This is funny because I built the panel just like he describes. I thought of it many years ago. Black copper pipes going back and forth with insulation inside a glass covered box. It did not work that well. I was really surprised and disappointed. I believe I used 1/2 or 3/4. Maybe 1/4 would be better.
Good teacher
This is funny because I built the panel just like he describes. I thought of it many years ago. Black copper pipes going back and forth with insulation inside a glass covered box. It did not work that well. I was really surprised and disappointed. I believe I used 1/2 or 3/4. Maybe 1/4 would be better.
This is my first pinned comment, lol.