Marsha Broomfield, CO

Answered by Edward Wright on October 19, 2012

What is best central heating system for a 1920s bungalow?

— Edward Memphis, TN

Answered by Elizabeth DiSalvo on October 19, 2012

Are there any rebates/incentives in NY State for insulation, windows, appliances, tankless hot water heater?

— mary fernandez Sound Beach, NY

Answered by Elizabeth DiSalvo on October 19, 2012

How can a renter save money on winter power bills?

— Sherry Corvallis, OR

Answered by Richard Williams on October 12, 2012

 
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