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50+ Years
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Emergency
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Trusted Commercial Refrigeration & HVAC Services in Williamsport
Refrigeration Service Company has been a trusted provider of commercial refrigeration and HVAC solutions since 1972. As a family-owned business, we specialize in the design, installation, and maintenance of industrial refrigeration systems, supermarket refrigeration, and heating ventilation and air conditioning systems. Our team of highly trained technicians provides 24/7 emergency service to ensure uninterrupted operations for clients across Northcentral Pennsylvania. With decades of experience serving supermarkets, restaurants, manufacturing facilities, and refrigerated warehouses, we combine technical expertise with personalized service to meet diverse client needs.

Our commitment to quality is demonstrated through preventive maintenance contracts that enhance equipment efficiency and longevity. We work with leading manufacturers like Manitowoc, Carrier, and Hoshizaki to deliver cost-effective solutions tailored to commercial and industrial applications. Backed by a legacy of reliability since our founding, we prioritize customer satisfaction through responsive service and technical excellence.
Services
Commercial Refrigeration Installation HVAC Maintenance Emergency Repairs Preventive Maintenance Contracts Industrial Refrigeration
Details
  • Year established: 1972
Highlights and features
  • Family-owned since 1972 with deep industry expertise
  • 24/7 emergency service for critical system failures
  • Technicians trained on major commercial equipment brands
  • Preventive maintenance contracts to extend equipment lifespan
  • Serving diverse industries including food service and manufacturing
Services
Commercial Refrigeration Installation
We design and install complete commercial refrigeration systems for supermarkets, restaurants, and industrial facilities. Our technicians handle walk-in coolers, beer dispensing equipment, and food display cases. We work with major brands to ensure reliable, energy-efficient cooling solutions for businesses of all sizes.
HVAC Maintenance
Our preventive maintenance programs optimize HVAC system performance and longevity. We service heating, ventilation, and air conditioning systems across commercial and industrial applications. Regular maintenance reduces breakdowns and improves energy efficiency for cost-effective climate control.
Emergency Repairs
We provide immediate response for critical refrigeration failures with 24/7 emergency repair services. Our on-call technicians address system malfunctions at any hour to minimize downtime for businesses dependent on temperature-controlled operations across Northcentral Pennsylvania.
Preventive Maintenance Contracts
Customized maintenance agreements help businesses avoid unexpected equipment failures. Our contracts include scheduled inspections and servicing for commercial refrigeration and HVAC systems, ensuring optimal performance while extending equipment lifespan through proactive care.
Industrial Refrigeration
We specialize in industrial refrigeration systems for manufacturing facilities and cold storage warehouses. Our solutions handle extreme temperature requirements and large-scale cooling needs. We service complex systems including low-temperature freezers and industrial ice machines for continuous operation environments.
People
John H. Dieffenbach III
Owner/Operator
John H. Dieffenbach III has led Refrigeration Service Company since 1982, continuing the family legacy established in 1972. With decades of hands-on experience in commercial refrigeration, he oversees operations and technical services while maintaining direct client relationships.
Questions
What types of businesses do you serve?
We serve supermarkets, restaurants, manufacturing facilities, refrigerated warehouses, colleges, convenience stores, and other commercial clients requiring refrigeration and HVAC systems.
Do you offer emergency repair services?
Yes, we provide 24/7 emergency repair services with technicians available at all hours to address critical refrigeration and HVAC system failures.
What geographic areas do you cover?
We service clients throughout Northcentral Pennsylvania, including Williamsport and surrounding commercial and industrial areas.
What equipment brands do you work with?
We service major brands including Manitowoc, Carrier, Crown, Hoshizaki, Perlick, Beverage Air, and True equipment in commercial and industrial settings.
Do you offer preventive maintenance plans?
Yes, we provide customized preventive maintenance contracts to extend equipment lifespan and improve system efficiency for commercial refrigeration and HVAC systems.
Reviews (1)
Mike Matukaitis
Aug 22, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Vince was amazing to work with on our walk in cooler. I highly recommend this company.
Service:Refrigerator/freezer repair