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About us

Antoine Sleiman founded Climatech in 1995 after graduating from University of Montreal. He manages the company with a trustworthy and professional team for your needs. We deliver comfort and peace of mind. And we’re able to deliver because we listen and understand your unique needs and desires with the goal of enriching your life.

  • Family business
  • Licensed by the RBQ (Régie du Bâtiment du Québec) #8233-0812-52
  • Member of the CMMTQ  (Corporation des maîtres mécaniciens en tuyauterie du Québec) #8819
  • Member of the CMEQ (Corporation des Maîtres Electriciens du Québec)
  • Member of the APCHQ (Association Provincial des Constructeurs d’habitations au Québec)
  • Certificate of accreditation by Novo Climat since 2004
  • Certificate  from the Canadian Geoexchange coalition, courses on the conception and installation of the geothermal heat pump systems in 2007
  • Consumer choice awards in 1999 in heating and cooling by Léger and Léger
  • Member of the Mitsubishi Elite group since 1999
  • Mistubishi has recognized Climatech for their exceptional results in sales, services and the quality of the installations every year since 1995.
  • Member of CAA
  • Member of AECQ
  • Gold Palm certificate from Reno-Maitre


  • I would like to thank you for your professionalism, expertise and attention to detail in looking after our need - we look forward to your continuing good service.
    ~ Mr. O’Brien, Montreal
  • "Climatech were tremendous, the guys showed me how everything worked and we are more comfortable than ever - it feels like we live in a new house."
    ~ C. Brown, Montréal
  • "Very impressed with the work carried out in my home by the Climatech team. Now with the new York Heatpump our home is always comfortable"
    ~ Chris K. Rosemere