The best portable air conditioners keep rooms cool and offer a degree of air filtration. We test for cooling ability, noise, ...

With temperatures on the rise, a portable air conditioner can help you stay cool — and one model has more than 32,000 five-star reviews on Amazon.

In a conventional air conditioner, the compressor—the component that creates cold air by transferring heat away from the refrigerant inside the unit—starts out at full blast and stays that way ...

If you’re looking for a reliable and cost-effective way to beat the heat, a 3-star air conditioner is your perfect match. These ACs offer a great blend of cooling performance, energy efficiency ...