The basic facts about air conditioning

Air conditioning for cooling

In this example of an air conditioning split system which comprises an indoor and an outdoor unit, connected together by small copper tubing, in summer, the indoor unit extracts heat from the room and exhausts it via the outdoor unit through heat exchange coils and the principle of pumped refrigerant gas.

Air conditioning for heating

In winter, the reverse occurs. Natural heat, which is present in the outdoor air - even when it's cold is extracted and transferred indoors. Air conditioners that are able to heat and cool are known as heat pump systems. A heat pump system can be less expensive to run than traditional central heating.