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16-1211 Gorham St, Newmarket, ON L3Y 8Y3
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Open now 8:00 am - 5:00 pm

Methods of Payment:

Opening Hours *Holiday hours


Products and/or Services

  • Residential And Light Commercial,
  • Furnaces And Air Conditioners,
  • We Service All Makes:,

Products and Services

  • Heating & Air Conditioning,

Brands Carried

  • Mitsubishi Electric,
  • Carrier,

Languages Spoken

  • English,

Ratings & Reviews - S.R. Gillis & Sons Ltd

How would you rate this business?
    Donna H

    We have lived in Newmarket for over 25 years (in the same house as well) S R. Gillis has installed and serviced our air conditioning and furnace when we need anything to be done. Our furnace was over 30 years old and finally had to be replaced. Stan and his employees were so helpful during this time. The temperature was -17c and Stan was quick to drop off some extra heaters to help us through the cold couple of days while they were working to get everything up and running even with the limited working space in our 1886 cellar! I will definitely be spreading the word about how efficient this company is for any of there services! Thank you Stan and your team! Donna H.

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