Environmental Systems Associates Maintenance Agreement

Let us help you keep your system working at top performance during heat waves and cold snaps with our Planned Maintenance Agreement.

Planned Maintenance Benefits

  • All types of heat pump systems, gas furnaces, and central air-conditioners.
  • Includes a 10% discount on parts and labor for repairs.
  • Includes a 12 point seasonal maintenance call twice a year.
  • We contact you for maintenance calls so you do not need to worry about remembering.
  • Priority service is provided to contract customers.

Planned Maintenance Services

  • Check all components for proper operation.
  • Check refrigerant pressures (Air Conditioners in cooling season only, Heat Pumps at each inspection).
  • Check and tighten electrical connections.
  • Lubricate motors and bearings as necessary.
  • Wash permanent filters, change standard disposable filters (labor and filter) or change an Aprilaire Spacegard filter (labor only).
  • Check static pressure for proper air flow (once a year).
  • Check heat exchanger for cracks (heating season only).
  • Brush clean condenser and evaporator coils as necessary.
  • Check condensate pan and clean condensate line. (Lines under a slab are not covered).
  • Check belts (if applicable) for proper condition and tensions.
  • Check thermostat operation.
  • Check system and safety controls for proper operation.


Additional Coverage Options

Additional Coverage Options include labor only. Additional fees apply per product, per service.


  • Clean and drain – cooling season maintenance calls only
  • Check operation – heating season maintenance calls only

Electronic Air Cleaner

  • Clean the cells and pre-filters at each maintenance call


To learn more about the Environmental Systems Associates Planned Maintenance Agreement, call us at 410-381-7991 and speak with one of our HVAC experts.