A/C blows, but it is hot
Registered User
Joined: Feb 2002
Posts: 244
From: Allentown,Pa.
Re: A/C blows, but it is hot
I have an A/C license, Freon is technically a name that's owned by DuPont-it refers to CFC's like R11,R12, & R500.
R-12 which was widely used in cars until the early 90's was illegal to manufacture after 1995 under the Montreal Protocol (1987), all nations that agreed to that protocol banned the manufacture. If you wondering Mexico does not follow the Protocol and still manufactures R12. R134a is a replacement for R12 but is incompatable with the mineral oils used with R12. you have to use an ester based oil for your compressor with R134a.
On to your problem, there's some good advice on here. Just see if your compressor is actually working. It may need a recharge. The BEST advice is to take it to a professional. Don't mess with refrigerants unless you are trained to.
BTW R12 is not banned outright, you can still buy it if you can find it. The reason its so expensive?? Has nothing to do with taxes, its supply and demand. It hasn't been made in 10 years so its bound to be pricey. However the only person who can legally buy MOST refrigerants is someone holding a license thanks to provisions in the clean air Act of 1990 (I think 1993 or 1994 is when it became law). The exception?? Our old freind R134a, its an HFC (Hydroflorocarbon) and has no chlorine and thus is not harmful to the ozone-so anyone can buy it (However this may change soon I've been told) It however DOES contribute to global warming so its illegal to vent it to atmosphere. Fines if you have a neighbor who hates you and sees you?? Up to $25,000 a day.
R-12 which was widely used in cars until the early 90's was illegal to manufacture after 1995 under the Montreal Protocol (1987), all nations that agreed to that protocol banned the manufacture. If you wondering Mexico does not follow the Protocol and still manufactures R12. R134a is a replacement for R12 but is incompatable with the mineral oils used with R12. you have to use an ester based oil for your compressor with R134a.
On to your problem, there's some good advice on here. Just see if your compressor is actually working. It may need a recharge. The BEST advice is to take it to a professional. Don't mess with refrigerants unless you are trained to.
BTW R12 is not banned outright, you can still buy it if you can find it. The reason its so expensive?? Has nothing to do with taxes, its supply and demand. It hasn't been made in 10 years so its bound to be pricey. However the only person who can legally buy MOST refrigerants is someone holding a license thanks to provisions in the clean air Act of 1990 (I think 1993 or 1994 is when it became law). The exception?? Our old freind R134a, its an HFC (Hydroflorocarbon) and has no chlorine and thus is not harmful to the ozone-so anyone can buy it (However this may change soon I've been told) It however DOES contribute to global warming so its illegal to vent it to atmosphere. Fines if you have a neighbor who hates you and sees you?? Up to $25,000 a day.
Registered User
Joined: Jun 2003
Posts: 866
From: So.Cal on the Best coast
Re: A/C blows, but it is hot
Thanks for the clarification,CFC's,HFC's are what I couldn't remember,and I guess I was alittle off base with the Freon name thing,I did think that was type of gas. Learn something new,every day. 
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