You don't need to call an electrician. Gradient's 120-volt All-Weather Heat Pump is easy to install on your own and plugs into a standard outlet. Jon covers ...

Some window units handle chilly months better than expected, offering a seasonal upgrade that keeps interior spaces more ...

As is the case for many people, my home cannot be retrofitted with central air. My 100-plus-year-old Brooklyn apartment, which features prominently in my seven years of air quality reporting for WIRED ...

Summer’s just around the corner, and if you’re like most people, the thought of sweltering heat has you already searching for ways to keep your cool. A window air conditioner can be your secret weapon ...

As climate change brings hotter summers, AC manufacturers are positioning sleek window units as lifestyle accessories. Some of them are less effective than they are stylish. By Callie Holtermann Last ...