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Welcome to Kolostat

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. 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.

About Us

Over the past 90+ years, Kolostat has developed a sought after reputation of excellence and professionalism in the commercial HVAC and industrial fields, including ventilation, piping and controls disciplines. With a specialty in designing award-winning energy efficient systems, Kolostat’s team is passionate about creating innovative solutions which redefine conventional norms of mechanical design.

In order to keep the needs and concerns of our clients at the forefront of our priorities, Kolostat strives for consistent client collaboration and participation throughout the design, installation, start-up and commissioning phases of our projects. Furthermore, once new system solutions have been implemented, our service department, which commandeers a fleet of over 35 service trucks, keeps our clients’ equipment running at optimum performance and efficiency throughout its lifetime.