Well, electric radiant heat would be pretty expensive, especially nowadays in California.
Hot water heated by something other than electricity is another story.
If you set up the system right, you might even be able to get the system to thermosiphon, so that you wouldn't even have to run a circulating pump. Just heat the water and let it go. The equation is not just an economic one. Speireag Alden, aka Joshua Macdonald Alden Usually found somewhere in the wilds of New Hampshire.