24/7 Emergency Service

Fall & Spring HVAC Maintenance Plans

A tune-up for your heating and cooling system prepares your home for the upcoming season. Lorenz Plumbing Heating & Air Conditioning performs all the cleanings and calibrations it takes to keep HVAC systems running reliably.

Call 417-863-1122 to enroll in our spring and fall maintenance plan!

Spring AC Tune-Up

 

  • Check operating pressures
  • Check voltage & amperage readings of motors
  • Check air temperature drop across coil
  • Lubricate all moving parts
  • Adjust belt tension if needed 
  • Clean evaporator coil 
  • Check pressure switches 
  • Check thermostat operation 
  • Check condensate drain 
  • Check high and low voltage 
  • Check contactor 
  • Check sub cooling & super heat 
  • Check compressor voltage and amp draws 
  • Check capacitor MFD 
  • Clean condenser coil 
  • Remove debris from condenser 
  • Clean electrical area 
  • Wash/Replace Filters 
  • Check indoor Delta-T 
  • Check defrost board 
  • Clean & polish condenser 

Fall Furnace Tune-Up

 

  • Inspect heat exchanger 
  • Check volts/amps blower motor 
  • Check blower wheel (clean if needed) 
  • Check circuit board for hot spots 
  • Check inducer motor volts/amps 
  • Check gas pressure 
  • Check carbon monoxide 
  • Vacuum burner area 
  • Check HSI and Spark ignitors 
  • Clean and adjust burners 
  • Check all safety controls 
  • Clean and adjust pilot assemblies 
  • Check for gas leaks 
  • Check volts/amps on heat strips 
  • Check ignition carry over 
  • Check temp rise 
  • Check flue 
  • Check and adjust belt if needed 
  • Check motor bearings 
  • Check heat anticipator on thermostat 
  • Clean and polish furnace/air handler

Spring AC Tune-Up

 

  • Check operating pressures
  • Check voltage & amperage readings of motors
  • Check air temperature drop across coil
  • Lubricate all moving parts
  • Adjust belt tension if needed 
  • Clean evaporator coil 
  • Check pressure switches 
  • Check thermostat operation 
  • Check condensate drain 
  • Check high and low voltage 
  • Check contactor 
  • Check sub cooling & super heat 
  • Check compressor voltage and amp draws 
  • Check capacitor MFD 
  • Clean condenser coil 
  • Remove debris from condenser 
  • Clean electrical area 
  • Wash/Replace Filters 
  • Check indoor Delta-T 
  • Check defrost board 
  • Clean & polish condenser 

Fall Furnace Tune-Up

  • Inspect heat exchanger 
  • Check volts/amps blower motor 
  • Check blower wheel (clean if needed) 
  • Check circuit board for hot spots 
  • Check inducer motor volts/amps 
  • Check gas pressure 
  • Check carbon monoxide 
  • Vacuum burner area 
  • Check HSI and Spark ignitors 
  • Clean and adjust burners 
  • Check all safety controls 
  • Clean and adjust pilot assemblies 
  • Check for gas leaks 
  • Check volts/amps on heat strips 
  • Check ignition carry over 
  • Check temp rise 
  • Check flue 
  • Check and adjust belt if needed 
  • Check motor bearings 
  • Check heat anticipator on thermostat 
  • Clean and polish furnace/air handler

Schedule a Service

At Lorenz, we’re your friends in plumbing, heating and air. We can help with emergencies 24 hours a day, 7 hours a week. Call or text 417-863-1122.