How To Add Refrigerant To Window Ac Unit

So you should never need to recharge your air conditioner with more freon unless there s a leak.

How to add refrigerant to window ac unit. When this happens the unit will need to be recharged by adding freon. These units use freon to create cool air. In this article we use the word freon and refrigerant interchangeably. Open the valve on the recharge hose which will add refrigerant to the system.

Freon is a brand name of refrigerant that has come to be used generically to mean any refrigerant. Adding more refrigerant to a unit with dirty parts can damage the ac. When your window ac unit stops blowing cold air but is functioning properly in every other regard it is likely low on coolant. But the unit may just need a cleaning instead.

Freon is a refrigerant or coolant which helps your ac unit evaporate its internal heat and allows the air is expels to actually be cool. The freon is sent through a sealed tube and should not run out. Adding a bullet valve schrader valve a bullet valve is a quick and easy way to add a recharging port to an a c unit. Your ac s air filter blower wheel evaporator coil and condenser coil need to be cleaned before you charge your unit with more refrigerant.

This means that the unit will have to be recharged with a fresh infusion of coolant likely freon. Recharging refrigerant or fixing the leak is best left to certified hvac technicians. While this task is usually performed by a refrigeration mechanic a lay person can complete it by purchasing a freon kit. That isn t necessarily a given though.

Window air conditioners do not usually have a service port which is easily fixed with a low cost bullet valve. An ac doesn t use up refrigerant. Be sure to research what specific coolant your window air conditioner uses. Window air conditioning units are used by many to cool apartments homes rvs and offices.

Schedule or perform routine maintenance before adding more freon. However units get old and can develop leaks. Because of the ozone depleting pollutants in the refrigerant it s not a good idea to recharge a window ac unit yourself.