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How I made a solar door bell
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09-24-14, 10:45 PM
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gtojohn
Journeyman EcoRenovator
Join Date: Jul 2014
Location: Austin, TX
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hvac was a control 40va transformer powered 24/7. If you have a heatpump sometimes its a 60va. It would be difficult to remove and keep the convenience of your thermostat.
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