Commercial Preventative Maintenance

Piedmonmt Mechanial preventive maintenance service agreements covers all brands of rooftops, chillers, boilers, compressors, air-handler, cooling towers, pumps, variable speed drives, controls and accessories.

Each agreement is tailored to meet the budget and operating needs of your facility and can include both preventive maintenance to keep your equipment running in peak condition and predictive maintenance services to identify potential problems before costly breakdowns occur.

Preventative Maintenance Check List

  • Purchase Maintenance Agreement
  • Spring Inspection (A/C)


    Indoor Unit(s)

    circleCheck Filter, Replace if Necessary
    circleCheck Evaporator Coil
    circleOil Motor (if applicable)
    circleCheck T-Stat
    circleCheck Motor Amps
    circleCheck Wires and Connections
    circleCheck drains / blow clean
    circleService Condensate Pump
    circleCheck Ducts / Air Leakage



    Outdoor Unit(s)

    circleClean Condenser Coil
    circleCheck Freon
    circleCheck Contactor
    circleCheck Wires and Connections
    circleCheck Compressor Amps
    circleOil Motor(if applicable)
    circleRecord Delta-T



    Heat Pump(s)

    circleCheck Reversing Valve
    circleCheck Defrost Cycle
    circleCheck Heat Strips

    Fall Inspection (Heating)



    circleCheck Filter, Replace if Necessary
    circleDip Switch Set
    circleOil Motor (if applicable)
    circleClean Heat Exchanger
    circleCheck for Gas Leaks
    circleT-Stat
    circleCheck and Adjust burners
    circleCheck all Safety Controls
    circleClean Flame Sensor
    circleCheck Fan Control
    circleCheck Electronic Ignition / glow Coil
    circleCheck Flue Pipe for Corrosion
    circleCheck for Proper Draft
    circleCheck & Clean Humidifier