I have a fairly inefficient gas fireplace. Is it difficult to replace it with a pellet wood fireplace? Also, is it worthwhile?

— Brandon Stewart Washington, DC

Answered by Florian Speier on October 27, 2010

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

We are designing a home in the Caribbean and need help with air-conditioning options. Can you provide us with some advice?

— Tish B. Miami, FL

Answered by Polly Osborne, AIA, LEED AP on October 15, 2010

I would like to hook up a tankless water heater to my baseboard heater to heat the house and provide hot water. Can this be done?

— chris Croydon, PA

Answered by Polly Osborne, AIA, LEED AP on October 15, 2010

Central AC won't come on. We can turn it on by flipping the circuit breaker. It will run for a short time and kick off.

— Pamela Caldwell Danville, KY

Answered by Bill Bradbury on October 11, 2010

I need to change the air handler on my AC. Will it hinder the performance if I use a different brand?

— Linus Samoht New York, NY

Answered by Bill Bradbury on October 11, 2010

Can a new AC unit be incorporated into the ductwork of a 1930s gravity air furnace that has asbestos ductwork?

— Lisa Nashville, TN

Answered by Bill Bradbury on October 10, 2010

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

— B Stewart Marshall, VA

Answered by Bill Bradbury on October 10, 2010

We need to replace our oil-fired boiler. We have estimates for 4 oil-fired boilers but do not know which is best. Is a gas boiler better?

— Catherine Williams Orange, CT

Answered by Bill Bradbury on September 20, 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

 

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