A Leader in Furnaces,
Air Conditioners, Boilers and Fireplaces
Providing a Wide Range of Heating and Cooling Services in
Glengarry, Prescott & Russell since 1976
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.