A2L Refrigerants R-454B and R-32 Explained! Bottles, Changes, Rules, Tools!
3:10
Installing a Mini Split Wall Bracket and Mounting the Unit!
14:50
R-32 and R-454B Checking the Refrigerant Charge Scenarios! Practice for HVAC Techs!
1:02:01
"Flammable" Refrigerant Facts for Residential HVAC
27:12
40 VACUUM PROCEDURE TIPS for HVAC Techs! Avoid Frustration and Save Time!
7:48
A2L Mitigation System "First Look"
33:46
Charging R-410A Refrigerant Into An Air Conditioner Using Wireless Probes!
10:03
Is Your A/C Unit About To Die? This Tool Doesn't Lie
28:20