50 years of business; 20,000 homes serviced

Ramnor Controlled Comfort Air, was founded in 1965 and has been Durham Region's most trusted name for heating, ventilation and air-conditioning services, parts and products for half a century. We install and service a full range of residential and commercial HVAC systems, and we guarantee our customers quality service.

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  15,000hrs

  of round-the-clock service, every year. Our dedication to our clients never stops, and we make sure that we provide them with the highest standards.

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  100%

  satisfaction guaranteed. We supply and service a wide range of top HVAC brands, using the highest quality parts, making sure that we deliver excellence.

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  1,500units

  protected by our HVAC Protection Plan. Our guaranteed HVAC Protection Plan is the best way to avoid unexpected costs of major repairs.