Contact us today regardless of whether you're looking for a quote, repair, tune-up or simply have a question. 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.
Services
Fernand Denis is a family-owned heating and cooling company with over 40 years of satisfied customers. We are proud to serve both homeowners and building owners. We pride ourselves on the quality of our work and our customer comes first attitude.
We offer one of the widest ranges of heating and cooling services available, including installations and repairs for furnaces, air conditioners, boilers, fireplaces, heat pumps, wall furnaces and heaters, radiant floor heaters, and liquid propane installation, as well as duct cleaning.Licensed by TSSA and a member of the HRAI, we continuously strive to provide our customers with the best installation, repair, and service.
We offer one of the widest ranges of heating and cooling services available, including installations and repairs for furnaces, air conditioners, boilers, fireplaces, heat pumps, wall furnaces and heaters, radiant floor heaters, and liquid propane installation, as well as duct cleaning.Licensed by TSSA and a member of the HRAI, we continuously strive to provide our customers with the best installation, repair, and service.
Reviews (8)
Mark Jefferys
Jan 24, 2022
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Used Fernand Denis for 3 different jobs in the last 3 months to service and repair my furnace, instal central air and lastly to replace the blower fan. They are on time at the agreed price, they left my basement clean and everything worked. The lady in the office is very helpful and I can easily recommend them.
Bob Zaluski
Dec 27, 2021
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Positive: Professionalism, Punctuality
The team that carried out the installation of furnace /ductwork, was very professional and personable. They answered all our concerns and provided a thorough explanation of our responsibilities towards proper functioning of the system. Please pass on our thanks for a task well done.
Services: Repair ducts & vents, Install heating system, Installation
The team that carried out the installation of furnace /ductwork, was very professional and personable. They answered all our concerns and provided a thorough explanation of our responsibilities towards proper functioning of the system. Please pass on our thanks for a task well done.
Services: Repair ducts & vents, Install heating system, Installation
Gayle MacLennan
Nov 15, 2021
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When we decided to replace a 48 year old furnace we contacted two companies. Fernand Denis was the only one who replied, and did so very promptly. Daniel explained to us how our system could work, and was very helpful. The two young men who installed our new furnace and air conditioner were very friendly, professional and courteous. I would highly recommend this company, and will definitely be telling people to not hesitate to call.
Heike Buhler
Oct 25, 2021
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From the first contact to installing, it went very smoothly!
We had two houses to convert to propane heating without ductwork, the recommended propane stoves are functional and beautiful. We have used them on colder days already and are very happy with the warmth they provide!
4 stoves where installed with wireless thermostats!
One stove and thermostat didn’t work, the replacement part was here within days , installed right away and now works as it should!
Communication with this business was outstanding and the installers where quite efficient and professional!
Will recommend this business
We had two houses to convert to propane heating without ductwork, the recommended propane stoves are functional and beautiful. We have used them on colder days already and are very happy with the warmth they provide!
4 stoves where installed with wireless thermostats!
One stove and thermostat didn’t work, the replacement part was here within days , installed right away and now works as it should!
Communication with this business was outstanding and the installers where quite efficient and professional!
Will recommend this business
Marie-Claude Titley
May 22, 2021
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Sebastien Lavoie
Apr 21, 2020
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Ils ont des travailleurs et vendeurs compétant qui ont su répondre à mes besoins. Ils ont fait du bon travail pour l'installation de divers système pour différentes applications au fil des années. (fournaise, tank à l'eau chaude, système radian, boiler etc.) Par dessus tout, ils assurent un bon service d'après vente.
Ginette Lamarche
Apr 16, 2020
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Daniel Grenier de "Service de fournaise Fernand Denis nous a donné les informations dont nous avions besoin pour l'installation d'un nouveau système de chauffage et pour l'installation du gas naturel. La rapidité à retourner ses messages est très apprécié. Nous le recommandons fortement. Bravo à votre équipe !!! 👍
Lise Lalonde
Mar 31, 2020
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