Skip to content
  • Facebook
  • Instagram
  • YouTube

Heating failure? 7-day emergency service. Call us!

Current promotion! 2 free filters with the purchase of a box! See the offer!

Any questions? Visit our contact page. Contact us!

  • English

  • Français

Phone icon St-Isidore - 613-524-2897 St-Isidore - 613-524-2897 Phone icon Gatineau - 819-303-7038 Gatineau - 819-303-7038 Contact icon Contactez-nous Contact icon Contact us
Payer une facture Pay an invoice Urgence Emergency
  • Products
    • Heating
      • Boiler
      • Radiant heating
      • Furnace
      • Fireplace
      • Heat pump
    • Air conditioning
      • Air conditioning
      • Ductless air conditioning
      • Heat pump
    • Ventilation
      • Air exchangers
    • Other
      • Thermostats
  • Maintenance & repair
  • Specialized services
    • Agriculture
    • Services to builders
  • Shop
  • About Us
    • News
    • Careers
  • Free estimate
  • English
  • Français
Login
  • Facebook
  • Instagram
  • YouTube
Search
Fernand Denis Inc.
  • ProductsProducts
      • Heating
        • Boiler
        • Radiant heating
        • Furnace
        • Fireplace
        • Heat pump
      • Air conditioning
        • Air conditioning
        • Ductless air conditioning
        • Heat pump
      • Ventilation
        • Air exchangers
      • Other
        • Thermostats
      See all our products and installation services
  • Maintenance & repairMaintenance & repair
  • Specialized servicesSpecialized services
    • Agriculture

    • Services to builders

  • ShopShop
  • About UsAbout Us
    • News

    • Careers

  • Free estimateFree estimate
Search Login Cart 0
Cart

Your cart is currently empty.

Not sure where to start? Try these collections:

  • Continue shopping
    Order special instructions
    Estimate shipping rates
    Taxes included and shipping calculated at checkout.
    Subtotal
    $0.00 CAD
    View cart
    Search
    Welcome Research Products 0 Basket Account
    Premier véhicule de Fernand Denis Inc - Fernand Denis Inc.
    • Mar 14, 2025

    First vehicle of Fernand Denis Inc.

    • Mar 14, 2025

    Share:

    • Share on Facebook
    • Share on X
    • Pin on Pinterest
    • Share by Email
    Share
    Share
    • Facebook Share on Facebook
    • X (Twitter) Share on X
    • Pinterest Pin on Pinterest
    • E-mail Share by Email
    0 comments
      • Mar 13, 2025
      • by Simon Thérien-Prud'homme

      Playing Chicken with PEX

      • Mar 14, 2025
      • by Simon Thérien-Prud'homme

      Fernand Denis Inc Promo

    Latest News

    View all

    Foyers Napoléon – Promo - Fernand Denis Inc.
    • Mar 14, 2025

    Napoleon Fireplaces – Promo

    Read more

    Fernand Denis Inc Promo - Fernand Denis Inc.
    • Mar 14, 2025

    Fernand Denis Inc Promo

    Read more

    Premier véhicule de Fernand Denis Inc - Fernand Denis Inc.
    • Mar 14, 2025

    First vehicle of Fernand Denis Inc.

    Read more

    Heating
    • Boiler
    • Radiant heating
    • Furnace
    • Fireplace
    • Heat pump
    Air conditioning & ventilation
    • Air conditioning
    • Ductless air conditioning
    • Heat pump
    Specialized services
    • Agriculture
    • Services to builders
    Other
    • Air exchangers
    • Thermostats
    About Us
    • News
    • Careers
    Contact

    St-Isidore - Ontario

    Gatineau - Quebec

    Policies
    • Privacy Policy
    • Personal Information Protection Policy
    • Refund Policy

    Fernand Denis Inc.

    Subscribe to the newsletter

    Stay informed about all our new products, product launches and current promotions, directly in your inbox.

    • Facebook
    • Instagram
    • YouTube
    RBQ Ontario: 5711-6030-01
    RBQ Quebec: 5831-5250-01
    © 2025 Fernand Denis Inc.. Powered by Shopify
    • Apple Pay
    • Google Pay
    • Mastercard
    • Shop Pay
    • Visa
    • Choosing a selection results in a full page refresh.
    • Opens in a new window.