How to Retrofit R-22 Systems to NU-22B - ICOR NU-22B - More Affordable than R-22
R-22 Air conditioner with a Freon leak. Leak repaired. Converted to R-422B/Nu-22B
Part 6, Pros and Cons of NU-22 Refrigerant
Replacement Refrigerant R422D
How to Tell What Refrigerant is in an AC Unit!
R-22 Conversion to R-438A M099, Reading Pressures, Adding Refrigerant, & Disconnect
System Charging - R22, Fixed Orifice, Low Charge
How to Use the Free Refrigerant Slider P/T App & R-22 Retrofit Comparisons
Converting a R22 system to R407c
Wireless Job Link Probes & Test Kit Use to Check a Refrigerant Charge!
Charging Refrigerant: Step by Step- Connecting Gauges, Checking the R410A Charge, How to Disconnect!
Does your air conditioner use R-22 refrigerant? Here's why you should care.
Drop-in Refrigerants for R22 Replacement
How To Add Freon / Refrigerant To Your Air Conditioner
HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting!
Replacing a 5 Ton Compressor. is that a Zoomlock in your Pocket or are u Just Happy to see me.
Season 3 | Episode 4: Three Options for Servicing Legacy R-22 AC Systems