12 votes
Accepted

How do A/C professionals dispose of refrigerant?

When I got my Refrigerant Handling Certification from MACS many years ago, we were sworn to use a proper recycling machine, which captured everything and filtered out air, oils, and moisture. The ...
SteveRacer's user avatar
  • 12.4k
5 votes
Accepted

Is it bad to mix different refrigerants?

There is no difference between brands of R134A, unless there is some additive in it which will be stated on the label. Some include leak sealer, never use this, ever. The only real difference is ...
Moab's user avatar
  • 7,990
1 vote

Necessary tools or caveats for working on R12 AC

I ended up using one of the can taps that attaches on the top, with a metal cap containing an O-ring so that the can could be sealed at the threaded connection, beyond the minimal level of seal ...
R.. GitHub STOP HELPING ICE's user avatar

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