China Solar Hot Water Design Achieves 75 Percent Home Energy Savings

"Utopia Garden" apartment owners in Dezhou, China, save up to 75 percent annual home energy costs through innovative solar thermal installations.

solar thermal design in china
Solar façade integration at Utopia Garden Project: The domestic hot water tanks have been mounted to the outside of the balconies (left, in the picture) behind a wall with horizontal vacuum tubes. The tubes have been placed on top of each other through all 20 floors of the building. 
Photo by Bärbel Epp