My apartment has a heat pump. How can I install a thermostat with a timer?

— susan Upland, CA

Answered by Sean Shanley on September 17, 2010

Should I go with an air source heat pump or electric radiant floor heat?

— Chris DiGiacomo Shirley, NY

Answered by Rick Goyette on September 1, 2010

What is the best furnace out there?

— Jerry Lawrence Aurora, CO

Answered by Dan Werner on August 26, 2010

What is the greenest, best fireplace replacement?

— Beth Seymour, IN

Answered by Lee Hall on August 13, 2010

What do you think about geothermal heating and cooling systems?

— Richard Paltrineri Saugus, MA

Answered by Rick Goyette on August 9, 2010