In message , ARWadsworth
writes
"Graeme" wrote in message
...

The only downside is reminding the family that hot air rises - it is
fairly pointless having just the downstairs heating on, with all the
bedroom doors wide open :-)

The you have teenagers or cats. One leaves the door open, the other
expects the door to be left open.

Grin Almost - a wife, a six year old who knows everything, and two
cats :-)
--
Graeme