HVAC on Site -Troubleshooting, Common Failures & Task Testing

HVAC on Site -Troubleshooting, common failures & task testing- working on various systems, components, scenarios, diagnose gas and electric furnace failures, diagnose air flow issues on the supply side, identify return air problems, identify drain problems, identify thermostat problems, identify refrigerant system problems, also discussed will be tricks of the trade, fan propeller removal, capacitor replacement, parts locating, warranty work, thawing frozen coils, leak detection, circuit card replacement tips, float switch and condensate pumps, maintenance of residential air conditioning systems, maintenance of light commercial package units.