Scientists are testing a new kind of air-conditioning, and the promise is cleaner cooling without refrigerants, but the big question is whether solid-state systems ca…

Discover the innovative world of solid-state air-conditioning systems that promise cleaner and more efficient cooling ...
CNN

A cooler climate solution: Air-conditioning without the compressor

Most cooling technology in use relies on vapor-compression technology, which circulates chemical refrigerants through a compressor. “The cooling sector has historically been very risk-averse,” said ...

No Central Air? No Sweat. These Tested Window Air Conditioners Cool Down Spaces Fast

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

There’s a New Generation of Window AC Units. We Found the Best Ones.

Units with Wi-Fi support can be set to run on a schedule, or integrated with other smart home devices. This often requires installing an app, but some ACs offer Matter support, which allows you to ...
Hunker on MSN

The best window air conditioner that Consumer Reports tested for small rooms in 2026

Do you want to keep a small room cooler this summer? Consumer Reports gave this window air conditioner high ratings for ...
Hosted on MSN

Best Quiet Window Air Conditioners from CR's Tests

These ACs from Frigidaire, GE, LG, and Midea can keep things cool and quiet while you sleep U-shaped air conditioners like this Midea can run quieter because they use your window to block out noise.

The Best Window Air Conditioners for Every Room and Budget

During testing we looked for models, like the Frigidaire Gallery U-Shape Window Air Conditioner, that are quiet, ...