The central and eastern US have been hit with a heatwave this week, with several cities recording their highest temperatures of the year thanks to a “heat dome”. High humidity and night-time lows are ...

Around 78% of Americans are concerned about rising energy costs but staying in a cool environment shouldn't cost a worrisome amount -- especially during this heat wave. It's important to find a good, ...

Why do window ACs actually need a window? On the surface, it feels unnecessary — after all, the unit is clearly designed to blow cold air from the front. Why can't you just set it on the floor like a ...

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 ...

It's hard to resist the urge to crank up the AC during a heatwave. But if you rely on a window unit to stay cool, you may notice that when temperatures soar, your AC isn't as effective as usual, and ...