Commercial and residential HVAC solutions – expert installation, repair, and maintenance you can trust.
With 24/7 emergency service
At CMS Heating & Cooling, we specialize in a full range of HVAC, refrigeration, and mechanical services for both residential and commercial clients across Southern Ontario. With nearly a decade of industry experience, we are committed to delivering exceptional service, superior workmanship, and long-lasting solutions tailored to our customers' needs.
Bringing
comfort
home.
Services
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Installation
Whether you're upgrading your system or installing HVAC in a new build, we provide professional installation services designed for efficiency, comfort, and longevity.
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Repair
When your heating or cooling system breaks down, you need fast, reliable service. Our expert technicians diagnose and repair all HVAC brands and models to restore comfort to your home or business.
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Maintenance
Regular HVAC maintenance is essential for preventing breakdowns, reducing energy costs, and extending system lifespan. Our seasonal tune-ups ensure your system runs at peak efficiency.
Money back
in your pocket.
Earn cash from recommending CMS Heating & Cooling to your friends and family! Learn more about our referral program.
Customer Reviews
CMS Heating & Cooling installed a new air conditioner condensing unit and coil at my residence. Justin was cordial, respectful and professional completing the job in a timely manner with quality and care. I am incredibly pleased with how the entire process transpired. I will definitely be contacting CMS with any future HVAC needs. Highly recommended.
Darcy S.
Very professional and knowledgeable about best options for furnace and heat pump replacements. Work level was highest quality. Justin is very skilled and cleaned up everything afterwards, arguably he made the furnace room cleaner than it was before he got there.
Full trust in his judgement, work and craftsmanship. Highly recommend CMS for your heating and cooling needs.
Kurtis W.
CMS Heating and Cooling helped us out in a pinch and provided us with a quick solution to our busted air handling unit during the scorching heat of the summer. They got us back up and running with cold air in no time and the price was right!
Sam G.
