You might see an EER (Energy Efficiency Ratio) number for your portable air conditioner, which measures the cooling ...

We've rounded up the best Prime Day air conditioner deals on our favorite portable and window units. Shop these models now ...

Looking to cool down this summer? Snag $100 off this Midea air conditioner during Amazon Prime Day. You can get the unit for ...

"When turning off the AC, run it in fan mode for 15 minutes to dry residual moisture," says Omero Flores, HVAC technician and ...

Keeping your window air conditioner clean and dry can help reduce the presence of these airborne contaminants. Both your wallet and your air-conditioner unit will benefit from regular cleanings too.

I tested the July air conditioner, with smart home features and a sleek design, to see how well it stands up in a heat wave and if its worth the premium price tag.

Your old window air conditioner that sounds like a jet taking off, uses a ton of electricity and can barely cool a broom ...

To help you make an informed decision, we’ll compare portable and window ACs and highlight their main features so you can decide what makes sense for you.

It's hot. Like, really hot. Once you learn how to clean a window AC unit, you can stay cool all summer long.

In this guide, we reveal expert-backed tips for installing a window air conditioner—and our recommendations for the best units for your home.

I loved my top-rated Midea U-Shaped Window AC, until I learned it was recalled for mold risk. Here's how I'm dealing with it.