A window air conditioner. The refrigerant circulates through the evaporator/cooling coil (blue), where it absorbs heat from the indoor air, making that air cooler. The refrigerant vapor then flows to the …

Jun 5, 2023 · All air conditioners, including your car's air conditioning, use refrigerants to cool warm air. Freon is just one type of AC refrigerant. But Freon isn't the only refrigerant, and not all air …

Aug 14, 2024 · R-22 refrigerant, also known by the brand name Freon, is still in use in some older air conditioners and heat pumps manufactured before 2010. It’s a hydrochlorofluorocarbon (HCFC) …

Apr 9, 2025 · Air conditioners are closed-loop, sealed systems. Under normal operation and proper installation conditions, your AC unit should never lose refrigerant. So, you should never need to add …

Feb 27, 2025 · What it is: R-22, also known as Freon, was once the most commonly used refrigerant in home air conditioners. It’s a hydrochlorofluorocarbon (HCFC) that was widely used due to its efficient …

Learn about Freon and Freon replacement, including the different types of Freon, how to know if your air conditioner needs Freon, and how often it needs to be replaced.

Jun 18, 2025 · From understanding how Freon works in AC units to government regulations, health risks, and modern alternatives, this guide addresses every critical aspect. Learn when a recharge or …

May 19, 2025 · Freon is a type of gas that helps cool the air in your air conditioner, refrigerator, and other cooling systems. It is a refrigerant, which means it absorbs heat from one place and moves it …

Jun 11, 2025 · Freon is a trademarked name referring to a class of refrigerant chemicals, most notably R-22, once commonly used in residential air conditioning. Refrigerants circulate through AC systems, …

In an air conditioner, Freon is used to transfer heat from the inside of your home to the outside in order to enable the cooling process. While Freon is a very efficient and effective refrigerant, it has been …