Mikey wrote:

Also he must be a very rich guy. They installed radiant heating under an outdoor
walkway so that he wouldn't have to shovel it in the winter. How much is THAT
going to increase his heating cost in the winter?

Not nearly as much as you might think, but in any event it's a drop in
the bucket when you're spending a couple hundred grand for a staircase.
http://www.concretenetwork.com/concr...tems/costs.htm

R