ElectricalEngineerfor30years
Electratherm Green Machine
By sway Posted on 10.23.2008 CommentsElectratherm’s closet-size device is the first machine to power generators with waste heat of as low as 200ºF, a temperature given off by common boilers or chillers in office buildings. (Industrial waste-heat recyclers require 1,000º blazes.) The heat boils refrigerants into a pressurized gas that spins two small, screw-shaped rotors. From $128,000; electratherm.com
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February 2012: The Future of Fun
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