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The CoolSaverTM Marine Refrigeration Controller           

More than a thermostat or speed controller

A modern, cost effective digital controller that minimizes battery energy requirements for marine refrigeration systems.



  • Minimizes battery energy consumption and controls temperature accurately.

  • Cost effective.

  • Easy to install.

  • Suitable for any refrigeration system that uses Danfoss BD35F, BD50F or BD80F compressors with either holding plates or evaporators, and air or water cooled condensers. (Dometic-Adler Barbour, Isotherm, Nova Kool, and others).

  • Does not require, but enhances Danfoss AEO (Adaptive Energy Optimizing) compressor controller.

  • Charge SenseTM technology detects available excess power. It saves energy by automatically taking advantage of excess available power from any source; alternator, generator, wind generator and solar power.

  • Displays temperatures in Fahrenheit or Centigrade and has a full set of status indicators.

  • Records lowest and highest temperature. Has manual reset.

  • Temperature alarms with buzzer, and programmable shutdown on high condenser temperature.

  • Continued refrigeration if thermistor probe fails.

  • Warm food load feature.

  • Energy Saving Mode.

  • Fully configurable from the front panel.

  • Low space requirement: 1.14” x 2.8” (29x71mm) panel cutout.

  • Manual and programmable automatic defrosting.

  • Uses sealed stainless steel solid state thermistor probes.

  • Front panel is IP65 water protected. Conformal coating on electronics protects against the marine environment.

  • 100% redundancy - automatic switch-over to a mechanical backup thermostat if CoolSaver is not powered or malfunctioning.

CoolSaver was designed by BostonBase Inc.- a software and controls company that since 2003 has been developing control solutions for refrigeration with an emphasis on energy savings.


  • Remote access via web browser

  • Can send emailed alarms via cellular network

  • Hot key” programming

  • Alarm output can be connected to other systems

Last Updated on Monday, 20 September 2010 12:09