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Miller Heating & Cooling LLC

Professional-Quality Indoor Comfort 302-750-2409

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Preventative Maintenance
 What we perform at each maintenance
  • Clean or replace air filters
  • Check all electrical connections on HVAC equipment
  • Lubricate fan motor
  • Check capacitors
  • Check safety controls
  • Check thermostat operations
  • Measure voltage and amperage draw on all components
  • Check system for proper air flow
  • Check all air temperatures
  • Log all operations

Air Conditioning & Heat Pump Maintenance

  • Clean condenser unit (spring/summer service only)
  • Check operating pressure for proper refrigerant charge
  • Clear vegetation overgrowth surrounding outdoor unit
  • Check & clear condensate drains and pumps

Gas & Oil Furnace Maintenance

  • Clean heat exchanger, burners, & chimney base
  • Check and adjust pilot operations (gas) 
  • Check heat exchanger for cracks
  • Leak-test gas line from shutoff to burners
  • Replace filters, nozzles & strainers (oil)
  • Adjust burner operations
  • Check chimney operations
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