Steps to Vacuum and Charge Refrigerant on a Mini Split Unit!
HVACR General Purpose Switching Relays, How it Works, Troubleshooting!
HVACR Fan Switching Relay, How it Works, Voltage, Terminals, Troubleshooting!
Pressure Testing Gas Lines For Leaks! Natural Gas & LP Propane!
The Best Way to Find a Refrigerant Leak at the Port!
HVACR Refrigerant & Oil Charge Contaminated with Water? How?
HVAC Thermal Limit Switches, Safety Sensors, & Troubleshooting!
Top 10 Interview Tips to Land that HVACR Job!
WHAT PEOPLE SAY
"Craig is a phenomenal instructor. With the help of his teaching skills and training, I was able to get EPA Certified, find a job, and become a service tech!"
— Brandon P., New Jersey