A portable air conditioner makes sense in certain spaces where a little extra cooling is needed but a central air conditioner doesn't make sense, like in a studio apartment or a small room.

Instead, I rely on a combination of five air ... room's pressure. This keeps hot outside air from seeping in to equalize the pressure. Our review of the Midea Duo Smart Inverter Portable Air ...

Some air cons will specify the size of the room they're best designed for, but as a guide, for a small bedroom, you'll need one that is 2.0–2.5kW. Check out our portable air conditioner buying guide ...

Air conditioners chill air by passing indoor air over evaporator coils, returning the chilled air to the room and exhausting the heat removed to the outside. The components of an air conditioner ...