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Commercial HVAC Experts in Toronto
M C Mechanical has been serving commercial and industrial clients across the Greater Toronto Area for over 25 years. Our team specializes in delivering high-quality HVAC/R solutions with a focus on advanced technical training, premium materials, and transparent communication throughout every project. We prioritize customer satisfaction through courteous technicians, guaranteed workmanship, and a commitment to leaving no trace of our work beyond completed projects. Our 24/7 emergency service ensures rapid response within two hours, while our preventative maintenance programs help clients maximize system efficiency and longevity.

With partnerships spanning retail, high-rises, and industrial facilities, we maintain full insurance coverage and industry certifications through WSIB and TSSA. Our expertise extends to custom engineering support, energy management, and installation of trusted brands like Carrier and Trane. Through consistent service excellence, we've built lasting relationships with clients who value our team approach and dedication to every project.
Services
HVAC Installation Emergency Repairs Preventative Maintenance Custom Engineering Refrigeration Systems Ventilation Services Energy Management System Inspections
Highlights and features
  • 25+ years of commercial HVAC experience in Toronto
  • 24/7 emergency service with 2-hour response guarantee
  • Free project estimates with transparent pricing
  • Fully insured and WSIB/TSSA certified operations
  • Custom engineering solutions for specialized HVAC needs
Associations and certifications
  • Workplace Safety and Insurance Board (WSIB)
  • Technical Standards and Safety Authority (TSSA)
What people say
Outstanding workmanship 24/7 availability Rapid response Professional technicians Reliable solutions
Services
HVAC Installation
Professional installation of commercial heating, ventilation, and air conditioning systems. Our certified technicians ensure proper equipment sizing, efficient energy performance, and code-compliant installations. We work with leading brands like Carrier and Trane to deliver durable climate control solutions for businesses of all sizes.
Emergency Repairs
Urgent HVAC system repairs available 24 hours daily. Our fully equipped response vehicles guarantee on-site arrival within two hours of your call. We specialize in restoring critical climate control systems for commercial operations with minimal business disruption.
Preventative Maintenance
Scheduled maintenance programs to optimize HVAC system performance. Services include component cleaning, lubrication, safety checks, and efficiency testing. Regular maintenance extends equipment lifespan while maintaining optimal energy consumption and indoor air quality.
Custom Engineering
Tailored HVAC design and implementation for unique commercial requirements. Our team provides engineering support, air balancing, and energy management solutions. We create customized systems for specialized applications including industrial refrigeration and complex ventilation requirements.
Refrigeration Systems
Commercial refrigeration installation and service for walk-in coolers, process chillers, and low-temperature storage. Our certified technicians handle ice machines, freezers, and specialized refrigeration units with precision maintenance and repair services.
Questions
What areas do you service?
We serve Toronto, Barrie, Hamilton, Oshawa, and all Greater Toronto Area locations for commercial HVAC needs.
Do you offer emergency HVAC service?
Yes, our 24/7 emergency service guarantees technician arrival within 2 hours of your call.
What HVAC brands do you work with?
We service all major brands including Carrier, Trane, Lennox, Keeprite, and Thermal Solutions equipment.
Are your technicians certified?
All technicians are fully licensed, WSIB-insured, and TSSA-certified for commercial HVAC operations.
Do you provide free estimates?
Yes, we offer free project estimates with no-obligation quotes for all commercial HVAC services.
What maintenance services are included?
Our maintenance covers component cleaning, lubrication, safety checks, refrigerant testing, and comprehensive system reports.