I think electric solar heating makes sense for a lot of installations. Wires are easier than pipes, we still need electricity, make the existing system larger

I think electric solar heating makes sense for a lot of installations. Wires are easier than pipes, we still need electricity, make the existing system larger rather than split between the two. Heat water during the midday when output is high. I use almost no hot water, so the system would have a long payback period. But I can heat water in a 15A kettle. I love solar thermal, Trombe Walls should be integrated into the construction directly or added after the fact. They are for building heat, not water. https://en.wikipedia.org/wiki/Trombe_wall https://en.wikipedia.org/wiki/Trombe_wall