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 ...

I conducted a DIY audit to find air leaks in my home and save money on cooling and heating all year. John Carlsen has more than a decade of experience testing and reviewing home tech products, with a ...

(AC) system in a car is essential for comfort, especially during hot weather. However, like any other system in a vehicle, the AC can develop issues over time, and one common problem is a gas leak.