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 ...

Basic annual AC tune-ups typically cost between $70 and $250, with most homeowners paying around $130. But your price will depend on several factors, including the age of your system and whether you ...

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?