MECHANICAL AND ELECTRICAL ENGINEERING IN KITCHENER-WATERLOO
Need reliable mechanical and electrical engineering services in Kitchener-Waterloo? Callidus Engineering’s Kitchener-Waterloo branch pairs agile, responsive design with fast and reliable support to keep projects moving and budgets intact—whether you’re replacing HVAC equipment or upgrading critical power systems.

Meet Zam Abdulla, P.Eng.
Branch Manager and Principal Zam Abdulla, P.Eng. brings nearly two decades of electrical engineering & project management experience to projects throughout the Tri-Cities. A Western University graduate and licensed professional engineer, Zam has led work spanning commercial buildings, municipal community centres, healthcare imaging suites, affordable-housing builds and more.
Our Kitchener-Waterloo Engineering Services
HVAC engineering and energy-efficient retrofits
Boiler and make-up-air unit replacements
Power distribution, standby-generator, and EV-charger design
Fire-alarm panel replacements and life-safety upgrades
Plumbing renewals, domestic booster pumps, and drainage re-work
Municipal facility M&E upgrades for arenas, libraries, and community hubs
Integrated Systems Testing, and more
Why Callidus Engineering?
For over twenty years, Callidus Engineering has delivered mechanical, electrical, and MEP consulting across Ontario. Our Kitchener–Waterloo office pairs regional insight with the resources of a 50-plus-person firm, giving architects, builders, property managers, and municipal owners one point of contact—and a full-scope team behind the scenes.

READY FOR US TO MAKE YOUR BUILDINGS WORK?
Service Area and Location
Our Kitchener office—conveniently located in the iconic Catalyst Commons—serves the entire Greater Kitchener-Waterloo Area, including Waterloo, Kitchener, Cambridge, Guelph, and the surrounding townships of Woolwich, Wilmot, Wellesley, and North Dumfries, and more. Whether your project is downtown Kitchener, near the University District in Waterloo, or in the industrial parks of Cambridge, our mechanical and electrical team is close by for on-site reviews and fast turnaround.
CLIENT TESTIMONIALS
“The team at Callidus Engineering were both responsive and supportive of all those working to complete the project. Not only were their designs effective and balanced but they were also mindful of economics, system efficiencies and practical construction methods.“
– Chris Leigh, Director of Construction & Development At Tricar Developments
“Callidus Engineering delivers quality work, reliable service and consistent communication through all phases of our projects together. On top of that, they build strong relationships with clients and other consultants on a team. We appreciate how Callidus can find efficient ways to both prevent and solve problems.”
– Sonia Diaz, Principal – 17l21 Architects
“I’ve worked with Callidus Engineering for over 10 years on a number of different commercial and residential projects. Not only do they provide and meet realistic timelines, but they are also very friendly and personable. I value the fact that Callidus staff are up-to-date with the Ontario Building Code and industry standards and are open to discussing resolutions to on site issues.“
– Dan Schinkelshoek, Project Manager, Melchers Construction Limited