Air conditioning can send your summer energy bills soaring, but there are smart ways to keep costs in check. Setting your thermostat to a steady, reasonable temperature helps -- but just as important ...

It's always in the middle of a heatwave. Your AC hums to life, but instead of the icy rush you're craving, it pushes out a faint, lukewarm breeze. That's when the dread sets in. Is the unit failing?

A malfunctioning AC can make your home feel incredibly uncomfortable. Today’s HVAC and cooling systems are smarter and more efficient, but sometimes things still go wrong, especially if you have an ...