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50+ Years
experience
Emergency
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Your Trusted HVAC Partner in Ontario, CA
Ontario Refrigeration has been a trusted leader in HVAC services since 1958, serving customers across California, Nevada, Utah, Texas, and Arizona. With 10 strategically located offices and over 60 years of combined experience, we specialize in air conditioning, automation, and energy efficiency solutions. Our team of highly skilled technicians delivers customized maintenance programs designed to optimize system performance while reducing operating costs. We utilize advanced computerized scheduling and wireless communication to ensure prompt, reliable service.

Our commitment to weekly training and proven service agreements has earned us over 2,500 active service contracts. We maintain a fleet of fully equipped vehicles to provide 24/7 emergency response, ensuring uninterrupted comfort for commercial buildings. Our comprehensive approach includes predictive maintenance, component replacement, and EPA compliance support, making us a one-stop solution for all HVAC needs.
Services
Preventative Maintenance Computerized Scheduling Component Replacement Emergency Response Air Filter Service Refrigerant Management Predictive Maintenance
Details
  • Year established: 1958
Highlights and features
  • 60+ years of commercial HVAC expertise across five western states
  • 24/7 emergency response with fully equipped service vehicles
  • Customized maintenance programs with computerized scheduling
  • Over 2,500 active service agreements with proven results
  • Weekly technician training for superior service quality
Services
Preventative Maintenance
Our preventative maintenance program ensures optimal HVAC performance through regular system evaluations. Technicians analyze equipment efficiency, replace worn components, and clean critical systems to maintain air quality. This proactive approach extends equipment lifespan while reducing energy costs by up to 30% annually.
Emergency Response
Available 24 hours daily, our emergency service addresses urgent HVAC failures with rapid response times. Fully equipped service vehicles carry essential parts for immediate repairs, minimizing downtime for commercial operations. Our technicians resolve critical system failures while maintaining safety standards during all service calls.
Computerized Scheduling
Using advanced software, we create customized maintenance schedules based on equipment age, usage patterns, and manufacturer recommendations. This data-driven approach ensures timely servicing of critical components while optimizing maintenance costs through predictive analytics and automated task management.
Component Replacement
Our program includes replacement of failed or worn HVAC components to maintain system efficiency. Technicians use genuine manufacturer parts for compressors, filters, and control systems, ensuring compatibility and performance standards. Regular component updates improve system reliability while preventing unexpected breakdowns.
Refrigerant Management
We provide comprehensive refrigerant management services compliant with EPA regulations. Our team handles refrigerant recovery, recycling, and documentation for compliance audits. This service ensures environmental responsibility while maintaining optimal cooling system performance through proper refrigerant levels and leak prevention.
Questions
What areas do you service?
We serve commercial clients across California, Nevada, Utah, Texas, and Arizona with 10 strategically located service centers.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency response with fully equipped service vehicles available year-round.
What maintenance programs are available?
We offer customized CSP and ASP service programs with computerized scheduling, component replacement, and predictive maintenance options.
How do you ensure service quality?
Our technicians receive weekly training, use digital dispatch systems, and follow standardized service protocols for consistent quality.
Can you help with EPA compliance?
Yes, our refrigerant management program includes EPA documentation support and regulatory compliance assistance.
How many service agreements do you manage?
We currently maintain over 2,500 active service agreements with commercial clients across five states.