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  • image of Comfort Advisor consulting with homeowner

    Free Home Comfort Consultation

    Do you have questions about your plumbing or HVAC systems? Let our trade licensed Comfort Advisors explain your equipment and advise on upgrades or repairs. Learn more about a no obligation in-home visit.
  • pic of American Standard toilet

    We're Sweetening The Pot With FREE Installation

    Get a sweet deal in February on an ultra-high efficiency toilet not available in the big box stores. The American Standard H2Optimum 4.2 Litre comes installed for only $395. Learn more.
  • imafge of woman and child reading on sofa

    $250 Off Lennox PureAir

    Save on the best air purification and filtration device on the market when you purchase a new furnace. Learn more about this item and how to qualify.
  • Financing and Rental options

    Take advantage of our rental and financing options.

    You can afford ultimate home comfort right now with our flexible payment options.  
  • Take a Ride for MacKids event

    Big Trucks, Excavators, Planes and More!

    It's not too early to plan some family-friendly summer fun! This June bring the kids/grandkids to take a ride in the driver's seat and see their toys come TO LIFE. Learn more.


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24 Hour Service

Hy-Mark offers 24/7 Emergency Service for no-heat, no air conditioning and plumbing needs!*
Toll-Free: 800 727 0750

Head Office

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

Owen Sound Office

105 Shane Street
Units 2 & 3
Springmount Business Park
Owen Sound ON N4K 5N7
Phone: 519 376 1678
Toll-Free: 800 727 0750

London Office

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