With a few refinements, a couple of separate speakers during opening day of the Radiant Panel Association’s Annual National Conference and Radiant Expo, Aug. 22-24, Hartford, Conn., underscored just how eco-friendly radiant systems can be.

Not only is a ground source heat pump an ideal solar thermal collector, said Jeff Persons, Geo Source Inc., but when coupled with a radiant heat distribution system, it is highly energy efficient and comfortable.