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Energy efficiency program - Renewable energy

Solar preheating

Énergir is offering a grant to encourage the purchase and installation of a solar air preheating system for space heating or processes and preheating water. By preheating the air or water supply, significant savings can be achieved on natural gas consumption. Highly efficient, these systems use free and renewable energy and help you reduce your greenhouse gas emissions.

Receive up to $200,000

The grant provided by Énergir for the solar air or water preheating program can reach up to $200,000. Énergir will pay $2 per cubic metre of natural gas saved toward the purchase and installation of a solar collector connected to a natural gas equipment.

Eligible solar thermal collectors list (PDF)

How to get the grant?

To learn about the eligibility criteria, the method for calculating the grant, as well as the program implementation steps, consult the Participant’s Guide. There you will find all the information you need, such as: program description and objectives, amount of grants, eligibility criteria, program implementation steps, and forms to be completed.

Consult the participant's guide

Savings to be had

If your company operates on extended hours and your preheated air or water requirements are high, solar thermal technologies are an excellent solution for reducing your energy costs. To maximize your savings, it is important to properly orient the solar collectors so that they avoid the shade and capture as much sun as possible.


Air Transat

In 2015, Air Transat installed a solar wall on its maintenance hangar located near the Montréal-Trudeau airport, thanks to a Solar Preheating Grant under Énergir’s Energy Efficiency Program – Renewable Energy. After four winters of use, this solar air preheating device has not only reduced the energy bill, it has also amortized the acquisition cost

Read the full case study

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* Conditions apply. Requests for financial assistance for a solar preheating project must be submitted to Énergir before the work begins and accompanied by the EXPRESSION OF INTEREST (FORM 1). For all of the eligibility criteria for this program, see the participant's guide. Program subject to change without notice.