Hi all, Real question: is it every really a good idea to retrofit existing hardwood floors with radiant heating elements? The only time I've ever seen this done, there was major popping and expansion of the floor boards, and the client was clearly overheating the houses attempting to maintain something similar to the feeling of heated air that comes from a forced air furnace. So now, I've got a client with house built in 1947, with existing Oak hardwood floors. Rubes in my client's life keep telling them to have radiant floors installed, but I keep saying it's a fundamentally bad idea, unless they want to rip out the hardwood and completely replace the floors. But IS THERE a way to add radiant heating to existing hardwood that is efficient and cost effective?