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

— Edward Memphis, TN

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

What are the next heating/cooling advancements beyond geothermal?

— Tom M. Rocky Hill, CT

Answered by Lucas Johnson on September 25, 2012