The Customer Portal

ComfortSystems offers a free online bill pay system in the Customer Service Portal.  You can setup an account, view your bills and consumption.  There is an option to make a one-time payment or setup recurring credit card payments.

As a first-time user, select the link that says "Create User Profile"

Enter these credentials

  • Account Number: (including any dashes (i.e. 123456789-001))
  • Last Name: Your Full Last Name
  • Full Name: Full Name including Last Name exactly as it appears on your bill

Need more assistance? View the full walk-through Tutorial: 




Go to the Portal



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