Your home is your castle and you should feel comfortable there. At Clément Marchand Natural Gas Service, we have been providing quality HVAC services to both residential and commercial clients in the Ottawa and National Capital Region.

For over 40 years customer satisfaction has been our priority. We provide emergency services 24 hours a day, 7 days a week and offer annual preventive maintenance programs. Along with heating and air conditioning maintenance and installation, we offer a wide range of products that will clean, purify and sterilize the air in your home. We specialize in Hydronic heating. Our family-owned and operated business has a fleet of 19 vehicles and we continue to expand to meet the needs of our clients. Call Clément Marchand Natural Gas Service today to discuss your heating and cooling needs. more... See more text