At GNR Corbus, we’re listening to the needs and expectations of our clients. We fully understand their concerns for air quality, energy saving and environmental protection, particularly for the use of environmentally friendly refrigerants and the use of geothermal solutions (renewable energy and clean) that reduce or eliminate, among other things, emissions of greenhouse gas emissions. Whether an air conditioning or heating, heat pump central air exchanger, or even a geothermal system, we offer products of high quality, effective, reliable and safe.

The GNR Corbus promise of quality service is backed by countless satisfied customers. In fact, whether for air conditioning systems, refrigeration, freezing, plumbing or heating, GNR Corbus has unparalled expertise. Our team is able to guide you in selecting and installing any type of commercial and industrial systems, 24 hours a day, 365 days a year! GNR Corbus also boasts a remarkable team of 60 technicians and more than 100 employees investing all their efforts daily to provide customized service, in line with your needs. A fleet of 65 trucks and vehicles allows us to serve any business or residential building in Sherbrooke, Granby, Cowansville, Magog, Drummondville or St-Hyacinthe. GNR Corbus takes the well-being of its customers to heart offering customized and conscientious service. Every advice and every service provided is the result of careful listening to our customers’ needs. We are therefore able to offer the best service, in line with your needs, your timeline and your budget. GNR Corbus offers quality, fast and reliable service. Set aside any preoccupation, choose quality and expertise! Choose GNR Corbus!