The words Freon and Puron cause confusion for people who aren’t in the HVAC industry. They probably know they’re refrigerants, but that’s it. They may not know which type is in their air conditioning system and if it matters which one is in there.
For the most part, if you’re a homeowner it isn’t essential that you know the details about refrigerant types (called blends). Handling refrigerant is a job that only professionals licensed to work with air conditioning and other refrigeration equipment can do. However, there are a few facts about refrigerant (in particular, what Freon is) that are important to know if you have an older AC.
Below, we’ll go into the difference between Freon and Puron, as well as clear up a common misunderstanding about Freon.