Commercial Heating, Cooling, HVAC & Refrigeration

Trusted service backed by over 30 years of experience in the industry.

Stay Comfortable and Productive

We’ve Helped Hundreds of Businesses

Consistent performance, stable temperatures, and energy-efficient systems keep your operations running at their best.For over 30 years, Thermal Air Systems has partnered with businesses across GTA to design, build, and maintain commercial buildings that help your team succeed and your business thrive.
We offer:

Certified Technicians

who understand your industry

Prompt Reliable Service

to keep you running

Straight Forward Quotes

without hidden fees

Expert Installation & Maintenance

for industry leading brands

Request a Quote

Commercial Heating, Cooling and HVAC

Thermal Air System Service

HVAC Maintenance and Service

We keep commercial and industrial HVAC systems operating at peak efficiency through proactive maintenance programs and responsive repair service.

Chiller Systems

Our technicians design, install, and maintain chiller systems built for the cooling demands of large facilities.

Boiler Services

From installation to scheduled servicing, we ensure your boilers deliver reliable heat and energy efficiency year-round.

Refrigeration

Protect your inventory and avoid downtime with expert commercial refrigeration maintenance and fast, reliable service.

Retrofit and Design

We upgrade outdated HVAC systems with modern retrofit solutions, engineered to reduce costs and improve performance.

Controls and Automation

Our advanced controls and automation systems give you precise, remote management of your facility’s climate and energy use.

HVAC Construction Management Service

We oversee every stage of HVAC construction projects, ensuring on-time delivery, quality workmanship, and seamless system integration.