
Commercial Heating & Boiler Service
TSSA certified and G1 gas licensed technicians for commercial boilers, furnaces, heat pumps, and hydronic systems across the Greater Toronto Area.
Why Choose TCS for Heating
TSSA & G1 Licensed
All gas work performed by certified technicians registered with TSSA.
Emergency Response
Heating failures in winter are emergencies. We dispatch 24/7.
Full System Coverage
Boilers, pumps, controls, gas lines, and distribution — one contractor.
What We Cover
Complete Commercial Heating Services
One contractor for all your commercial heating needs — from boilers to heat pumps to hydronic distribution.

Commercial Boiler Service
Gas-fired boiler installation, maintenance, and repair. Condensing boilers, atmospheric boilers, and steam systems. TSSA certified technicians for all gas work.

Hydronic Heating Systems
Hot water distribution systems including circulation pumps, expansion tanks, heat exchangers, and zone valves. Complete hydronic system service and repair.

Commercial Furnaces
Rooftop unit heating sections, makeup air unit furnaces, and standalone commercial furnaces. Heat exchanger inspection and gas valve service.

Heat Pump Systems
Air-source and water-source heat pump installation and service. Defrost controls, reversing valves, and seasonal optimization for year-round efficiency.

Unit Heaters & Radiant Heat
Gas-fired unit heaters, infrared radiant heaters, and warehouse heating systems. Thermostat controls and gas piping for industrial heating applications.

Mechanical Room Upgrades
Boiler replacements, pump upgrades, VFD installations, and controls integration. We coordinate shutdowns and minimize disruption during heating season.
Why TCS
Built for Commercial Heating
Commercial heating systems are critical infrastructure. A boiler failure in January can shut down an entire building. Gas work requires proper licensing. And complex hydronic systems require technicians who understand pumps, valves, and heat distribution.
TCS has the certifications, experience, and emergency response capability to handle it all. Our technicians hold TSSA and G1 gas licenses. We stock common boiler parts. And when your heating fails in the middle of winter, we treat it like the emergency it is.
Request a Heating System QuoteTSSA & G1 Certified
All gas work performed by licensed technicians registered with TSSA.
24/7 Emergency Dispatch
Heating failures in winter are emergencies. We dispatch around the clock.
Pre-Season Inspections
Get ahead of heating season with scheduled boiler inspections and tune-ups.
All Heating Types
Boilers, furnaces, heat pumps, radiant heat, and hydronic systems.
Efficiency Optimization
Combustion analysis and controls upgrades to reduce fuel costs.
Full System Service
Burners, pumps, controls, gas lines, and distribution — all under one contractor.




Keep Your Facility Warm
Emergency repairs, preventive maintenance, and new installations for commercial heating systems across the GTA.
Ready to Talk About Your Heating System?
Call us for a free assessment, or submit a service request through our online booking system. We serve commercial properties throughout the GTA.
