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This startup called Enersion, is using low grade heat to produce cooling

Enersion has developed an innovative cooling technology that uses low grade waste heat instead of electricity to produce cooling, resulting in over 70% less electricity consumption compared to regular chillers. In addition, Enersion’s technology uses plain water instead of the synthetic refrigerants that are used in compressor-based chillers that contribute to global warming. The chiller can utilize any low-grade waste heat including solar heat, industrial waste heat or rejected heat of a data center. Their product is a chiller that provides cooling (in the form of cold water) using low grade heat (~ 70 deg C) based on the phenomenon of aDsorption. The chiller uses water as a refrigerant as opposed to synthetic refrigerants (CFCs, HCFCs and HFCs) that contribute to global warming. Enersion’s chiller uses nano-porous materials that have high surface area. This material has the property to adsorb water and allow massive evaporation under vacuum pressure, resulting in powerful cooling.



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