How to Properly Diagnose a Failed TXV
27:04
What a TXV Does (and why techs need to stop replacing them with a piston)
20:22
Low AC Refrigerant Charge - How to be SURE (Does it really need Freon?)
41:45
Critical System Diagnosis for Residential HVAC
1:06:23
Impact of Airflow on Refrigerant Measurements and Performance
21:47
Refrigerant Overcharge Troubleshooting and Prevention
13:35
Liquid Line Restriction on AC Unit Explained! Found Bad TXV!
19:23
Troubleshooting the TXV
17:07