The pipe that is used in most geothermal loops is SDR 11. Most pipe manufacturers have a 50 year warranty against faults and defects.
When installing a geothermal system, if there isn't enough room for a horizontal racetrack maybe you can still get a horizontal slinky loop system to fit in the space you have. You only need 90 feet of trench per loop versus 300 feet for a racetrack.
Why should you consider installing a geothermal system to heat and cool your home? A better question, why wouldn't you? Approximately 70 percent of the energy used in a geothermal heat pump system is renewable energy from the ground. The...