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Your Trusted HVAC Partner in Toronto
Grayco Air has been delivering specialized HVAC solutions for commercial and industrial buildings across Toronto, the GTA, and Durham Region for over two decades. Our commitment to quality workmanship is reflected in our rigorous project management practices, on-time completion record, and in-house engineering expertise. We specialize in heating, ventilation, air conditioning, and refrigeration systems for diverse facilities including data centers, hospitals, warehouses, and retail chains.

Our team of certified technicians adheres to all applicable codes and maintains comprehensive insurance coverage while providing transparent communication and 1-year warranties on materials and labor. With modern equipment and software integration, we ensure efficient project execution and long-term client relationships built on reliability and technical excellence.
Services
Commercial HVAC Industrial HVAC Heating Installation Ventilation Services Air Conditioning Repair Refrigeration Systems Maintenance Contracts Emergency Repairs System Installation Industrial Refrigeration
Highlights and features
  • We maintain a 1-year warranty on all materials and workmanship
  • Our team holds certifications in fall arrest and dangerous goods handling
  • We guarantee on-time completion for HVAC projects in sensitive environments
  • In-house engineering ensures technical precision for complex installations
  • We serve diverse sectors including healthcare, data centers, and industrial facilities
Services
Commercial HVAC
Grayco Air provides comprehensive HVAC solutions for commercial buildings including installation, maintenance, and repair services. Our certified technicians handle heating, ventilation, and air conditioning systems for office buildings, retail spaces, and hospitality venues. We ensure optimal temperature control and air quality while maintaining energy efficiency standards for business operations.
Industrial HVAC
Specialized HVAC systems for industrial facilities requiring precise temperature and humidity control. We service manufacturing plants, warehouses, and data centers with robust heating, cooling, and ventilation solutions. Our team addresses unique challenges in industrial environments while ensuring compliance with safety regulations and operational efficiency requirements for critical infrastructure.
Refrigeration Systems
Complete refrigeration services for businesses requiring temperature-controlled storage. We install and maintain walk-in coolers, freezers, and specialized refrigeration units for supermarkets, craft breweries, and food service establishments. Our technicians handle refrigerant containment, system repairs, and energy-efficient upgrades to prevent inventory loss and maintain product quality.
Emergency Repairs
24/7 emergency repair services for critical HVAC system failures. Our rapid response team addresses urgent heating, cooling, and refrigeration issues in commercial and industrial settings. We prioritize minimizing downtime while implementing lasting solutions for system malfunctions affecting business operations and environmental controls.
Maintenance Contracts
Preventative maintenance programs to ensure optimal HVAC system performance. We offer customized service agreements with regular inspections, component checks, and system optimizations. Our maintenance services extend equipment lifespan, improve energy efficiency, and prevent unexpected breakdowns through proactive identification of potential issues in commercial and industrial HVAC systems.
Questions
What types of HVAC services do you offer for commercial buildings?
We provide complete HVAC solutions including installation, maintenance, repairs, and emergency services for heating, ventilation, air conditioning, and refrigeration systems in commercial buildings.
Do you serve industrial facilities outside Toronto?
Yes, we serve industrial facilities throughout the Greater Toronto Area and Durham Region within a 100 km radius of Toronto.
Are your technicians certified for specialized HVAC work?
Our team holds certifications in fall arrest, dangerous goods handling, and specialized HVAC equipment installation and repair procedures.
What warranty do you provide on HVAC services?
We offer a 1-year warranty on all materials and workmanship, with manufacturers' warranties passed directly to customers.
Can you handle emergency HVAC repairs?
Yes, we provide emergency repair services with rapid response for critical HVAC system failures affecting business operations.
What industries do you specialize in?
We specialize in HVAC solutions for data centers, healthcare facilities, warehouses, retail chains, and food service establishments requiring precise environmental controls.