Best Air Conditioners 2024 Uk 2024. £580 | check price at john lewis Portable air conditioners work in the same way as other air conditioning units with a coil of refrigerant that is cooled by a compressor, heats up when it comes in contact with indoor air, and then deposits that excess heat outside.
They work by removing the heat and expelling it out of the room. However, they will take up window space and are limited to one per room.