The best window AC units of 2026 are both powerful and energy-efficient. Our top five picks include quiet models from LG, Midea and Windmill.

But the latest window air conditioners are capable of cooling and dehumidifying an apartment nearly as quietly and efficiently as a built-in system. When you set the temperature on a regular window AC ...

This TCL 8,000 BTU smart window air conditioner cools rooms up to 350 square feet, runs quietly and is one of Amazon’s best ...

Is your summer electricity bill out of control? Discover the surprisingly high temperature setting that energy experts ...

Wayfair is discounting a feature-rich 12,000 BTU window AC to $350, with free shipping during its Memorial Day sale.

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. If I'm going to have a big ...

It's always in the middle of a heatwave. Your AC hums to life, but instead of the icy rush you're craving, it pushes out a faint, lukewarm breeze. That's when the dread sets in. Is the unit failing?

Is 72 too cold? Experts say a simple thermostat tweak during a heat wave could help you stay cool and cut energy costs this ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

Basic annual AC tune-ups typically cost between $70 and $250, with most homeowners paying around $130. But your price will depend on several factors, including the age of your system and whether you ...