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• 13:44, 14 July 2026 VLWDorthy9061795 talk contribs created page The Anatomy Of Solar Water Heater (Created page with "<br><br><br>The standby losses decreased from 30W to 22W. (0.520 kWh/day or 21.7W common over 3 days 18 hours) It value $15 and can save $7.5/yr. To about 10% accuracy; that is 30W common or 0.72kWh/day or 4.24 power cycles per day or it turning on for 7:15 min each 5.7 hours. It takes 90 minutes to heat the tank when stuffed with chilly water so working for 7:15 is 7% common on-time each 8h 38min. Ie it looses 7% of it is whole heat aprox. Given: ambient temperature of...")