Payment Options

ComfortSystems offers many free bill pay options. Find a bill pay solution that works for you:

Pay Online: using the Customer Portal 

Automatic Payments: Save Money. Save Time. Save Energy.

Pay by Mail: Send a check or money order to:

PO Box 860643
Minneapolis, MN 55486-0643

Pay in Person: Visit our office location at: 

520 Garfield Ave
Duluth, MN, 55802.

8:30am - 4:00pm Monday - Friday (Excluding Government Holidays)

Dropbox: Two locations:

Available 24 hours: 520 Garfield Ave Duluth, MN, 55802

8:30am - 4:00pm: City Hall - Inside Auditors Office 

Cards We Accept:

A $30.00 processing fee will be charged on all returned payments.


24 Hour Emergency Numbers

Street, Water, Sewer:


Natural Gas:


811 - Know what's below. Call before you dig.
Home | About My Bill | Account Management | Safety | Appliance Service | Conservation | Utility Services | Contact Us | Policy | SiteMap | City of Duluth
520 Garfield Avenue | Duluth, Minnesota 55802
Phone: 218.730.4050