You know that when you push the button marked "AC" you should feel a nice cooling breeze upon your body in short order. Those two letters stand for air conditioning, and it's within this system that ...

Q: I'm having a 2,300-square-foot home built for me, but I don't know how "efficient" an air conditioner I should have installed. The builder will put in a 13 SEER-rated AC as part of the package, but ...

A heat wave in North Carolina is in full swing. As temperatures rise, The News & Observer provides tips on how to beat the heat and answers frequently asked questions. The N&O Summer Desk is a pop-up ...