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Here's our full review of the Costway Portable Air Conditioner after testing. We found it cooled small spaces quickly, ran ...

How we picked our favorite air conditioners. The experts we spoke to helped us to understand better the more technical ...

We tested nine of the best portable air conditioners in a humid Florida home—here are the models that impressed us the most.

For many of us, Memorial Day marks the start of summer. And while the season doesn’t officially start until late June, the ...

This portable A/C works great, I’m very impressed,” says one reviewer. “No leaking, no malfunctions, practically ready to go ...

MarketWatch Picks highlights items we think you’ll find useful; we are independent of the MarketWatch newsroom. We might earn a commission from links in this content. Learn more ...

Wayfair’s huge, biannual Way Day sale has officially begun. Running today through Monday night, the sale is offering up to 80% off lighting, air purifiers, grills and griddles, curtains, outdoor tools ...

There are two main types of stand-alone air conditioners. One is a portable unit that typically sits on the floor and is equipped with a hose that ventilates hot air out of a window or opening, ...

This portable air conditioner has a cooling capacity of 16,000 BTU thanks to an energy-efficient compressor that can cool rooms and offices up to 730 square feet. It also features a three-speed fan ...

Window-mounted AC units come in various sizes and cooling capacities, ranging from about 5,000 to 25,000 BTU (British ... guides on window air conditioners and portable units to learn more about ...