Abstract
The Solafern system is a complete residential solar space heating and hot water system. When installed in a highly insulated energy saver home, the solar system can supply a large percentage of the total energy demand for space heating and domestic hot water. Low maintenance, durable and efficient air heating collectors are used. The collectors have a selective absorber and a tempered glass cover nearly one-quarter of an inch thick with an aluminum frame. The solar energy can be delivered directly to the living area when there is a demand; otherwise, it is stored in the form of hot water. Hot water storage is accomplished through the use of an air-to-water exchanger. The hot water storage is used simultaneously to preheat the domestic hot water, as well as to store energy for space heating. The system has a one-year warranty on all parts and service and a five-year warranty on the collector, except for glass breakage. The service life of the collector is estimated as 30 years.
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