Freon is not only used in air conditioning units, but it has also been used in upright and chest freezers. As necessary as Freon is to the optimal performance of your your air conditioner, you do not want to handle a potential Freon problem yourself. It changes state from gas vapor to liquid as it collects heat from your house and ejects that heat to the outdoors. What this means to homeowners, for example, is if you had installed a new R-22 air conditioning system in the year 2002, you will be able to get R-22 refrigerant for your system until the year 2020 when it will no longer be produced. That’s because the low pressure in the can quickly lowers temperature. Air conditioning (often referred to as AC, A/C,) is the process of removing heat and moisture from the interior of an occupied space to improve the comfort of occupants. Most newer AC units use a refrigerant called R410A, or Puron. Air Conditioner Refrigerant or Air Conditioner Freon. When your car’s air conditioning (AC) begins to lose power and doesn’t blow cool air, it may be time for an AC recharge. Air conditioning systems rely on movement and the change of state (evaporation and condensation) of refrigerants between an outdoor condenser coil and an indoor evaporator coil. Difference Between Refrigeration and Air Conditioning Process. This chemical is an HFC (hydrofluorocarbon), but has been shown not to harm the ozone and, since 2015, has become the standard for residential air conditioning. Hvac refrigerant has known to cause health problem and are toxic to human, so don’t staying near any appliance that is leaking air conditioner freons. On top of those, there are a large number of commercial and industrial appliances that use Freon in both food transportation and cold storage warehouses. A refrigerant is a unique substance in that it has a very low boiling point. do not listen to the scare tactics the government and ac guys talk .any refrigerant is flammable do the research. i have been using it for years takes about 100 bucks to fill my home r-22 unit , compare that to over 400 bucks for the refrigerant the gov and ac guys push. Contained within the coils of an air conditioner, these liquid agents cool and dehumidify indoor air. Air as a refrigerant. The average life expectancy of an air conditioning unit or heat pump is around 15 years. Even dehumidifiers use R-22. The tables contained on this page list approved refrigerant numbers from ANSI/ASHRAE 34-2019, Designation and Safety Classification of Refrigerants, the latest edition of Standard 34, which describes a shorthand way of naming refrigerants and assigns safety classifications based on toxicity and flammability data. Air has been used for residential, automobile, and piston- and turbine-powered aircraft air-conditioning and/or cooling. Every air conditioning system needs a refrigerant (also called a coolant) that actually creates the cool air -- that's the role of Freon. When your system was installed, the proper amount of refrigerant was added. Air conditioner refrigerant and human. For years, the most common refrigerant used in air-conditioning systems was R-22. It was discovered in the mid 1980s that the commonly used air conditioner refrigerant has a damaging impact on the ozone layer. Although there are various types of refrigerants, R-32 is a new refrigerant currently receiving the most interest. In air-cooled AC systems, refrigerant is the substance inside your air conditioner’s coils that does the job of removing heat from the air in your space.