Horticulture
Industrial
Technology
Commercial
Institutional
Horticulture
Industrial
High Technology
Commercial
Institutional
Turnkey World-Class HVAC Design-Build Solutions
Kolostat specializes in all aspects of the mechanical systems that run buildings. Our multidisciplinary team is skilled in delivering bid & spec and design-build projects, as well as providing service and preventive maintenance for your HVAC systems.
Kolostat is trusted by

Combustion Services
Preventive Maintenance
Grant Optimization
For close to a century, Kolostat has developed a sought after reputation of excellence and professionalism in the commercial HVAC and industrial fields, including ventilation, piping, combustion, and controls disciplines.
With offices in Montreal and Toronto, Kolostat is proud to be a leader in the HVAC industry. Our in-house expertise, effective project management and competitive prices allow Kolostat to offer the best service on the market to its diverse customer base.
- 104 Office staff Associates
- Well over 150 site tradesmen and service technicians on the road serving our clients
- 17 licensed engineers working at Kolostat
- 27 building mechanical technologists
- 6 ASHRAE members
- 7 LEED Accredited Professionals
- Official partners include: Hydro Quebec and Énergir
- Certifications include: CEM, CMVP, and RCx

