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.

When it comes to which type of air conditioner you can buy for your tent, you can go with either a window air conditioner or ...

A portable air conditioner is a reliable and versatile way to beat the heat. We rounded up the seven best deals on portable ...

If you don’t want to deal with drainage hassles, and you’re looking for a relatively quiet portable air conditioner, you’ll ...

An expert shares how to find the best portable air conditioner to cool down for summer. Shop editor and shopper loved picks ...