Solar shingles are expensive and unproven. I recommend Sun Power photo voltaic solar. An average home is $20,000 to $30,000 and the return on investment is 4 to 6 years on a 25 plus year system.
Hi Charles. Allen Construction has a two part answer to your question: 1) In terms of energy efficiency, you will get the best protection from solar heat gain by putting a shade on the outside of the ... read more