OUR WORK
A representative selection of mechanical, decarbonization, and service work across Quebec and Ontario.
Includes videoCase studies · Apr 7, 2026
In the heart of Old Montreal, our teams craned and installed two rooftop dry coolers for Cinesite's server-room cooling — with coordinated street closures, work at height on an existing building, and integrated acoustic walls to meet heritage-area noise requirements.
Includes videoCase studies · Mar 25, 2026
Kolostat partnered with Montoni and Martin Roy & Associés to design and build the 100,000 sq ft Épicentre culturel de Laval, integrating a 5th generation energy loop with geothermal, aerothermal and heat recovery to target a 98% GHG reduction and a 50% drop in energy consumption.
Case studies · Mar 24, 2026
Ricardo Haddad and Daniel Robert presented Kolostat's approach to recovering waste heat in indoor greenhouses and farms at Concordia University's ASHRAE student chapter, showing how heat recovery delivers both environmental and financial performance.
Case studies · Jan 19, 2026
KROME and Kolostat cut natural-gas-related GHG emissions by 80% (≈ 550 tCO₂eq) on a downtown-Montreal commercial tower — at full occupancy, without disrupting server-room cooling. A case study with GROUPE MACH.
Includes videoCase studies · Apr 8, 2025
Our MSB Mechanical crew is on site at the new North Oshawa High School, working alongside Percon Construction Inc. and the Durham District School Board — delivering custom fittings and complete ductwork installations on a schedule that targets September 2026 occupancy.
Includes videoCase studies · Jan 15, 2025
A multi-phase decarbonization plan at 330 Spadina Road combines heat-recovery measures, a full modernization of the boiler plant, and replacement of the central chiller — targeting a meaningful reduction in natural-gas consumption and GHG emissions while renewing critical building-performance assets.
Includes videoCase studies · Sep 15, 2024
Six cooling towers on the roof of the Richter Building in downtown Montréal — originally supplied and installed by Kolostat in July 1980 — were retired and replaced as part of a major weekend retrofit for client Canderel. Same firm, same roof, 44 years apart.
Case studies · Sep 11, 2024
Replacement of boilers and hot water heaters for the Durham District School Board.
Case studies · Sep 11, 2024
Plumbing, heating, cooling, and sheet metal scope on a school project in Aurora, Ontario.
Includes videoCase studies · Aug 30, 2024
Our collaboration with Equans and PCL Construction on the LEED Gold archival facility for Library & Archives Canada delivered a net-zero building with vaults held at strict temperature and humidity setpoints designed to preserve records for the next 500 years.
Case studies · Aug 27, 2024
Addition and renovation of the Recreation Centre at Loafers Lake.
Case studies · Aug 27, 2024
Construction of Pleasant Meadows long-term-care home with accessible services.
Case studies · Aug 27, 2024
Renovation of King City Secondary School's heating, ventilation and air conditioning system.
Case studies · Aug 27, 2024
New Operations Centre supporting critical town infrastructure and core services.
Case studies · Aug 27, 2024
New Township of King office.
Includes videoCase studies · Aug 20, 2024
A new high-performance air-to-water heat pump replaces aging mechanical infrastructure for client Capreit — improving heating efficiency in winter, cooling in summer, and reducing dependence on natural gas and municipal water.
Includes videoCase studies · Jul 10, 2024
A rooftop HVAC replacement at Toyo Tire Canada in Saint-Laurent — coordinated crane operations around airport schedules due to the site's proximity to the runway, and delivered a meaningful efficiency upgrade for the office side of the building.
Includes videoCase studies · Apr 15, 2024
Twenty-seven large Vertiv DP-series cooling units lifted onto the roof of an eStruxture data centre over a two-week mobilization, using a 650-ton crane to reach 200–280 feet in height. Months of planning, executed safely through rain, cold, and snow.
Get started
A senior engineer will follow up within one business day — across mechanical design-build, decarbonization, controls, and 24/7 service.
