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Commercial Custom Retrofit Program

Reduce energy costs with incentives for high-efficiency upgrades

The Commercial Custom Retrofit Program helps you cut energy costs and boost comfort with generous incentives for high-efficiency upgrades. Whether you're retrofitting HVAC systems or optimizing controls, we’ll support your project every step of the way—so you can reduce emissions, improve performance, and see faster payback.

Incentives for custom retrofit projects

Explore tailored incentives designed to support your energy efficiency upgrades across commercial, institutional, and limited-time opportunities.

  • Based on natural gas savings determined through engineering calculations
  • Covers a wide range of retrofit projects
  • Ideal for complex or multi-measure projects

For general commercial facilities

Year-round incentives

Incentives are available from January to December to help you speed up ROI.

Get up to $0.40/m3
of natural gas saved, up to 75% of upgrade costs.1

For institutions only

Year-round incentives

Enjoy incentives all year to help accelerate your return on investment.

Get up to $0.40/m3
of natural gas saved, up to 75% of upgrade costs.2

Types of retrofit projects

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Building automation systems

Fan

Ventilation equipment and control upgrades

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Heat recovery

Water drop

Steam system efficiency enhancements

Variable Frequency Drives

Variable frequency drives

Cover of Energy Conversation Program brochure

Download the 2026 Energy Conservation Programs Brochure

Find program details, incentives, and steps to start your retrofit project.

Download brochure

Is your project eligible?

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    Commercial buildings and facilities such as business, multi-unit residential, educational and institutional buildings.

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    Located in the Enbridge Gas service area, including areas previously served by Union Gas.

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    Project eligibility must first be confirmed by an Enbridge Gas Energy Solutions Advisor.

We’re here to help you plan, prioritize and succeed

  • Magnifying glass

    Identify and help prioritize energy projects.

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    Provide technical support on new technologies and processes.

  • Calculator

    Calculate savings estimates on all energy sources to support your business case.

  • Dollar sign

    Pre-qualify projects for incentives to offset incremental costs and speed up payback.

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Incentives designed for multi-residential projects

Our program supports commercial and affordable multi-residential buildings with incentives for eligible retrofit projects. Learn what's available.

See details

How it works

Your ESA will work with you to identify opportunities, develop an energy efficiency plan and maximize available incentives.

1. Identify projects

We’ll conduct a site assessment or provide incentives for a third party to uncover and maximize energy-saving opportunities.

2. Quantify incentives

We’ll provide technical support to optimize energy savings, build a business case, overcome barriers and calculate incentives.

3. Qualify projects

Once your internal approvals are secured, send us a confirmation of the final project details and timelines, and we’ll confirm incentive eligibility.

4. Receive incentives

After commissioning, we'll work with you to gather and submit the required paperwork. You can expect to receive your incentive within eight weeks.

Connect with an Energy Solutions Advisor

We’ll help you find ongoing savings and get your project underway.

We are currently experiencing technical issues with the Connect with Energy Solutions Advisor form. We apologize for the inconvenience and are actively working on a resolution.



* Institutional customers include universities, colleges, hospitals, military bases and district energy providers.

Terms and Conditions: 
Contact an Enbridge Gas Energy Solutions Advisor to confirm your project’s eligibility. All Commercial Custom Retrofit projects must be pre-approved by Enbridge Gas to qualify for incentives. HST will not be included in incentive payments. Incentives are only made available to customers where Enbridge Gas energy efficiency offer(s) have impacted the customer’s decision to proceed with the improvement(s). Incentive cannot exceed 75 percent of the energy efficiency upgrade costs (‘upgrade costs’ refer to the difference between the equipment and implementation costs of the energy-efficient option and those of the alternate option considered), to a maximum of $100,000 per project (for institutional customers, to a maximum of $500,000 per project). For all Enbridge Gas special offers/campaigns for commercial customers, please refer to the special offer/campaign terms and conditions for eligibility criteria, incentive rate and incentive maximum.

1 Upgrade costs refer to the difference between the equipment and implementation costs of the energy-efficient option and those of the alternate option considered. Incentive cannot exceed 75 percent of the energy efficiency upgrade costs, to a maximum of $100,000 per project.

2 Upgrade costs refer to the difference between the equipment and implementation costs of the energy-efficient option and those of the alternate option considered. Incentive cannot exceed 75 percent of the energy efficiency upgrade costs, to a maximum of $500,000 per project.

Disclaimers:
†Any references to energy savings is based on the assumption that the participant is reducing their natural gas consumption through participation in the Commercial Custom Retrofit Program. The savings claim for the featured case study is provided for informational purposes only and is based on estimated natural gas savings of 73,802 at $0.30/m3. These projections are specific to this example, and actual savings may vary for each project.