A2L Refrigerants - What The Contractor Needs To Know
16:53
Wiring and Brazing A2L Equipment
1:02:01
"Flammable" Refrigerant Facts for Residential HVAC
50:18
Facility Manager's Guide: Transitioning from R410A to A2L Refrigerants R32 and R454B
18:21
THIS is Why Your Heat Bill is So High
21:05
Air Conditioner Troubleshooting! Connecting, Measuring, Fixing, Disconnecting!
22:15
A2L Refrigerants R-454B and R-32 Explained! Bottles, Changes, Rules, Tools!
1:10:37
HVAC Troubleshooting Part 1
11:02