<http://schema.org/about>
"Radiant heating is lovely and comfortable, but the best installations are in concrete, and that gets time consuming and expensive as installers put down insulation, then wire mesh, then tie the tubing to the mesh and hope that"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/green-architecture/creatherm-finally-a-rational-system-for-installing-radiant-floors.html>