So our first and best advice is to buy a window unit, which can be both cheaper and more effective at cooling a room. In our portable air conditioner tests, we measure how long it takes a unit to ...

But the best option is to have your ... and whether it’s maintained properly). Consumer Reports rates the predicted reliability of 22 central air conditioner brands, based on data that members ...

And with its relatively small price tag, it’s a CR Best Buy. If it’s time to buy a new window air conditioner, Consumer Reports can help you hone your search. We tested more than 40 window air ...