Appliance Service

Furnace Cleanings 

Your furnace cleaning is only a click away.  Schedule your furnace cleaning online! Furnace cleanings can also be scheduled using the furnace cleaning button in the ComfortSystems customer portal.

Furnace cleanings scheduled online provide customers with an email confirmation, text and email reminders the day of your cleaning, and follow up reviews to provide feedback about your appliance service repair or maintenance.

furnace cleaning technician

Furnace Cleaning

Furnace Cleanings are billed at an hourly labor rate.  See our rates page for more information. Rates Page
If you are interested in a free yearly cleaning along with reduced or free labor and parts for emergency repairs, consider signing up for our Comfort Policy.  Click the button for more information on our Comfort Policy page. Comfort Policy

Emergency Service Available 24 Hours 

24 hour emergency and scheduled repair services for all of your residential natural gas appliances including:

  • Furnaces
  • Warm Air Boilers
  • Water Heaters
  • Ranges
  • Dryers
  • Fireplaces
  • Grills
  • Space Heaters
  • *Limited Commercial Appliances
  • *Limited Unit Heaters

For an Emergency Repair Call: 218-730-4100

Scheduled Appliance Service

Need a repair? New gas line for a stove? Use our online scheduling tool to schedule your appointment during regular business hours.  If you need an appointment outside of regular business hours, please call 218-730-4050 or use the contact us button below.

Appliance Service

Questions, Comments or Concerns

If you have questions, comments or concerns about our appliance service offerings, furnace cleaning appointments, or our Comfort Policy Maintenance Program click the contact us button to send us an email.

Contact Us


24 Hour Emergency Numbers

Street, Water, Sewer:


Natural Gas:


811 - Know what's below. Call before you dig.
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520 Garfield Avenue | Duluth, Minnesota 55802
Phone: 218.730.4050