How one family is living off the grid | MNN - Mother Nature Network
How one family is living off the grid | MNN - Mother Nature Network
Solar panels and LED follow Haitz law. Every 2 years efficiency per Watt doubles that means, more power from solar and less power needed to get same results.
Wal-mart my Goddess of efficiency and saving, is installing solar panels , and LED everywhere, that tells me it must make economical sense.
Solar panels and LED follow Haitz law. Every 2 years efficiency per Watt doubles that means, more power from solar and less power needed to get same results.
Wal-mart my Goddess of efficiency and saving, is installing solar panels , and LED everywhere, that tells me it must make economical sense.
Comments
Post a Comment