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

The LG Dual Inverter became the first inverter-equipped window AC available in the U.S. back in 2018, and it was far quieter and more efficient than any of its predecessors. But it wasn’t long before ...

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

Pradershika Sharma is a tech deals writer for Lifehacker. She has a Master’s degree in English Literature, a B.Ed., and a TESOL certification. She has been writing professionally since 2018, creating ...

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

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

It's difficult to imagine what life must have been like before air conditioners. In 2026, some areas of the U.S. like the southwest were already reaching triple digits in March, with Phoenix, Arizona ...

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Ambar Pardilla With the hotter months quickly approaching ...

If your window AC unit isn't working as well as you'd like, some simple tips from Consumer Reports may help boost its ...