The heating power of the earth and the sun work perfectly for radiant.
Leading-edge contractors are harnessing the warmth of the sun, or abundant thermal energy stored below the ground. Here's how a few do it.
Oren Atchley Co. is one of the leading plumbing and mechanical firms of Fort Smith, Ark., and a runner-up in last year's Radiant Panel Association System Showcase Awards. In 2004, the company began work on a substantial residential project that links, as its primary heat source, six direct-exchange geothermal heat pumps, with an extensive, eight-zone, continuous-circulation radiant heat system with all the bells and whistles.