SERVICING ONTARIO & GTA

Our Commercial and Industrial HVAC Services in Markham

We offer tailored support for Markham’s local business community. We provide regular HVAC maintenance, and quick response to the HVAC needs of office towers, long-term care facilities and hospitals in the Markham area.
Company service vehicle representing work areas across Ontario and the Greater Toronto Area (GTA)

TRI-AIR supports Markham’s commercial, institutional, and government facilities with full-service HVAC solutions. From proactive maintenance to emergency repairs and complex retrofits, our team ensures reliable, energy-efficient operation across diverse buildings.

Troubleshooting and Emergency Repairs in Markham

When heating or cooling systems fail, downtime can disrupt operations and comfort. TRI-AIR provides 24/7 emergency service across Markham, quickly diagnosing issues with boilers, chillers, rooftop units, and pumps. Our rapid response minimizes disruption and restores system performance so businesses, schools, and healthcare facilities stay operational.

Chiller Replacements in Markham

Older chillers often struggle with efficiency, creating high utility costs and inconsistent cooling. TRI-AIR replaces outdated chillers with high-performance, energy-efficient models designed to meet the needs of offices, laboratories, and institutional facilities. Our commissioning process ensures proper operation, compliance, and long-term system reliability.

Regulatory Compliance and Insurance in Markham

Ontario’s TSSA standards demand strict compliance, especially in high-occupancy buildings. TRI-AIR provides compliance-focused inspections, documentation, and reporting to keep your systems safe and audit-ready. As a fully insured provider, we reduce liability risks while ensuring your HVAC systems meet all provincial regulations.

Preventive HVAC Maintenance Plans in Markham

Custom maintenance programs help reduce operating costs and extend equipment life. TRI-AIR’s technicians perform seasonal tune-ups, filter changes, and performance testing to prevent costly breakdowns. Property managers rely on our preventive plans to keep equipment dependable year-round.

Markham HVAC Upgrades and Retrofits

For buildings with aging HVAC, TTRI-AIR delivers energy-saving retrofits such as AHU upgrades, new makeup-air units, and smart controls. Our retrofit services improve efficiency, comfort, and long-term system sustainability with minimal operational disruption. University HVAC Solutions in Markham
Markham’s campuses and research facilities need dependable heating and cooling. TRI-AIR provides multi-zone HVAC solutions that stabilize temperature, support learning environments, and deliver reliable climate control for classrooms, labs, and lecture halls.

Why Choose TRI-AIR Commercial HVAC Contractors in Markham?

• Experience and Expertise
Our Markham HVAC experts have been serving businesses for over four decades. We specialize in maintaining and repairing industrial and commercial systems of all sizes.

• Emergency Response Anytime
We provide 24/7 emergency coverage to keep your operations running. Our team acts fast to resolve urgent problems before they escalate.

• Client-Driven Service Model
We collaborate with Markham businesses to deliver solutions that meet their specific needs. This partnership approach helps optimize system performance year-round.

Contact Us

We’re Here To Help. We’ve Got You Covered — from Emergency Repairs to Timely Retrofits to Proactive Maintenance. 

Reach out today for a free, no-obligation consultation about your commercial HVAC needs in Toronto and across the GTA.