Pre Season Maintenance Checks
Mertz Heating & Cooling in Fenton, MO can help you with all your heating and cooling needs.

Preventive maintenance keeps your system running at peak, trouble free efficiency.

Our inspection includes the following checks:

  • Proper Voltage
  • Blower Assembly
  • For Clean Condenser Coil
  • Electric Strip Heaters
  • Proper Refrigerant
  • Visible Leaks
  • Pulleys & Belts
  • Vibration Noise
  • For Clean Indoor Coil
  • Fan Limit Switch
  • Thermostat
  • Heat Exchanger
  • Motors & Lubricate
  • Condensate Drain
  • Safety of System
  • Electrical Connections
  • Burners
  • Contactors & Relays


To schedule a maintenance check-up, call us at 314-200-6000 or send email to service@mertzheatingandcooling.com.