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 ...

The best portable air conditioners keep rooms cool and offer a degree of air filtration. We test for cooling ability, noise, ...

However, if you’re going to buy an air conditioning system, getting a set of an air conditioner with an air filter is considerably better. The Whynter ARC-14S portable air conditioning system ...

Our experts say these portable AC units from brands like DeLonghi and Honeywell are worth buying. They're movable and keep your home cool and humidity-free.

The condensation your AC builds up after running on a hot day can be a pain with most portable units, but DREO has found an innovative solution.