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.

Looking for an easy way to stay cool this summer? Don’t sweat it - literally! Portable air conditioning units are a game-changing solution to keep your space comfortable no matter where you are.