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Preventive Maintenance – Clean & Checks

Be sure to have your system cleaned & checked for proper performance. A maintenance check for your furnace will make sure your system is working at the best possible efficiency for it’s age and condition.

Preventive Maintenance Checklist Items:

Split/Packaged Air Conditioning Systems

  • Clean or replace filters
  • Clean, inspect, and lubricate blower motor and wheel, if required
  • Check condition of the electrical wiring and tightness of terminals and connectors
  • Clean, inspect and lubricate condenser fan motor and blade, if required
  • Clean and inspect condenser coil
  • Inspect refrigerant piping
  • Check unit input voltage and current
  • Check sequence of operation
  • Check unit’s refrigerant pressures and temperatures, and charge
  • Check for proper airflow across the evaporator condenser coils
  • Check thermostat operation and accuracy

Gas – Fired Forced –Air Furnace

  • Clean or replace filters
  • Clean, inspect, and lubricate blower motor and wheel, if required
  • Check condition of the electrical wiring and tightness of terminal and connectors
  • Clean & inspect condensate drain system, if required
  • Check condition of vent system
  • Clean and inspect pilot/ignitor, if required
  • Clean & inspect burnders and heat exchanger
  • Check sequence of operation
  • Check pilot/burner operation
  • Check temperature rise across heat exchanger
  • Check thermostat heat anticipator, if required
  • Check safety control(high-temperature limit switch, induce-draft pressure switch, standing pilot shutoff, etc.)