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  • About Us
    • Our History
    • Our Team
    • News
    • Reviews
  • Heating
    • Furnace Installation
    • Furnace Showcase
    • Furnace Repair & Service
    • Boiler Installation
    • Boiler Showcase
    • Boiler Repair & Service
    • Heat Pump Installation
    • Heat Pump Showcase
    • Wall Furnaces & Heaters
    • Radiant Floor Heating
    • Fireplace Installation
    • Fireplace Showcase
    • Fireplace Repair & Service
    • Thermostats
    • Duct Cleaning
      + Air Quality
    • Emergency Furnace Service
  • Cooling
    • Air Conditioner Installation
    • Air Conditioner Showcase
    • Air Conditioner Repair & Service
    • Ductless Air Conditioning
    • Heat Pump Installation
    • Heat Pump Showcase
  • Liquid Propane
    Installation
  • New Construction
    + Current Projects
    • New Construction
    • Current Projects
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Furnace Installation

Providing fine quality Furnace Installations in the Clarence-Rockland, Hawkesbury and Embrun area since 1976

At Fernand Denis, we have experience with all types of gas and propane furnaces and can convert from oil to gas. We service and repair any make and model, but when it comes to our furnace installations, we choose Lennox furnaces. Lennox furnaces are energy efficient, have extremely precise temperature control and super quiet operation. Our furnace installations come with a limited lifetime warranty on the heat exchanger and up to a 10-year limited warranty on covered components.

What sets our Furnace Installation Apart?

We work hard each step of the way to provide the best possible furnace installation experience:

  • We make our own tin, meaning all our ducts are custom designed for a snugger fit and better installation
  • Between 7:30 am – 4:30 pm, we answer your call right away and you always speak to an employee
  • We provide an easy-to-understand quote with clear options
  • We treat you and your house with respect
  • We are on time and take great care to keep your house clean
  • We install a new thermostat with each new furnace installation
  • We take pride in each furnace installation

Our furnaces have AFUE ratings of 95 or better and most are ENERGY STAR® certified. With a Lennox furnace, our fine quality installations and service, you’ll have a product you can count on for years to come.

Get a furnace installation quote

Find the perfect solution for your home.

Visit our furnace showcase

See our most popular furnaces.

About Us

At Fernand Denis, we're proud to serve all villages and towns in Glengarry, Prescott and Russell, including Embrun, Russell, Casselman, St. Albert, St. Isidore, Clarence Creek, Clarence-Rockland, Plantagenet, St. Bernadin, Alfred, L'Original, Hawkesbury, Dunvegan, Laggan, Alexandria, Maxville, Limoges, Bourget and Vankleek Hill. Contact Fernand Denis today for your furnace, air conditioner, boiler, fireplace, heat pump, wall furnace, and radiant floor heating service or installation. We also provide specialized duct cleaning, liquid propane installation and new construction services.

Contact Us

Address
107 Caledonia
St-Isidore, ON K0C 2B0


613.524.2897

Toll Free: 877.768.8848
Fax: 613.524.3194

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Licensed by TSSA

TSSA

TSSA Number: 0037041001

Member of HRAI

HRAI

Better Business Bureau

HRAI
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  • About Us
    • Our History
    • Our Team
    • News
    • Reviews
  • Heating
    • Furnace Installation
    • Furnace Showcase
    • Furnace Repair & Service
    • Boiler Installation
    • Boiler Showcase
    • Boiler Repair & Service
    • Heat Pump Installation
    • Heat Pump Showcase
    • Wall Furnaces & Heaters
    • Radiant Floor Heating
    • Fireplace Installation
    • Fireplace Showcase
    • Fireplace Repair & Service
    • Thermostats
    • Duct Cleaning
      + Air Quality
    • Emergency Furnace Service
  • Cooling
    • Air Conditioner Installation
    • Air Conditioner Showcase
    • Air Conditioner Repair & Service
    • Ductless Air Conditioning
    • Heat Pump Installation
    • Heat Pump Showcase
  • Liquid Propane
    Installation
  • New Construction
    + Current Projects
    • New Construction
    • Current Projects
  • Promotions
  • Contact Us
Fernand Denis