The U.S. is among the countries bringing portable AC units to the Paris Olympics this summer since the Athletes' Village won't have any. Many athletes are worried about competing in extreme heat.
This system of water pipes could have made for excellent, very low energy heat pumps. Imagine how efficient that could be with a ground source only 5-10° away from comfortable at all times!
This system of water pipes could have made for excellent, very low energy heat pumps. Imagine how efficient that could be with a ground source only 5-10° away from comfortable at all times!