Solar is making a comeback! The interest is growing in the market now for solar space heating. One of the best green solutions for heating systems with solar thermal collectors is integration with radiant floor heating systems, particularly those with slab floors. The benefits of comfort, as well as energy savings, are well known for radiant floor heating, but I want to point out a less acknowledged advantage to heating a slab floor-the opportunity to save 50-70% on operating costs with the integration of a solar thermal system. Solar-integrated radiant floor slabs are about as practical a solution for a green heating alternative as you could imagine. With radiant floors, the building envelope can be integrated right into solar collection, because the slab floor is actively charged with the solar energy resource.
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