Keep cool by reading this guide and shopping for the latest in window air conditioner design and technology.

Over-the-sill air conditioners feature a unique design, but are they worth the cool cash? Use this guide to learn what we ...

Heat pumps and air conditioners are often confused due to their highly similar technologies, but there are some major differences between the two.

The first air conditioning systems were created by electrical engineer Willis Carrier in 1902 to solve a problem for a printing press in Brooklyn, New York, where humidity threatened to ruin the paper ...

After reinvigorating air conditioner compressors with digital inverters—lowering power usage and bolstering cooling—semiconductors are ready to enable intelligent air conditioning systems that can see ...

If you’re in the market for a premium portable air conditioner, you’ll find none better than the Whynter ARC-1230WN, which earned top marks in our larger tested review of the best portable AC units.