HVAC Service Call- No A/C, Electrical Troubleshooting & Refrigerant Charge Check! Fixed!

R-22 and R-410a Refrigerant: Why the Vapor Gauge Pressure is too Low in Air Conditioning!

HVAC Electrical Troubleshooting! How to Find a Low Voltage Short!

Reading HVAC Electrical Wiring Diagrams for Troubleshooting!

Charging R-22 into an Air Conditioner that is VERY LOW on Refrigerant!

Refrigerant Charging: What it looks like to have a Bad TXV Compared to just a Low Charge!

No AC Service Call

No AC Service Call

No Cooling Service Calls. Easy Monday Before 4th Of July!

How HVAC Refrigerant Pressure Switches Work & Troubleshooting!

HVAC Silver Soldering vs Brazing vs Brazing While Flowing Nitrogen!

#1 Failure with Commercial HVAC

HVAC No Cooling Service Call WORST HELICOPTER EVER !!

No Cooling Service Call, A Gift From the installers

Air Handler Heat Strips Not Working, Fan Blower Won't Turn On! Common Problems!

Explaining Superheat and Subcooling to Your Apprentice!

Electrical Troubleshooting! Finding 8 Electrical Faults!

Troubleshooting Indicators for a Liquid Line Restriction, Low Airflow, Low Charge! Check the Charge!

No Cooling Service Call

How to use a multimeter like a pro! The Ultimate guide

How a Furnace Works - Furnace Sequence of Operation