S.R. Gillis & Sons Ltd

16-1211 Gorham St
Newmarket ON L3Y8Y3

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Opening Hours

  • Mon: 8am-5pm
  • Tue: 8am-5pm
  • Wed: 8am-5pm
  • Thu: 8am-5pm
  • Fri: 8am-5pm


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S.R. Gillis & Sons Ltd Heating and Air Conditioning - is a family owned and operated heating and air conditioning business that started in 1981. We became a Carrier dealer in 1983 and celebrated our 35th anniversary with Carrier in 2018. We install gas and electric furnaces, air conditioners, heat pumps, ductless splits, gas fireplaces, humidifiers, air cleaners, air purifiers, whole house standby generators, duct-work and gas lines for stoves and barbecues - we fix any type of furnace! We are fully insured and Workplace Safety and Insurance Board compliant. If you are looking to replace your existing equipment, need service or just want advice, please give us a call or stop by our office on Gorham Street in Newmarket. Our friendly office staff will gladly answer any of your questions.