THE DEFINITIVE GUIDE TO PORTABLE AIR COOLER

An air conditioner requires in sizzling air from round the place (or exterior) and passes it about coils full of coolant. The coils extract warmth in the air, then blow this cooler air back in to the area. An AC unit exhausts its heat out the back again on the system (window units) or via a ventilation tube (portable air conditioners).The Skyocean