HVAC vs AC: What's the Difference? A Simple Introduction to HVAC Systems

In HVAC, How Much Do You Need To Learn?

Measuring the Refrigerant Level and Charging an Inverter Mini Split Unit! Possible Overcharging!

New HVAC Training Book On Refrigerant Charging, Airflow, & Troubleshooting! Step By Step Procedures!

How Do You Convey HVAC Knowledge Well? HVAC Teaching Techniques To Better Engage With Students!

Refrigerant Pressure & Temperature Correlation, P/T Chart!

Selecting a New TXV (Thermostatic Expansion Valve) to Replace a Bad One!

Comparing Galvanized Piping vs Black Iron Piping!