Newmarket, East Gwillimbury and surrounding areas in York Region. Heating & Air Conditioning Newmarket, East Gwillimbury and surrounding areas in York Region. Heating & Air Conditioning Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sort alphabetically by... Name City D & R Mechanical _ 18 - 17817 Leslie St.Newmarket, ON L3Y 8C6 Mr. Derek Bowers (905) 898-3146 Learn More | View on Google Maps Assured Mechanical & Electrical Services _ 123 Stickwood Crt.Newmarket, ON L3Y 5V2 Mr. David Brunton (905) 853-6177 Learn More | View on Google Maps Summers And Smith _ 55 Industrial Pkwy. S.Aurora, ON L4G 3Y5 Mike Campagnolo (905) 727-2323 Learn More | Visit Site | View on Google Maps Comfort Masters Ltd. _ C16 - 1472 Thornton Rd. N.Oshawa, ON L1H 7K4 Brian Ripchensky (905) 642-3000 Learn More | Visit Site | View on Google Maps Canco ClimateCare Heating & Air Conditioning _ 13 & 14 - 1235 Gorham St.Newmarket, ON L3Y 8Y5 Ms. Nancy McKeraghan (905) 898-3912 (800) 263-7437 30 year old company offering full range of heating & cooling products and services including IAQ and fireplaces. Learn More | Visit Site | View on Google Maps BUILT BEYOND DESIGN AIR SYSTEMS _ 110 PONY DRIVENewmarket, ON L3Y2B8 Pam Morris (905) 895-3033 Learn More | View on Google Maps If your business isn't here, contact us today to get listed!