Hy-Mark is a full-service mechanical company delivering best-in-class workmanship and offering ongoing support to our valued customers. For over 18 years, Hy-Mark has been providing the best possible residential heating, cooling and plumbing to our customers in Guelph, ON and the Tri-City Area. Hy-Mark is an industry leader when it comes to innovation in sustainable building methods. Everything we do starts with the customer. We understand that no two customers' needs are exactly the same. That's why we go above and beyond to ensure every customer receives the best value from their experience. We also have licensed technicians who are ready to perform any repairs our routine maintenance that you need. Call today to schedule with Hy-Mark! more... See more text