Why is my master bedroom so cold in comparison to other rooms?

— JWT Bowie, MD

Answered by Sean Lintow Sr on March 14, 2013

Is it better to shut the heat off during the day or keep it at 65 degrees?

— Pat Staten Island, NY

Answered by Sean Lintow Sr on March 14, 2013

What is the most efficient water heater replacement system?

— Michael Snyder Potomac, MD

Answered by Scott Grieves, CPM, CEA on March 14, 2013