On 6 Mar 2006 15:53:46 -0800 someone who may be
wrote this:-

Solar flat panel space heating is little more than a frame, polythene,
black mesh cloth and holes in the wall.

Only if the building being heated is a single room.

If the building has several rooms then one needs to get the hot air
into these rooms.


--
David Hansen, Edinburgh
I will *always* explain revoked encryption keys, unless RIP prevents me
http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54