"David Hansen" wrote in message
...
On 28 Nov 2005 12:06:58 -0800 someone who may be
wrote this:-

But recognise that that is not a necesarily true figure. Household
water consumption can vary widely depending on whether the householder
wants to conserve or not.

Agreed. That is one of the issues the Sustainable Development
Commission's report on micro generation covered.

One of the long-standing failings of the training of engineers in
the UK is that we tend to have an over-reliance on figures and try
and airily dismiss such "social" arguments.


http://www.sd-commission.org.uk/news...e&article_id=F
K7OVZ8-BV9MRDZ-HKMFYS8-5OZZIS2

Best to only use machines as a last resort. All proven and a part of the
design:
http://tinyurl.com/bhxxp Since 1961 A school near Liverpool has been
heating itself.