The gap from net-zero house to net-zero commercial building has now been bridged. This 30,000 square foot building cost $10.5 million dollars. It's three months ahead of schedule and five per cent under budget. It's bright and roomy with beautiful exposed wood beams, feature stairs and a three storey living wall in the foyer.
While some might turn their noses up at the current economics of solar thermal hot water systems less developed countries without our huge natural gas grid are jumping all over the opportunity. China has by far the most installed capacity with 117,600 megawatts of domestic solar thermal hot water systems as of 2010.
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