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 ...

Most people buy a portable air conditioner to keep their rooms cool without needing to install a window unit or central AC. But many people don’t realize that portable ACs regularly collect water—and ...