His system is pretty ingenious. He sets poles to his design in November to frame the castle and uses cold water (about 37 degrees) from his geothermal heat pump to shape it. Hanson has a computer program that reads weather forecasts and controls when cold water will spray the frame to “grow” the ice castle. The sprayed water freezes when it hits the poles, thus forming these amazing ice castles. [Inhabitat]
Walter Echols
Monday, March 7, 2011 at 11:09 AMI read an article in the Washington Post by Philip Kennicott about use of geothermal Heating and Cooling on the new Creation Museum in Petersburg, KY. This is even a more creative use for a geothermal heat pump! Loved the article. Google “Geothermal Book” for more information.