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

hazard icon over a with gas-leak apparatus

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

businessman icon over two business owners in hardhats  looking at a laptop

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

money icon over bills stacked on a keyboard

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

laptop icon over someone typing at a laptop

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

mailbox icon over mail being delivered

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

excavator icon, forman on cellphone behind
Ontario Onecall logo

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.

By Email

hands typing at akeyboard

Account Manager Contact Us

Please complete the email form below to contact Union Gas regarding non-urgent inquiries. This mailbox is monitored and replies are issued within 5 business days.

Natural Gas Emergencies: For gas odour, leak, low pressure, service line damage or any other safety concern, please call 1-877-969-0999 immediately

 *  Indicates a required field.

*
Contact Information
*
*
*
*
Message

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.