The best window AC units of 2026 from brands like LG and Windmill can help you ride out even the most brutal heat waves.

We got our hands on multiple units and looked for models that are quiet, energy-efficient, and easy to install.

My home office is too hot, or it's too cold. It's in a weird cranny that my heat pump refuses to reach. The only solution in my awkward space was a good portable air conditioner, and my life went from ...

Four editors tested the Midea U and Windmill WhisperTech window air conditioners for over a year. Here’s what we thought of ...

These compact air conditioners provide quick relief from the heat without making you break a sweat to get them installed.

It's hot and it's just going to get hotter. Stay cool with these AC deals you can get delivered fast and free from Walmart.

LG's 8,000 BTU window AC blew away the competition in our evaluations. We found it great for cooling a living room or a bedroom up to 350 square feet (and it's available in larger sizes up to 15,000 ...

These lab-tested window AC units will keep your home cool, and they’re energy efficient.

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Harry Rabinowitz Tech Reporter Justin Redman If you hate ...

From easy-install picks to energy-efficient standouts, these window air conditioners are worth buying right now.