HVAC

»MONTHLY MAINTENANCE FOR A PTAC UNIT

»HOW TO PROPERLY TEST A COMPRESSOR WINDING

»HOW TO TEST AN AC CAPACITOR

»HOW TO PROPERLY TEST AN AC CONTACTOR

»HOW TO PROPERLY TEST A TRANSFORMER

»WHY IS MY THERMOSTAT BLANK?

»HOW TO WIRE A STRAIGHT COOL FURNACE/AC UNIT THERMOSTAT

»HOW TO WIRE A HEAT PUMP THERMOSTAT

»PROPER HVAC VACUUM PROCEDURE

»SUPERHEAT AND SUBCOOLING

»HEAT PUMP MANIFOLD EXPLAINED

»CHARGING AN R-410A UNIT

»FURNACE/AC HOW TO TROUBLESHOOT THE CONTROL BOARD

»TOP 10 FURNACE PROBLEMS