New HVAC Training Book, Refrigerant Charging & Service Procedures 2nd Edition!!

What is a COREMAX Valve and Port Assembly on HVAC Units?

Our New Sheet Metal Tool Invention and Process! Make Plenums, End Caps, Without S-Lock!

What is a Liquid Vaporizer for Refrigerant Charging? Make one Yourself!

HVAC Silver Soldering vs Brazing vs Brazing While Flowing Nitrogen!

10 Vacuum Pump Hose Setups Used on Air Conditioning Refrigerant Tubing! HVAC Training!

How is the CULTURE in Your HVAC Company? Important Topics for both Owners/Managers and Technicians!

TOP 5 CAUSES of Mini Split Heat Pump FAILURE!

Should You Replace a Bad TXV with a Piston? & TXV Diagnosis!

Air Conditioner Troubleshooting! Connecting, Measuring, Fixing, Disconnecting!

How to Replace a Piston with a TXV Metering Device! HVAC Service & Install Training!

Installing a Mini Split Wall Bracket and Mounting the Unit!

Checking the R-410A Refrigerant Charge! What to Watch Out For!

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

R-32 and R-454B Checking the Refrigerant Charge Scenarios! Practice for HVAC Techs!

Air Conditioning Basics Class! Airflow CFM, Sensible & Latent Heat, Dew Point, Condensate, Delta T!

Single Stage SCROLL Refrigerant Compressor Operation and Internal Parts Explained!

A2L Refrigerants R-454B and R-32 Explained! Bottles, Changes, Rules, Tools!

Troubleshooting With Sat Temps, Superheat, & Subcooling! 5 Possible Problems!!

Basics of Refrigerant Class! Bottles, Saturation, P/T Chart, Pressures, Temperatures

Copper Line Set Tube Corrosion and HVAC Refrigerant Leaks Explained!

LEV/EEV Electric Expansion Valve Operation and Troubleshooting! HVAC Metering Devices!

Multi-Zone Mini Split, Mini-VRF, and VRF System Differences Explained!

Automatic Air Vent Operation and Servicing on Hydronic Heat Boiler Systems!

ECM Fan Motor Won't Turn On or Won't Shut Off on HVAC Unit! Testing the Board and Fan Motor!

Gas Valve Types and Operation on GAS FURNACES!

How to Remove a Mini Split Fan Wheel!

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

Honeywell Smart Valve Operation, Testing, Wiring! HVAC Gas Furnace Training!

Most Common and Basic Problem on High Efficiency Furnaces!