The machine includes a large solar panel and a water tank. The panel consists of 18 glass tubes made of stainless steel aluminum nitride cermet that work as the solar-absorbing layer. The gathered heat is then used to warm up the water in the tank.
According to the owner of the house, the 40 gallon tank is enough to replace four electric water heaters previously used in four bathrooms. This replacement saves her about $10 a month on her electricity bills. The owner paid $760 to have the machine installed , both parts and labor including new pipes and other accessories.
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