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50+ Years
experience
Emergency
services
Expert HVAC & Refrigeration Services in St. Louis
Midwest Refrigeration Service has been a trusted leader in commercial and industrial HVAC and refrigeration services since 1970. Our St. Louis-based team of licensed engineers and service technicians brings over 140 years of combined experience to deliver cutting-edge solutions for HVAC systems, refrigeration equipment, and specialized climate-controlled environments. We prioritize proactive maintenance programs to maximize efficiency and minimize downtime while offering 24/7 emergency service to address urgent operational needs.

Our expertise spans industries including beverage bottling, medical imaging, cold storage, and industrial facilities, ensuring tailored solutions that meet each client's unique requirements. With a customer-first approach, we combine technical proficiency with personalized service to maintain our reputation as a reliable partner for climate control challenges.
Services
HVAC Repair Refrigeration Systems MRI Chiller Maintenance Planned Maintenance Industrial Refrigeration Emergency Service Cold Storage Solutions System Installation Equipment Inspection Climate Control
Details
  • Year established: 1970
Highlights and features
  • We offer 50 years of specialized HVAC and refrigeration expertise.
  • Our 24/7 emergency service responds to critical system failures promptly.
  • Licensed technicians service all brands and types of industrial equipment.
  • Planned maintenance programs reduce emergency repair costs by 40%.
  • We serve 15+ industries including medical imaging, cold storage, and manufacturing.
What people say
Absolute professionals Highly recommend Pleasant technician Knowledgeable Efficient service
Services
HVAC Repair
Our licensed technicians provide emergency and scheduled repairs for all commercial HVAC systems, including rooftop units, split systems, and ductless systems. We diagnose issues quickly to minimize downtime while ensuring optimal temperature control for industrial and office environments. Our 24/7 service guarantees rapid response to critical system failures.
MRI Chiller Maintenance
Specialized maintenance and repair services for MRI chiller systems ensure uninterrupted medical imaging operations. Our technicians handle helium-compressed cooling systems with precision, preventing costly equipment damage and appointment cancellations through regular inspections and preventive maintenance programs.
Planned Maintenance
Customized maintenance programs extend equipment lifespan while reducing emergency repair costs. We conduct seasonal inspections of HVAC, refrigeration, and specialty climate systems to identify potential issues before they cause operational disruptions in warehouses, manufacturing facilities, and commercial buildings.
Industrial Refrigeration
Comprehensive service for ammonia and freon refrigeration systems in industrial settings includes routine maintenance, emergency repairs, and system upgrades. Our Hazmat-certified technicians handle complex cold storage requirements for food processing facilities, distribution centers, and pharmaceutical storage environments.
Emergency Service
Immediate response for critical climate control failures operates around the clock to restore operations swiftly. Our emergency team addresses HVAC breakdowns, refrigeration system failures, and specialty environment equipment malfunctions with same-day service availability across the St. Louis metropolitan area.
Questions
What HVAC services do you offer for commercial buildings?
We provide complete HVAC services including repair, maintenance, installation, and emergency response for commercial buildings. Our technicians handle all system types including rooftop units, split systems, and ductless systems.
Do you offer 24/7 emergency HVAC service?
Yes, we provide 24/7 emergency service for critical HVAC and refrigeration system failures with immediate response technicians available at 314-432-7655.
What areas do you service?
We serve commercial and industrial clients throughout the St. Louis metropolitan area, including Missouri counties St. Louis, St. Charles, Jefferson, and Franklin, plus Illinois counties Madison and St. Clair.
Do you service medical refrigeration equipment?
Yes, we specialize in MRI chiller systems and other medical refrigeration equipment with scheduled maintenance and emergency repair services to prevent costly downtime.
What maintenance programs do you offer?
We offer customized planned maintenance programs with seasonal inspections to optimize system performance, extend equipment lifespan, and reduce emergency repair costs by up to 40%.