Grants for a solar air preheating system

Énergir is offering a grant to encourage the purchase and installation of a solar air preheating system for space heating. By preheating the air supply to a ventilation system, significant savings can be achieved on the consumption of natural gas needed to heat the fresh air.

Benefits of the program

Reduce your costs and your environmental footprint

Highly efficient, a solar fresh air preheating system produces free and renewable energy and helps you reduce your greenhouse gas emissions.

Grant amount

Receive up to $200,000

The grant accorded by Énergir under this program may reach up to $200,000. Énergir will pay a grant of $2 per cubic metre of natural gas saved toward the purchase and installation of a solar collector connected to a natural gas ventilation system.

Eligible solar thermal collectors list (PDF)

How to get the grant

See the participant's guide

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.

Participant's guide


* 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.