We are a professional, full-service HVAC company serving residents of Ontario. Our highly trained technicians can repair, maintain, or replace any heating or cooling equipment you’re currently utilizing. We also install new systems and can recommend optimal energy efficiency practices and products. Our goal is to ensure all our customers enjoy comfortable indoor air throughout the year while providing fair, honest, and expert service. No job is too big or too small for us to handle, and we will be at your door as soon as possible to get your situation remedied. Call Hy-Mark today to learn more about our heating and cooling services.

At Hy-Mark, we proudly offering the following services:

  • Heating and Cooling System Repair
  • Heating and Cooling System Installation
  • Heating and Cooling System Maintenance
  • Replacement Parts
  • Planned Maintenance Agreements
  • Financing with Approved Credit
  • Residential and Commercial Services
  • Indoor Air Quality and Humidity Control
  • Indoor Air Ventilation
  • Thermostat Installation
  • Sump Pumps
  • Appliance Installation
  • Retrofit Services
  • Environmental Assessment
  • Hybrid Heat
  • 24-hour Emergency Services
  • Duct Free Systems

Feel at ease when calling professionals to do your HVAC servicing. Save time by handing over the project to our experts. In addition to providing expertise, our professional installers will ensure that your system is properly installed to last for many years. With nearly two decades of experience providing residential services in Guelph, Hy-Mark continues to provide quality care in the area.