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Old 12-30-20, 02:19 PM   #18
WillyP
Lurking Renovator
 
Join Date: Jul 2020
Location: Virginia
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Jeff:
I am not using it for domestic hot water. I will be using an electric hot water heater, powered by the PV panels (grid tied system).
I will be heating the whole house.
The Evacuated tubes will heat about seventy gallons of water. That water will feed heat exchangers inside the underground tanks and the discharge tank. Each tank will have its own thermal switch, with its own pump. That way I can regulate the temperature of the water that feeds the radiant floor heater.
The heater itself will have its own PV panels with battery backup. It wont be attached to the main system for the house. That way it will work in a power outage.
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