Finally, in July, we put in a whole-house cooling fan and whole ... the total cost for all our energy-efficient improvements and our solar system, including labor, came to $43,000.

And if you’re on the grid, you can sell the energy you produce back to the power company. Solar shingles are interconnected ...

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After growing tired of regular blackouts, one homeowner installed a solar panel system and battery ... They were the "only house on the whole street with the lights on all evening." ...