The EER or Energy Efficiency Ratio measures the cooling efficiency of an air conditioner or HVAC system, determined by ...

Here's how to tell whether to go with a window a/c, portable unit, a ductless mini-spit, an evaporative cooler—or a combo of several.

Switching on air-conditioning during extreme heat doesn’t have to make us feel guilty—it can actually boost power grid ...

"Large shopping centers, warehouses, schools" are all potential users of the groundbreaking technology. Scientists develop ...

(We recommend window ACs versus portable ACs for most people, but if you can't fit a window unit in your home, check out our guide to the best portable air conditioners.) The LG LW1517IVSM Dual ...

Nearly 2 million of these air conditioners were sold at Costco, Home Depot, and more. Here's why they are recalled, model numbers and what to do.

Learn More › It had never crossed your mind that mold can grow inside an air conditioner, but since Midea’s recall of 1.7 million U and U+ window air conditioning units due to risk of mold exposure a ...