Although your AC unit should be away from open and sunlit windows, there is an exception to this rule if you have a window air conditioner. A window air conditioner is exactly what you’d expect ...

You'll want to measure your window before purchasing your AC to ensure the slider will fit. Noise: No one expects an air conditioner to be silent, but you'll want a unit with minimal noise output ...

especially if you can’t really install one of the split units that are out there, which is why portable and window ACs are a good option. Luckily, pretty much all the big air conditioner brands ...

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 ...