New thinking has emerged on using the earth’s own heat. Experts say geothermal systems can be installed just about anywhere since the earth is about 55 or so degrees near the top of its crust. Heat pumps run by electric motors can tap this non- polluting and virtually inexhaustible supply of energy and use it […]
In Aspen and Pitkin county, Colorado, a new building code requires new homes to meet a strict energy budget. Homeowners who go over the budget by consuming extra energy have the option of installing a renewable energy system or paying a hefty tax to support energy-saving projects. John Ryan reports.