A leader in integrated solutions in Quebec and Ontario since 1927.
Expert in Building Mechanics and Commercial HVAC
Your partner for all your commercial HVAC projects
All our technicians and engineers have the necessary certifications (CMMTQ, RBQ) to deploy safe and sustainable HVAC solutions. We also integrate energy efficiency principles (LEED, Eco-performance) into the design of your HVAC systems.
Our expertise in HVAC services extends to a variety of demanding environments.
Whether for an office tower, an industrial complex or an institutional facility, we tailor our HVAC solutions to your industry’s strict standards.
Your solution for all your HVAC service needs
They trust us
Kolostat is proud to count renowned organizations among its customers, who trust us to optimize their mechanical infrastructures, reduce their energy footprint and achieve their sustainability objectives. Find out why market leaders choose Kolostat for reliable, innovative, high-performance building management.
Our current and past customers include :



































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