What is a cooling refrigerant?

A refrigerant is a fluid used within a refrigeration or cooling system to transfer heat. The refrigerant is circulated and absorbs heat at low temperature and pressure and transfers this heat at high temperatures and pressure. Refrigerants are typically man-made fluorocarbon compounds but there are natural refrigerants including Ammonia, CO2, hydrocarbons, water and air. Within an air conditioning unit, the term ‘refrigerant charge’ is also used. This is the amount of refrigerant, measured in Kg within the cooling system.

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