Commercial HVAC Contractors in Mississauga, Toronto & GTA
Licensed commercial HVAC installation, repair, and maintenance for offices, retail, restaurants, and property managers across the Greater Toronto Area. TSSA-certified, available 24/7.
Commercial HVAC Services
Full-service commercial HVAC for businesses of every size - from single-unit retail to multi-floor office buildings.
Commercial Rooftop Units (RTUs)
Installation, replacement, and maintenance of rooftop packaged units for offices, retail stores, and commercial buildings. All major brands including Lennox, Carrier, and Goodman.
- RTU installation & replacement
- Seasonal start-up & shutdown
- Emergency RTU repair
- Controls & thermostat upgrades
Commercial Ductless & Split Systems
Multi-zone ductless systems ideal for offices, restaurants, server rooms, and retail spaces that need precise temperature control without ductwork.
- Multi-zone mini-split systems
- Server room & IT cooling
- Restaurant & food service HVAC
- Retail & showroom cooling
Commercial Furnace & Boiler
High-capacity heating systems for commercial buildings, property managers, and multi-unit residential. We service all makes and models.
- Commercial furnace installation
- Boiler service & repair
- Make-up air unit service
- Gas line inspections
Preventive Maintenance Contracts
Scheduled maintenance agreements that keep your equipment running efficiently, reduce downtime, and extend equipment life. Monthly, quarterly, or annual plans available.
- Customized maintenance schedules
- Priority emergency response
- Detailed service reports
- Budget-friendly fixed pricing
Who We Serve
Whether you manage one location or an entire portfolio of properties, EcoFrost provides reliable commercial HVAC solutions tailored to your schedule and budget.
Why Choose EcoFrost for Commercial HVAC?
TSSA & 313A Licensed
All our commercial technicians hold the necessary licenses for gas and refrigeration work on commercial equipment in Ontario.
Minimal Downtime
We schedule around your business hours and work efficiently to get your systems back online fast - including evenings and weekends.
All Brands & Makes
Lennox, Carrier, Goodman, Trane, York, Daikin - we service and install all major commercial HVAC brands.
Documented Reports
Every service call includes a written report with findings, work completed, and recommended follow-up - ideal for property managers and building owners.
Commercial HVAC FAQs
Do you offer maintenance contracts for commercial buildings?
Yes. We offer annual and multi-year maintenance contracts for commercial properties. Contracts include scheduled inspections, filter changes, priority service, and discounted rates on repairs.
How quickly can you respond to a commercial HVAC emergency?
We offer 24/7 emergency service across the GTA. For commercial clients on a maintenance contract, response times are prioritized.
Can you handle large multi-unit or multi-zone buildings?
Yes. We work with property managers and building owners on multi-unit residential and commercial properties, coordinating with building staff to minimize disruption.
Do you install rooftop units (RTUs)?
Yes. We install and replace commercial rooftop packaged units across the GTA. We also provide crane coordination for larger RTU lifts when required.
Get a Free Commercial HVAC Quote
Serving offices, retail, restaurants, and property managers across Mississauga, Toronto & the GTA.