The Solar Thermal is in as well!
The Solar Thermal system contains glycol, which flows through tubes inside the collector and is heated in by the Sun. The heated glycol then flows into the house, into a coil inside the hot water holding tank. The Sun heated glycol warms the water inside the tank through heat exchange, reducing the amount of energy needed to heat hot water for the showers I love.
Between the energy we make with the PV, the energy we save with the Solar Thermal and the energy efficient lighting, insulation and windows, we will be close to break even. It's possible we may even make money!
Don't let anyone tell you Renewable Energy isn't a good investment. It pays off.
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