This article was originally published July 9, 2012. As the temperatures rise, you start worrying about your air-conditioning bill and hope that somewhere, somehow you can find a new, improved and ...

Q. What is your take on using two-sided aluminum material in the attic over existing insulation? I’ve been told it is an idea from NASA that uses material like this to protect astronauts in space. A ...

Q: I recently heard about some new cooling strategy called “radiant barriers” in which heat from the house is directed up to the roof. Do you know if this really works, and if reflecting the heat out ...