Trusted Heating, Air Conditioning and HVAC Contractors in Ottawa

At Clement Marchand Natural Gas Services Ltd., we partner with the leading air conditioning and heating industry brands to provide you with durable, high-quality products. In addition, our technicians and contractors undergo advanced training to take care of your Ottawa HVAC, cooling, air conditioning, heating and gas conditioning systems. We service both the residential and commercial sectors to complete your projects. For retail, no matter the size of the project, we offer solutions that fit your needs. 

With 40 years of experience in the field, our company offers maintenance plans and repair services for your heating and air conditioning systems. We work in compliance with the standards, and we proceed to a complete inspection of your systems before carrying out the work. You can set up an annual maintenance and service contract with us. We take care of everything, from pricing to equipment maintenance, including management, installation and repair. We use the most qualified technicians in the industry: passionate people who take pride in their work.

When you call on our company for a job, we assign our best technicians to evaluate and familiarize themselves with your HVAC system, making it easy to detect any discrepancies. On every visit, our commercial HVAC technicians quickly prepare accurate reports and repair problems, ensuring that every customer is satisfied with our service. Contact us today for information on our annual preventive maintenance programs and to take advantage of our services to extend the life of your equipment. We also offer 24-hour emergency service.