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Preventive Maintenance 

    Preventive Maintenance is conducted to keep equipment working and/or extend the life of the equipment. The primary goal of maintenance is to avoid or mitigate the consequences of failure of equipment. This may be by preventing the failure before it actually occurs which Planned Maintenance and Condition Based Maintenance help to achieve. It is designed to preserve and restore equipment reliability.


Preventative Maintenance for gas furnace provides the following:

  • Check Air Filters. Clean or replace as necessary.
  • Check & Clean Burners
  • Check Heat Exchanger
  • Check Vent Pipe & Duct Work
  • Check Air Flow
  • Check Thermostat
  • Check Safety Switches
  • Check Control Voltage
  • Check Elements & Wires
  • Check Furnace Operations
  • Check Inducer Motor & Housing
  • Check Gas Pressure
  • Oil & Inspect Blower Assembly
  • Make recommendations of any needed repairs.


Preventative Maintenance for heat pump provides the following:

  • Check air handler filters. Clean or replace as necessary. 
  • Check for adequate refrigerant charge. 
  • Check condenser and clean if necessary. 
  • Lubricate condenser fan motor.
  • Check condenser fan blades for tightness. 
  • Tighten electrical connections at equipment. 
  • Check voltage at unit under load. 
  • Check condensate drain for blockage. Clean as
  • necessary. 
  • Check blower belt for condition, tension, and alignment.
  • replace as necessary. 
  • Lubricate all bearings where applicable. 
  • Check blower for cleanliness. 
  • Check all safety controls. 
  • Inspect contactor points. 
  • Check thermostat. 
  • Inspect evaporator coil cleanliness. 
  • Check for vibration and noise. 
  • Check and record running and starting amperages. 
  • Check and record suction and discharge pressures. 
  • Check individual electric heating elements with amprobe. 
  • Check sequence control for proper operation.  
  • Check defrosts cycle. 
  • Check voltage at unit. 
  • Make recommendations of any needed repairs. 



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