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 ...

Choosing an air conditioner can be tricky; fortunately, consumer reviews exist. Based on feedback from customers, one can see ...

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 ...