21:05 Air Conditioner Troubleshooting! Connecting, Measuring, Fixing, Disconnecting! AC Service Tech LLC 441.2K views - 1 year ago
6:12 HVAC Training Basics for New Technicians and Students! Refrigeration Cycle! AC Service Tech LLC 1.3M views - 3 years ago
1:20:49 Gas Furnace Training Class! Basics, Operation, Components, Troubleshooting AC Service Tech LLC 877.3K views - 3 years ago
16:06 HVAC CONTACTOR Operation, Types, Ratings, Problems, Testing! AC Service Tech LLC 174.8K views - 2 years ago
15:39 Air Handler with Electric Strip Heating: Operation and Troubleshooting! AC Service Tech LLC 601.6K views - 6 years ago
42:39 Checking the R-410A Refrigerant Charge! What to Watch Out For! AC Service Tech LLC 196.9K views - 1 year ago
5:41 Fast Easy ECM FAN MOTOR Troubleshooting! ECM Blower Motors with Spade Terminals! AC Service Tech LLC 326.9K views - 3 years ago
10:29 How the REVERSING VALVE Works in a Heat Pump! HVAC Training! AC Service Tech LLC 103.8K views - 5 years ago
18:48 Troubleshooting With Sat Temps, Superheat, & Subcooling! 5 Possible Problems!! AC Service Tech LLC 164.4K views - 1 year ago
8:32 Outdoor AC Unit Not Running, Not Turning On! Top 10 Problems! AC Service Tech LLC 763.2K views - 4 years ago
19:31 MINI SPLIT Parts Explained! Understand What They Do! AC Service Tech LLC 787.4K views - 4 years ago
26:04 Electrical Troubleshooting! Finding 8 Electrical Faults! AC Service Tech LLC 283.3K views - 4 years ago
15:36 Air Conditioner NOT Blowing Cold Air! Possible Problems Explained! AC Service Tech LLC 133.2K views - 6 months ago
37:15 HVAC Apprenticeship Class, Refrigeration Cycle, Superheat, Subcooling, Saturation, Parts, AC & Heat! AC Service Tech LLC 323K views - 3 years ago
7:42 Step By Step Use of a VALVE CORE REMOVAL TOOL (VCRT) to Replace a Leaky Valve Core (Schrader Valve) AC Service Tech LLC 29.4K views - 5 months ago
21:36 Gas Furnace Not Working? Initial Steps for Troubleshooting When The Furnace Does Not Turn On! AC Service Tech LLC 60.2K views - 3 months ago
21:45 HVAC Training Basics for New Techs: Gauges, Pressures, Temps, Check the Charge! AC Service Tech LLC 693.3K views - 5 years ago
12:35 R-410A AC Unit, Checking the Charge with Subcooling, Undercharged through Overcharged! AC Service Tech LLC 199.4K views - 4 years ago
13:35 Liquid Line Restriction on AC Unit Explained! Found Bad TXV! AC Service Tech LLC 456.5K views - 5 years ago