Trusted HVAC Ottawa. Professional plumbing services, electrical, A/C, water and furnace services.

Reliance Holmes Heating and Cooling is Ottawa's premier heating, air conditioning, and ventilation solutions supplier.

With over 50 years of experience, we are proud to provide quality plumbing, HVAC, furnaces and air conditioners in Ottawa. Reliance Holmes Heating and Cooling™ is proud of our excellent reputation for quality and integrity. Our expert staff lives and works in the Capital City, and are familiar with the unique needs created by the being on the banks of the Ottawa, Rideau and Gatineau Rivers. We can be found in the community, enjoying one of the many neighbourhood outdoor skating rinks or shopping the ByWard market.

We’re here to help with all of your heating, air conditioning repairs, plumbing and ventilation needs.
Call us 24/7/365 for fast, friendly, knowledgeable support and advice. We can replace your existing HVAC system or if you are building a new home, we can design, install and service a new system in its entirety.

For quality products, superior service and guaranteed results, it has to be Reliance Holmes Heating and Cooling.