I have books that show me how to build my own collector and drain back tank, so I can build a pre-heat system to augment a propane hot H2O heater. I'm on the grid in Texas but would like to be less vulnerable when the inevitable boogie men come for our <insert stuff here>.
Should I build a pre-heat or go all out and try for something 100% sun driven?
I've been looking for American Solar King collectors in case of the latter (hard to find).
Should I build a pre-heat or go all out and try for something 100% sun driven?
I've been looking for American Solar King collectors in case of the latter (hard to find).
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