Gallery: Science City Stores Warm Air from Summer to Heat Buildings in ...


Humans are pretty temperature-sensitive creatures, which means we use a ton of power every year through heating and air-conditioning systems. But imagine if there were a way to save the summer’s hot air and use it to heat buildings throughout the winter. Sounds like science fiction, right? Well one Swiss University has a plan to make that dream a reality with their campus, Science City.

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  3. Jim_2010 July 20, 2010 at 3:12 pm

    This energy system is far out of date and very expensive compared to other systems of heat storage and reuse. Over three decades ago, I created a hybrid-passive solar system that is used worldwide and far less expensive.
    Instead of air-to-air, you simply use an air-to-water heat pump to store the excess heat in water in a tank buried under the structure. Then, in the winter, the heat is brought back as nice radiant heat at about 20% of what it would cost to produce the same BTUs in the winter.
    It is now the standard in the Shetland Islands in the North Sea where it is also part of a simple system which provides year ‘round heat to their commercial greenhouses yet they have no connections to utility companies. By using the whole Shetland Island commercial greenhouse system, Science City could be close to utility independent as well. As my experience shows, it also works well using indoor swimming pools instead of the buried tank.

  4. fidelstix July 15, 2010 at 5:32 am

    Drake\’s Landing Solar Community system went live in 2007.

    Natural Resources Canada, a federal department of the Government of Canada, conceived the project and there are regular progress reports at

  5. jdub July 14, 2010 at 12:18 pm

    This is nothing new – its called “geothermal” HVAC and I have it on my house today…

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