Entries for May 21, 2006

When it comes to cheap, renewable energy, nothing seems more reliable than sucking heat from Mother Earth. Geothermal heating and cooling has been around for 20 years or more, but it remains unknown to most people—we didn't know about it until a friend installed it, and neighbors hadn't heard of it until a huge drilling rig began the noisy, two-day process of boring holes in our small back yard.