A closed pond loop is not as common. It has been becoming increasingly popular. A pond loop is formed by placing coils of pipe at the bottom of an appropriate sized pond or water source. A closed Pond Loop has been promoted by the Department of Natural Resources. It support geothermal systems and the use of ponds loop close up and the pond loop as it about to be sunk to the bottom of a pond. It is unusually large for most residential applications, it has a filed for 12 ton system. It is very much similar to Slinky Loop, just difference is that it is attached to a frame and it is located in a body of water versus soil.

A closed pond Loop system is very much economical if a home is near a body of surface water such as a pond or lake. Polyethylene piping being used in closed loop through which fluid used to circulates, it is same as ground loops.

Workers run the pipe to the water then they submerge long sections of pipe under water. It is necessary to fit in slinky shape provided that pipe should be get fit in given amount of space. It is recommended by Geoexchange expert that the closed pond loop should be used only when water level never drops below six to eight feet at its lower level to assure sufficient heat transfer capability. There should be no adverse impacts on aquatic system while using pond system.

If sufficient body of water is close to your home, then it is easy to install pond loop. Closed loop can be coiled and sunk in to the bottom. Fro average home