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Commercial Overview

Hy-Mark is a leading multi-trade contractor in Ontario for commercial buildings. We offer design-build, plan-and-spec, and construction management for new construction and retrofit services for construction projects, commercial hydronic systems and much more.

Known throughout the industry for our professionalism and dependability, Hy-Mark has been offering industry leading HVAC systems and plumbing services to the Ontario business community for over a decade. We can handle builds and retrofits of any size and scope for public and private ventures.  Including Hy-Mark in your building process will ensure optimal and efficient results. We work with general contractors and commercial real estate developers all over Ontario to ensure they deliver on your comfort requirements, on-time and on-budget.

Get in touch by contacting


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Head Office

5068 Whitelaw Road, Unit #4
RR6, Guelph ON N1H 6J3
Phone: 519 822 6656
Toll-Free: 800 727 0750

Collingwood Office

Unit 1D, 395 Raglan Street
Collingwood ON L9Y 3Z1
Phone: 705 446 9701
Toll-Free: 800 727 0750

London Office

179 Exeter Road, Unit C
London ON N6L 1A4
Toll-Free: 800 727 0750

Need a free quote? Have questions about current promotions or rebates? A Comfort Advisor will get back to you shortly.

If you want a warranty-covered repair, please call our office to schedule.

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