AC Service Tech LLC

HVAC CONTACTOR Operation, Types, Ratings, Problems, Testing!

Troubleshooting all HVAC CIRCUIT BOARDS! Methodology and Procedures Used in the Field!

Gas Furnace Training Class! Basics, Operation, Components, Troubleshooting

How To Set & Adjust The ECM Fan Motor Speed on a Gas Furnace for Heat and AC to the Correct CFM!

Electrical Troubleshooting! Finding 8 Electrical Faults!

Step By Step Use of a VALVE CORE REMOVAL TOOL (VCRT) to Replace a Leaky Valve Core (Schrader Valve)

Checking the Refrigerant Charge on a Running R-410A Inverter MINI SPLIT Unit!

HVAC PUMP DOWN Procedure of Air Conditioner! STEP by STEP!

HEAT SEQUENCER Operation, Timing, & Testing

How an Air Handler & Heat Pump Work!

Charging R-410A Refrigerant Into An Air Conditioner Using Wireless Probes!

Showing TXV Operation with a Water Stream! Thermostatic Expansion Valve Explained!

Taco 6 ZONE Switching Relay Control Panel for Circulator Pumps on a Boiler! Wiring, Functions, Demo

Gas Furnace Direct Ignition GAS VALVE OPERATION! Pressures, Voltage, Tools, LP Propane, Natural Gas

Testing ECM Variable Speed Fan Motor, Make Your Own Tester!

Gas Furnace Training- Intermittent Pilot Ignition: Gas Valve, Spark, Module, Operation, Testing!

Gas Furnace Parts and Functions! Operation Explained!

Gas Furnace Training! Integrated Furnace Control (IFC) Circuit Board with ECM Motor & Wiring Diagram

Superheat and Subcooling Explained! How to Easily Understand!

Outdoor Heat Pump Electrical & Refrigerant Components Walkthrough! What They All Do!

Furnace Flame Sensor Testing and Flame Rectification Troubleshooting!

Top 4 Reasons Why a Gas Furnace Short Cycles! HVACR Service Call Troubleshooting Tips!

Fast Easy ECM FAN MOTOR Troubleshooting! ECM Blower Motors with Spade Terminals!

HVAC System Basics and Terminology for New Technicians!