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Search: Posts Made By: Piwoslaw
Forum: Solar Heating 03-20-10, 08:26 AM
Replies: 70
Views: 60,440
Posted By Piwoslaw
Xringer, I found an article on PV HW in Popular...

Xringer, I found an article on PV HW in Popular Science, February 1995, p.41...
Forum: Solar Heating 12-29-09, 02:12 PM
Replies: 70
Views: 60,440
Posted By Piwoslaw
What about efficiency? Just the PV's are...

What about efficiency?
Just the PV's are 10%-15% efficient, plus resistor efficiency.
I'm guessing that solar hot water systems can be 30% efficient (BIG ?).
On one hand, I'm an efficiency buff,...
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