(678) 886-1307

Checklist for Service Technician Maintenance Visits:

Heat & Cool Inspections

  • ​Install clean filter
  • Check thermostat
  • Check all safety controls
  • Lubricate moving parts
  • Check belts & adjust tension
  • Check fan/blower rotation
  • Check temperature differential
  • Tighten electrical connections
  • Check blower wheel & motor
  • Check heating & cooling fan speeds
  • Check evaporator coil
  • Cleaning of dirty coil(s) is (additional charge)

Cooling Inspection

  • ​Check for correct refrigerant charge 
  • Check temperature differential across coil 
  • Check expansive device 
  • Check contactor 
  • Check start & run capacitors 
  • Clean condensate drain 
  • Check compressor time delay 
  • Check crankcase heater 
  • Check compressor efficiency


Heat Inspection

  • ​Check heat exchanger for cracks 
  • Check burners 
  • Check safety pilot 
  • Check for proper venting 
  • Check for gas leaks 
  • Check manifold gas pressure 
  • Check thermocouple output 
  • Check temperature rise at furnace 
  • Check fan control 
  • Check high limit control


Enter Information to Request FREE Quote

In addition to repairing and installing HVAC units, the professionals at MHS Home Services also provide regular maintenance services for heating and air conditioning systems. We offer maintenance services for residential and commercial property. Our technicians will help you avoid costly repairs and replacements by consistently maintaining your units at affordable rates.

Home Services