"Phil Scott" wrote in message
...

"HeatMan" wrote in message
. ..

"Phil Scott" wrote in message
...

Replacing the existing will be cheaper first cost by a wide
margin. a high effiency furnace, 90% or better will be
cheapest to run/

If you want AC in the bargain go for a split system heat
pump
instead of a gas furnace.

forget the radiant heat on a retrofit.


Why?

I do it quite often....


Post the details then.

What kind of details do you want?


Im sure its workable. Im just not so sure its cheaper on
balance to own and operate than forced air in his case...
expecially *if he wants air conditioning in the mix/

Radiant is cheaper to operate, but not anywhere near as cheap to install.
You can have radiant cooling, but the surface temps have to be above the dew
point.

I think the OP is in Canada. They won't have quite the cooling needs as
someone in Miami...