Portable air conditioners account for almost 20 percent of the room air conditioner market, but our lab tests reveal that they deliver only mediocre performance. In fact, not a single model earns ...

That’s according to Consumer Reports’ car expert. Your car’s air conditioning works much better when you’re driving because ...

Just how much depends on the rates in your area and how you use your inverter AC. At Consumer Reports we test room air conditioners in a special climate-controlled chamber. We test three sizes of ...