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!
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