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Maintenance Program

SAVE On Your Energy Bills

Sign Up for the Marsh Maintenance Program!

Why Preventive Maintenance?

Engaging in a residential preventive maintenance contract ensures that your HVAC equipment is thoroughly inspected on an annual basis (as recommended by all equipment manufacturers) so it will operate at optimal performance providing efficiency and safety. HVAC equipment that operates efficiently reduces your heating and cooling bills and prolongs equipment life to ensure maximum safety and economy as well as improving air quality.

5 Reasons to Secure a Preventive Maintenance Contract thru Marsh Heating

  1. Reduces your heating and cooling bills
  2. Gives you PRIORITY emergency service
  3. Prolongs equipment life
  4. Provides a discount for all repairs, filters, and parts
  5. Assures your maximum safety

Residential Furnace Maintenance

  • Check heat exchanger for cracks or leaks
  • Check for carbon monoxide (CO)
  • Inspect and clean main burner
  • Inspect/clean igniter and flame sensor
  • Check blower motor
  • Check furnace  filter
  • Check operating and safety controls
  • Inspect furnace exhaust ventilation
  • Make necessary adjustments for efficient operation


  1. Check compressor operation and efficiency
  2. Check refrigerant charge
  3. Check and adjust fan speed.
  4. Check blower motor
  5. Check  furnace filter
  6. Check/clean drain line
  7. Check evaporator coil efficiency and discharge air temperature
  8. Test complete system operation
  9. Make necessary adjustments for efficient operation
  10. Check and clean condenser using CO2 or standard water pressure

Humidifier Maintenance

  • Clean inside of humidifier
  • Check operation
  • Clean/check drain line
  • Replace humidifier pad (pad not included unless noted)


  • Clean Filter
  • Clean/check drain line (if applicable)

  • Clean air intake screens (if accessible)

  • Check Operation

Electronic Air Cleaner Maintenance

  • Check operation
  • Clean cells (additional cost)

UV Light Maintenance

  • Check operation
  • Replace bulbs every 2 years (Bulbs not included unless noted)

Pure Air Maintenance

  • Check operation of UV light
  • Replace filter every year
  • Replace bulbs every  years 
  • Replace titanium core every  year

Zone System

  • Check operation of all dampers & controls

Contact Us

Call us at 763-536-0667 today to start saving on your heating and cooling bills!