Many Americans are looking for the best deals on AC units as heat indexes continue to soar. Here's where to look during the ...

I tested seven highly rated portable air conditioners on the market, and only one kept me from melting into a puddle.

The Midea U and U+ window air conditioner units were recently recalled. Here are seven reliable replacements on Amazon from top brands like GE, LG, and Frigidaire. These window AC picks are all less e ...

Portable air conditioners offer a practical solution for rooms that don’t have built-in AC, and these options are on sale just as summer heat hits.

Air conditioners place a heavy burden on the grid when the weather gets hot, but this strategy shows they can actually ...

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.

Basic air-conditioner maintenance, such as regularly cleaning filters, can help prevent mold growth. Many window units have a ...