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Response to abqtommy (Original post)

Mon Sep 13, 2021, 06:39 AM

3. Fresnel lens solar cooker

Still feasible. Solar hot water too but we're so focused on photovoltaic electricity from cells that "solar panels" has been coopted by the latter installation. Solar hot water - roof top or insulated tank in a mini-greenhouse - can save bundles. Hardest thing is design and maintaining the black energy absorbing coating.

https://www.energy.gov/energysaver/solar-water-heaters

https://www.energysage.com/clean-heating-cooling/solar-hot-water/


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abqtommy Sep 13 OP
Sherman A1 Sep 13 #1
betsuni Sep 13 #2
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bucolic_frolic Sep 13 #3
abqtommy Sep 13 #4
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