I can't afford geothermal. Is an air-to-air heat pump my best option for heating?

— Chris Di Giacomo Shirley, NY

Answered by Randy Potter on October 16, 2010

What materials will I need for a hydronic baseboard heating system?

— B Stewart Marshall, VA

Answered by Bill Bradbury on October 10, 2010

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