Vertical loops use the least amount of space and are thus the most practical, and sometimes the only choice for small lots. Drilling the vertical holes can increase the time to realize a return on your investment. They require less area than the standard horizontal loops and are generally more economical than vertical loops. Other possible types are open well and pond closed loop . Both types require specific conditions at the building site to be installed.
Every geothermal manufacture offers somewhat different products each with different advantages.
Ground Loop can help you find out which features are hype and which are practical advantages for your individual needs. Other Considerations Piping Special thick but flexible piping is used in geothermal installations. The most commonly used type of pipe is high quality, high density polyethylene. All below-grade connections must be made by heat fusing, which yields connections stronger than the pipe itself and without any threads. Ground Loop guarantees their loops for twenty years.