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  • Unionville Heating Website
    (905) 479-1290
    5 - 18 Ringwood Drive, Suite 413, Stouffville, ON L4A 0N2

    Unionville Heating and Air Conditioning Ltd. provides residential heating, ventilation and air‑conditioning services across the Greater Toronto Area, including Markham, Unionville, Stouffville, Uxbridge, Pickering, Ajax, Whitby, Oshawa, Brooklin and Aurora. Established in 1985, the privately owned …