The demonstrations are showing people how passive solar space heating works, even in the North Country, Kohn says. When the sun shines, the simple FreeHeat systems harness its radiant energy to help heat indoor spaces. Customers have bought FreeHeat panels for a house in Bridport, a garage workspace in Lincoln, and an apartment building in Middlebury.
Most have installed the systems themselves, using the illustrated installation guide provided by Solar Heat Vermont.
Check it Out: Solar Heat Vermont is based in Middlebury. The company builds FreeHeat(tm) solar panels, passive solar space heating systems generically called thermosiphons. A standard collector is 32 square feet, but all panels are sized and built to order for each customer's situation, using local source materials and skilled local craftsmen. For more information, see www.solarheatvermont.com.