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50 Years
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Emergency
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Industrial Refrigeration & HVAC Solutions in Sioux City
Founded in 1976 in Sioux City, Iowa, AC & R Specialists has established itself as a leader in industrial refrigeration and HVAC solutions. Our team of licensed engineers, project managers, and skilled technicians brings over 100 combined years of expertise to commercial and industrial refrigeration system design, installation, and maintenance. With Professional Engineering Licenses in 39 states, we deliver nationwide service across 36 states, specializing in ammonia refrigeration systems for food production, cold storage, and distribution facilities. Our commitment to quality is reflected in our 24/7 on-call service technicians, in-house fabrication capabilities, and state-of-the-art CAD design resources.

We maintain extensive parts inventory while offering competitive pricing through our national construction business. Our success stems from repeat customers who trust our ability to meet tight deadlines while exceeding expectations through technical expertise and personalized service. From retrofits to new construction projects, we combine advanced engineering tools with hands-on experience to deliver reliable, code-compliant solutions tailored to each client's unique requirements.
Services
Design & Installation HVAC/R Service Parts Sales Ammonia Systems 24/7 Emergency Service CAD Engineering Preventive Maintenance Mechanical Integrity Compressor Analysis Retrofit Projects
Details
  • Year established: 1976
Highlights and features
  • Over 100 combined years of refrigeration system design experience
  • 24/7 on-call service technicians with immediate response
  • Licensed engineers in 39 states for nationwide compliance
  • Competitive pricing through national construction business scale
  • In-house fabrication shop for custom piping solutions
Associations and certifications
  • Professional Engineering Licenses in 39 states
  • UA National Service and Maintenance Agreement
  • RETA certified Ammonia Technicians
Services
Design & Installation
Our licensed engineers deliver complete refrigeration system design and installation services. With 3D CAD capabilities and 100+ years combined experience, we handle retrofits, new construction, and facility expansions. Our team ensures code compliance and operational efficiency for industrial ammonia systems and commercial HVAC applications.
HVAC/R Service
24/7 emergency and preventive maintenance services for commercial refrigeration and HVAC systems. Certified technicians service grocery stores, restaurants, and industrial facilities. We offer mechanical integrity inspections, compressor analysis, and RETA-certified ammonia system maintenance to ensure optimal performance and safety compliance.
Parts Sales
Competitive pricing on industrial refrigeration parts and equipment. Our inventory includes compressors, valves, sensors, and control systems from leading manufacturers. When parts aren't in stock, our national network ensures rapid procurement while maintaining quality standards for critical temperature control components.
Ammonia Systems
Specialized ammonia refrigeration system design, installation, and maintenance. Our certified technicians handle high-pressure systems in food processing and cold storage facilities. Services include piping stress analysis, relief system evaluations, and laser-scanned retrofit projects for precise system integration and safety compliance.
24/7 Emergency Service
Immediate response refrigeration and HVAC repair services available 24 hours daily. Direct access to on-call technicians ensures minimal downtime for critical systems. Our rapid deployment team addresses emergencies in food production facilities, cold storage warehouses, and commercial operations with urgent repair capabilities nationwide.
Questions
What industries do you serve?
We specialize in refrigeration and HVAC systems for food production, cold storage warehouses, grocery stores, restaurants, and industrial manufacturing facilities across 36 states.
Are your technicians available after hours?
Yes, we provide 24/7 emergency service with direct access to on-call technicians for urgent refrigeration and HVAC repairs.
Do you offer preventive maintenance?
Yes, we provide comprehensive preventive maintenance agreements including mechanical integrity inspections and compressor vibration analysis to prevent system failures.
Can you handle nationwide projects?
With engineers licensed in 39 states and nationwide service capabilities, we successfully complete refrigeration projects in 36 states with proper state compliance.
What makes you different from competitors?
Our combination of 100+ years engineering experience, 24/7 service, in-house fabrication, and competitive pricing through national scale distinguishes our comprehensive refrigeration solutions.
Do you sell replacement parts?
Yes, we offer competitive pricing on industrial refrigeration parts with extensive inventory and rapid procurement capabilities for specialized components.