"The Natural Philosopher" wrote in message
...
John Stumbles wrote:
On Sun, 10 Jan 2010 10:08:20 +0000, The Natural Philosopher wrote:

Oh the floor may be warn in an hour, but the actual rate at which it
transfers to the rooms is pretty low.

Fair enough: depends on relative output of floor and heatloss of room.
But
the OP was complaining that the floor didn't even get warm.

it may well not if the heating input is marginal and the room is cold.

My open floor spaces are not hugely above ambient at full chat on the
heating.

uh?