Leader in Commercial, Industrial, and Mission-Critial HVAC since 1927
Innovative HVAC strategies that turn operational challenges into profitable, sustainable projects for all proactive building owners.
For nearly 100 years
Kolostat embodies excellence, reliability and innovation in Canadian mechanical systems.
Founded on solid values and a reputation built on trust, Kolostat aims to create value for its customers’ real estate parks and industries, both for new-build and asset maintenance projects.
Our integrated, transparent approach based on solid expertise makes us a strategic partner for building owners seeking peace of mind and measurable results.
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 :
Our expertise
Your solution for all your integrated HVAC projects
Your energy efficiency and decarbonization solution
Decarbonizing real estate portfolios
Turnkey re-engineering of HVAC systems
Energy efficiency and guaranteed performance
Discover all our expertise
Our approach
300+
specialized experts
Kolostat employs over 300 engineers, technologists, experienced technicians and certified professionals (LEED, CEM, CMVP, RCx).
This diversity of expertise guarantees comprehensive and rigorous management of your mechanical and energy projects.
2,000+
projects completed at
across Canada
With an established national presence through our offices in Montreal, Laval, Toronto and Mississauga, Kolostat supports a diverse corporate clientele across Canada with consistency and precision.
65,000
tonnes of GHGs avoided
Thanks to its integrated energy efficiency and decarbonization solutions, Kolostat generates substantial savings for its customers while reducing their carbon footprint. The cumulative impact is equivalent to taking 18,000 vehicles off the road every year, a concrete demonstration of our commitment to a sustainable future.