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Cases studies

Many of our business customers have taken advantage of our programs and grants to improve their energy efficiency and reduce their operating costs. In addition, a number of organizations have chosen dual energy to reduce their natural gas consumption and greenhouse gas emissions.See below for case studies illustrating the benefits of our decarbonization solutions.

Church Building 

St. Joachim’s Church in Pointe-Claire

When St. Joachim’s Church in Pointe-Claire decided to replace an aging gas boiler early in 2023, the administrators of this West Island Montreal church initially wanted all-electric but ended up going with dual-energy after exploring its many advantages. A look back at a successful conversion.


Pamplemousse Childcare Centre

To reduce its greenhouse gas (GHG) emissions and operating costs while extending the life of its existing natural gas boiler, Quebec City’s Pamplemousse Childcare Centre decided to convert to dual-energy—and the results speak for themselves.


Bridgetone plant

As part of Bridgestone Group’s global environmental objectives, the Bridgestone tire plant in Joliette, Quebec, has implemented a comprehensive decarbonization plan that made it possible to significantly reduce its CO2 emissions, as well as its operating costs.


Shawinigan Aluminium

To remain profitable in the long term, Shawinigan Aluminium had to reduce its raw material procurement costs and improve the environmental sustainability of its operations. To meet this challenge, it was able to rely on Énergir’s technical and financial support.


Lassonde plant in Saint-Damase

Wanting to improve its processes, the Lassonde plant in Saint-Damase—a major producer of fondue broth, sauces and soups for the North American market—opted for a solution that has improved its energy and environmental performance.

Social housing/healthcare

Maisons des aînés (MDA)

Designed as resident-focused living environments for seniors facing a loss of independence, MDAs must combine comfort, community and environmental sustainability. To that end, designers have implemented ingenious solutions that focus on energy efficiency and GHG reduction.


Buanderie Blanchelle

To improve its production capacity and optimize its energy efficiency, Buanderie Blanchelle, a company specializing in caring for hospital linens, wanted to invest in process equipment that would balance high output with high energy efficiency.

Multi-tenant buildings

Canadian Apartment Properties REIT (CAPREIT)

Learn how CAPREIT has reduced GHG emissions in some of its buildings by 66% through a combination of energy efficiency and decarbonization measures and strategies.


Collège de Lévis

At Collège de Lévis, heating was supplied by boilers from 1970. This equipment, which was not modular and had a capacity greater than the building's actual needs, used up too much energy. Beyond that, the steam system was causing overheating and significant energy loss.



Producing more paper without consuming more energy has always been a concern and value for Cascades, the world's leading pulp and paper company.



When Alcoa's Deschambault aluminum smelter, near Québec City, wanted to improve the ventilation of its casting centre, where liquid aluminum is transformed into ingots, it seized the opportunity to innovate by installing a solar wall that generated energy savings and reduced its greenhouse gas (GHG ) emissions.


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


CIBC Tower - Petra Group

When an architectural giant of the sixties needs liftan overhaul, the constraints and costs can add up quickly. But with assistance from , helped by the Énergir Grant for recommissioning building mechanical systems, the CIBC Tower got a new lease on life and obtained LEED certification..


Macdonald Campus - McGill University

For more than a century, a major part of McGill University's Macdonald Campus has been heated with steam produced on-site and distributed by energy-consuming installations. The time had come for an update, one based on efficiency and energy diversification.


City of Québec

Heating large spaces can often involve a great deal of energy loss. When building the Parc Chauveau indoor soccer complex, the goal was clear—ensure efficient heating and ventilation, excellent air quality, and especially a comfortable environment for the players, without overheating them.



The Fleurimont Hospital, now part of CHUS, was built in the 1960s and converted to natural gas in the 80s. At the time, the goal of the conversion was simply to save money and reduce pollution.



Énergir has worked alongside EBI on its biomethane and CNG projects from the very beginning. Moreover, Énergir subsidies helped EBI convert its fleet of vehicles to natural gas.


ESA, from the idea to the market

The start-up ESA had an idea: develop a new heat exchanger for heating poultry houses. Impressed by their innovation and the potential energy savings for our natural gas customers, Énergir awarded the project a grant as part of the Innovation Program.


Miels Labonté

Fondée en 1937, Miel Labonté s’est taillée une place de choix dans les épiceries du Québec avec ses produits de qualité et ses présentoirs attrayants. Pour répondre à la demande croissante, l’entreprise de Victoriaville devait moderniser sa production. C’est chose faite avec l’installation de séchoirs au gaz naturel, qui accélèrent de 25 % la préparation du miel.


Robert Paquette Autobus & Fils inc.

Fondée à l’été 1968 grâce à l’obtention de 6 contrats scolaires, Robert Paquette Autobus et Fils inc. compte aujourd’hui 140 véhicules et 140 ressources compétentes. L’entreprise dessert des écoles et des municipalités, mais offre aussi des services pour les voyages parascolaires et les groupes organisés.

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