The Smart Guide to Geothermal: How to Harvest Earth's Free Energy for Heating and Cooling
Don Lloyd is an electrical engineer now retired from Honeywell after 35 years in marketing, engineering and project management. He has extensive experience in taking complex subjects (such as laser gyroscopes or mosaic infrared detectors) and explaining how they work in terms understood by the general public. Don and his wife live happily with their own geothermal system in the Hudson River Valley of New York where oil trucks pass by their new home, but never stop.