No you cant vent r12 ethier they really dont want you venting any of those gases.

Answered by saturntech9 (expert)
23,181 answers provided

Yeah I know you can't vent r12 that was the first thing I learned I school.

Response from sean03
160 questions asked

Everytime the patent runs out on one of those gases they suddenly discover that it kills the ozone and have to come up with a new more expensive gas.Dupont's a smart rich company lol.

Answered by saturntech9 (expert)
23,181 answers provided

Yeah they are soon 410 will have an impact on global warming in another 6 to 10 years.

Response from sean03
160 questions asked

Probably lol

Answered by saturntech9 (expert)
23,181 answers provided