An anonymous reader writes: The German Fraunhofer research institute has created the spin-off company SorTech, which plans to produce air conditioning systems that are run by solar heat. This mind-boggling feat is achieved by a thermo-chemical process called sorption. The technology could help to satisfy the increasing energy consumption used for air conditioning. It seems to be a perfect application for using solar energy: Good efficiency is possible by avoiding a conversion from heat into electricity and back to cooling energy. It also does not need a long term energy storage system, because the energy needed for cooling spikes exactly at the time, when most solar energy is available.
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