Multi-Point Preventive Maintenance Checks

Air Conditioning 15 Point Preventive Maintenance

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  • Install gauges and check operating pressures
  • Check capacitors and amp draw on all motors w/ meter
  • Check air temperature drop across evaporator
  • Check for adequate refrigerant charge and possible leaks
  • Check pressure/lockout controls for proper operation
  • Check outdoor condensing coil (Clean if necessary)
  • Check compressor contactor for pitting
  • Check indoor evaporator coil (Clean and sanitize)
  • Check indoor blower motor and wheel (Clean if necessary)
  • Clean air filter/replace
  • Lubricate all moving parts
  • Check and adjust thermostat
  • Check all wiring and connections
  • Check and flush condensate drain
  • Open up all ceiling diffusers & remove plastic from around filter grill (attic system)

Heat Pump 17 Point Preventive Maintenance

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  • Install gauges and check operating pressures
  • Check capacitors and amp draw on all motors w/ meter
  • Check air temperature drop across evaporator
  • Check for adequate refrigerant charge and possible leaks
  • Check pressure/lockout controls for proper operation
  • Check outdoor condensing coil (Clean if necessary)
  • Check compressor contactor for pitting
  • Check indoor evaporator coil (Clean and sanitize)
  • Check indoor blower motor and wheel (Clean if necessary)
  • Clean air filter/replace  •Lubricate all moving parts
  • Check defrost cycle (winter)
  • Check and adjust thermostat
  • Check all wiring and connections 
  • Check and flush condensate drain
  • Check switching of reversing valve
  • Check elect. auxiliary heat (Winter)

Oil Heating 16 Point Preventive Maintenance

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  • Clean burner & nozzle assembly  
  • Check all safety and limit controls
  • Check and set ignition gap   
  • Clean fire box & flues
  • Check & replace oil nozzle  
  • Check draft
  • Check out complete furnace/boiler cycle
  • Inspect heat exchanger
  • Check indoor blower motor and wheel (Clean if necessary)   
  • Lubricate all moving parts.   
  • Check combustion
  • Check and adjust thermostat.     
  • Clean air filter/replace (Furnace) or Drain expansion tank (Boiler)   
  • Inspect power venter and/or flue piping (clean if necessary)   
  • Check & clean oil pump screen   
  • Check & replace oil filter

Gas Heating 15 Point Preventive Maintenance

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  • Check gas pressure
  • Clean burners
  • Check draft inducer motor   
  • Check pilot & thermo-couple assembly
  • Check hot surface igniter or spark ignition
  • Check complete furnace/boiler cycle
  • Check indoor blower motor and wheel (Clean if necessary)  
  • Check all safety and limit controls
  • Lubricate all moving parts   
  • Inspect heat exchanger
  • Check and adjust thermostat   
  • Check and flush furnace drain   
  • Check for gas leaks
  • Check venting system
  • Clean air filter/replace (furnace) or Drain expansion tank (boiler)