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First started by a Swedish real estate company by the name of Jernhusen in 2011 in Stockholm, the idea of using the heat generated by commuters in a busy building to keep the building warm has caught the attention of many eco-friendly architects, naturalists and public in general across the world.
First started by a Swedish real estate company by the name of Jernhusen in 2011 in Stockholm, the idea of using the heat generated by commuters in a busy building to keep the building warm has caught the attention of many eco-friendly architects, naturalists and public in general across the world.