Do It Yourself installation instructions for installing a geothermal heat pump's horizontal earth loop. Ten years ago geojerry learned about the problems that contractors have with installing geothermal heat pumps and is trying to educate the potential geothermal customer so they can get a correctly sized, designed, and installed geothermal heat pump system. Here are the chapters in the book; Page 9 Chapter One Be Smart And Do Not Guess What Size Earth Loop You Need Page 12 Chapter Two Horizontal Loop Location And Layout Page 17 Chapter Three Horizontal Loop Trench Excavation Page 23 Chapter...