A breakthrough refrigerant-free technology that decarbonises heating and/or cooling using solid-state heat pump technology.
Unreasonable actively supported Exergyn from September 2016, but the company is no longer part of the Unreasonable Community.
Currently Operating in Three Regions
Press Mentions

January 21, 2022
Dublin’s Exergyn pulls in $35M Series A for solution which replaces GHG-causing refrigerants
Dublin-based Exergyn replaces refrigerants with solid materials, thus reducing the output of greenhouse gases. The technology could be applicable in data centers. The industrial-grade cleantech...
Read on TechCrunch »
December 4, 2017
Shape-Shifting Metals Could Generate Electricity from Wasted Heat
A prototype waste-heat engine runs by cycling hot and cold water through its pistons
Read on Scientific American »More Ventures in Energy & Environment
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