Commercial HVAC Services
Summers and Smith Cooling & Heating Limited provides reliable and trusted commercial HVAC solutions across York Region.
Summers and Smith Cooling & Heating has been providing commercial services and installations to companies in the Greater Toronto Area for 50 years. With our commercially trained technicians, installation crews, and project managers, you can depend on our team to provide effective heating, air conditioning, and ventilation solutions for your business.
Our commercial team will diagnose, repair, maintain, and install a comprehensive list of HVAC equipment. Our crews have been both field and manufacture trained, and are continuously learning and applying their education to provide prompt, accurate, and specialized services.
Equipment Replacement
Looking to upgrade or add additional HVAC equipment, or increase your indoor air quality? Summers and Smith Cooling & Heating provides complementary replacement and supplementary estimates for:
- Rooftop Units
- Boiler and hydronic systems
- Ductless split heat pumps and cooling only units
- Overhead heating (unit, tube, and radiant heaters)
- Exhaust Fans
- Makeup air units
- Domestic hot water heaters
- Air purification HEPA or UV systems
- Humidification and dehumidification equipment
- Dave Stokes
- 905-727-2323
- 905-955-2393
- dave.s@summersandsmith.com

New Construction and Building Renovations
Contact Our Team:
- Dave Stokes
Senior Project Coordinator - 905-727-2323
- 905-955-2393
- dave.s@summersandsmith.com
- Andrew McKibbon
Senior On-site Supervisor and Installer - 905-727-2323
- andrew.m@summersandsmith.com

Service and Maintenance

Our technicians are fully-licensed, and trained in; diagnosing, repairing, and maintaining all styles and applications of HVAC equipment. Repairs are completed timely, and effectively, while guaranteeing overall customer satisfaction.
We understand the importance of limiting downtime, Summers and Smith provides emergency and priority services for all of our commercial clients. Contact us today to ensure your business stays operating efficiently and comfortably.
Our preventative maintenance programs ensure your commercial equipment and systems are functioning at optimal performance year-round. Providing full detailed inspection reports, along with filters changes, photos, and equipment details, our custom designed maintenance programs ensure your company and building are ready for the change in seasons.
Contact our team today for your complementary preventative maintenance proposal:
Commercial Products
Lennox Packaged Rooftops

Daikin Packaged Rooftops
6 Tons
15 – 25 Tons