Customer Contact Centre—We’re Here to Help
Find Union Gas contact information, connect with an Account Manager, log in to your account, access business-related energy information and more. This section is designed to provide the personalized support and information you want, when you want it—all beginning at this one quick and easy online location.
Emergencies
1-877-969-0999
Call us 24-hours a day if you suspect a natural gas leak or a build-up of carbon monoxide.
Your Account Manager
Account managers are experts at identifying energy-saving opportunities and working with you to reduce your company’s energy costs.
Contact Account Manager
Billing & Service
For billing and service inquiries only.
Monday to Friday
8 a.m. to 6 p.m.
Send Us an Email
Call centre 1-888-774-3111
Online Accounts
MyAccount
For business customers who receive a monthly bill and have a 14-digit account number.
Log in or Register
Unionline
For business and institutional customers who have a Union Gas Account Manager and a distribution contract.
Log in or Register
By Mail
General Inquiries
Union Gas
PO Box 2001
Chatham, ON
N7M 5M1
Bill Payment
Union Gas
PO Box 4001, STN A
Toronto, ON
M5W 0G2
Before You Dig
1-800-400-2255
or visit Ontario One Call at
www.on1call.com
Contact Ontario One Call at least 5 days before digging to schedule their free locating service.
Looking for Quick Answers?
Union Gas makes it easy to find information about a variety of topics online. Simply determine which category of business or institutional customer you are below, then choose your topic of interest in the menu.