On Aug 5, 5:39*pm, "Percival P. Cassidy" wrote:
My brother-in-law and his wife are planning to retire and build a custom
home with as many energy-saving and eco-friendly features as possible.
Since they're likely to be stuck with HOA rules about exterior
appearance, solar panels on the roof are probably out, but they were
wondering about simply running water pipes through the roof space.

Does this have possibilities?

Perce

If they were putting in as many energy saving things as they could
they wouldnt need the utility co, it would be solar.