Marine Refrigeration Chiller Systems

 Throughout the years, Berg has been an internationally regarded and specified Marine HVAC and specialized marine chiller (sonar room, weapons hold) design and supplier. Berg has provided marine chillers to shipyards, fishing vessels, coast guard, military vessels and oil rigs of all sorts, world-wide. Our capabilities include seawater-cooled packages for HVAC, complete with standby capabilities, to outdoor chillers for on-board application.

  • Features and Benefits
  • Technical Information
Marine Refrigeration Chiller Systems

A Marine Refrigeration System is a key element to assure the quality of the cargo on board. It usually consists of a compressor, a condenser, an evaporator, an expansion device and a suitable refrigerant. Berg understands that no vessel is the same, and we will always deliver custom-designed solutions to provide you with the most suitable refrigeration systems. Our qualified sales and service representatives around the world make us a truly global partner that will be here today and long into the future. 

Features and benefits  

  • Custom engineered design 
  • Factory tested and certified 
  • Energy efficient 
  • Cost effective 
  • Seawater cooled package available 



Codes and Regulations

Berg marine refrigeration chillers are designed and built to meet or exceed the following underwriters’ regulations:

  • Lloyds of London
  • American Bureau of Shipping
  • Bureau of Veritas of France
  • Canadian Coast Guard
  • U.S. Coast Guard
  • Canadian Steamship Inspection


  • 460 / 575 / 230 / 380 Volts      60 / 50 Hz
  • 120 / 240 Volt single phase control voltage
  • Microprocessor controller
  • Operating and fail lights
  • UL or CSA approved components

Central Thermostat Control System

This system is used to control chiller units in a multiple central chilling system. The temperature controller is located at the Berg tank and senses the process water temperature. The process water temperature is maintained by cycling the chiller units.

Safety Controls

Tested under load conditions prior to shipment All safety controls are factory set and checked

  • Freeze-up controls
  • High and low refrigerant pressure controls
  • Compressor motor overload protection
  • Tank low-level cutout (glycol units)
  • Oil pressure safety control
  • Refrigerant pressure relief valve

Central Control Electrical Panel

A custom electrical control panel allows one point hookup and may include:

  • HMI (Human Interface Device) touchscreens
  • PLC (Programmable Logic Control)
  • SCADA (Supervisory Control And Data Acquisition) Communication Systems
  • 24/7 alarm reporting to beepers or cell phones

All pump starters, fuses, disconnect, control voltage transformer, run and fail lights, are housed in a common NEMA rated panel.

Custom Engineered

Berg engineers work with you to custom design the blown film cooler that will meet your economic and functional needs.

24/7 Technical & Service Support

Berg is available to you 24/7 for technical and service support.

Energy Efficient

All of Berg’s blown film machines come equipped with high system efficiency features.