A2L Refrigerants R-454B and R-32 Explained! Bottles, Changes, Rules, Tools!
14:50
R-32 and R-454B Checking the Refrigerant Charge Scenarios! Practice for HVAC Techs!
42:39
Checking the R-410A Refrigerant Charge! What to Watch Out For!
16:53
Wiring and Brazing A2L Equipment
21:05
Air Conditioner Troubleshooting! Connecting, Measuring, Fixing, Disconnecting!
11:32
Refrigerant Changes: What You Need to Know About A2Ls
17:29
The Top 7 Things AC Companies Don't Want You To Know How To Do!
10:03
Is Your A/C Unit About To Die? This Tool Doesn't Lie
1:02:01