TIME.com: Capturing body heat in train station to power nearby office building
On April 15 TIME.com's Health & Science section featured an article detailing how Swedish engineers have developed a way to transfer the body heat generated in Stockholm's Central Train Station to a newly refurbished office building down the street.
Recycling body heat is not a new concept, the Mall of America in Minneapolis, MN, is a current example, but according to Karl Sundholm, real estate project manager for Jernhusen and co-creator of the system, "It's just pipes, water and pumps, but we haven't heard of anyone else using this technology in this way before."
Jernhusen, who also owns the station, expects to lower the energy costs in the office building by as much as 20 percent per year. And constructing the new system only cost the firm about $30,000, Sundholm says, "It pays for itself very quickly."
Immediate obstacles to consider for mass use of the technology is the proximity of the locations sharing such a heating system, and the insurance that enough people will consistently show up to keep it operable.
Ulla Hamilton, Stockholm's deputy mayor, has faith, claiming that "Sweden has always been very good at engineering and energy," and they "make sustainability a large part of their culture."
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