This is our basic list for maintenance checks.

HVAC Maintenance Service
  • Air Filter Clean
  • Inspect Air Filter Housing & Air Seal
  • Test Safety Control Operations, Control Sequences & Test Ranges
  • Test Thermostat Operation
  • Test & Inspect Drain Pan Safety Switches
  • Test & Inspect Unit Safety Switch
  • Inspect Electrical Disconnect Box
  • Check Equipment Grounding
  • Measure & Record Line Voltage
  • Inspect & Test Contactors & Relays
  • Inspect Electrical Connections & Wire
  • Inspect All Stand Alone Capacitors
  • Measure & Record AMP Draw To Blower
  • Motor/Nameplate Data (FLA) As Available
  • Blower Motor AMPs
  • Blower Motor Volts
  • Inspect Fan Belt Tension
  • Inspect Belt & Pulleys For Wear & Tear
  • Inspect Fan Blade & Blower Wheel
  • Connection To Blower Motor Shaft
  • Measure & Record Amp Draw On Condensor Fan Motor
  • Condenser Fan Motor Amps
  • Condenser Fan Motor Volts
  • Inspect & Clean Condensate Drain & Traps
  • Inspect Drain Pan & Accessible Drain Line For Biological Growth
  • Test Condensate Pump
  • Inspect Condensate Blowing From Coil Into Cabinet
  • Measure & Record TD Across Evaporator Coil
  • Record Indoor Coil Entering Temperature
  • Record Indoor Leaving Temperature
  • Inspect Coil fins Inspect Accessible Refrigerant Lines For Oil Leaks
  • Inspect Refrigerant Line Insulation
  • Measure Pressure Drop across Coil
  • Inspect Indoor Coil And Blower Wheel For Dirt Buildup If Accessible
  • Inspect Outdoor Coil For Dirt Buildup
  • Record Outdoor Coil Entering Temperature
  • Record Outdoor Coil Leaving Temperature
  • Record Compressor AMPs
  • Record Compressor Volts
  • Record Suction PSIG
  • Record Discharge PSIG
  • Record Superheat
  • Heat Pump: Test Reversing Valve
  • Heat Pump: Measure & Record System Refrigeration
  • Charge In Heating When TD Is Out Of Specifications
  • Heat Pump: Test Defrost Cycle
  • Heat Pump: Inspect Outdoor Unit
  • Condensate Drain Ports
HVAC with Gas Furnace Service
  • Air Filter Clean
  • Inspect Air Filter Housing & Air Seal
  • Test Safety Control Operations, Control Sequences & Test Ranges
  • Test Thermostat Operation
  • Test & Inspect Drain Pan Safety Switches
  • Test & Inspect Unit Safety switch
  • Inspect Electrical Disconnect Box
  • Check Equipment Grounding
  • Measure & Record Line Voltage
  • Inspect & Test Contactors & Relays
  • Inspect Electrical connections & Wire
  • Inspect All Stand Alone Capacitors
  • Measure & Record AMP Draw To Blower
  • Motor/Nameplate Data (FLA) As Available
  • Blower Motor AMPs
  • Blower Motor Volts
  • Inspect Fan Belt Tension
  • Inspect Belt & Pulleys For Wear & Tear
  • Inspect Fan Blade & Blower Wheel
  • Connection To Blower Motor Shaft
  • Test VFD For Poper Operation
  • Test Inducer Fan & Blower Assembly
  • Inspect & Clean Condensate Drain &
  • Traps
  • Test Condensate Pump
  • Inspect Burner & Flue For Water,
  • Corrosion & Blockage
  • Test Main Burner Ignition
  • Test Burners
  • Inspect Heat Exchanger For Signs Of
  • Corrosion, Structural Problems Erratic Flame
  • Inspect & Record OHM Reading On Hot
  • Surface Igniter
  • Measure & Record Inlet Gas Pressure
  • Test & Inspect Inducer Fan Motor & Blower Assembly
  • Inspect Vent Exhaust
  • Inspect Vent Connectors
  • Inspect Inlet & Exhaust Vent Pipe
  • Inspect For Combustible Materials Near Venting Or Pipe
  • Inspect Visible Fuel Connections