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 ...

We tested seven of the top window AC models over several months and after rigorous cooling, we found two that stood out from ...

These window air conditioners are made for 250- to 350-square-foot rooms. Some of the highest-scoring models also include ...