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Andy Hall
 
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Default underfloor heating - running costs

On Mon, 8 Sep 2003 22:40:38 +0100, "IMM" wrote:

There is a PDF at


http://www.dti.gov.uk/energy/inform/...nbrief2003.pdf

which confirms Peter's points. See pp20. The figures are
normalised at 1990 and go back to 1970 and forward to last year.


It doesn't say what the prices represent. KW, therms. What? One thing

is
for certain in the 1960/70s gas heating was going in like wildfire. Those
who could not afford it fitted gas fires. If electric was so cheap gas

fires
would not have been sold at all,as electric fires were cheaper than gas

and
no fitting expense. Gas was cheaper to run, that is why it took off like a
rocket in the 1960s - High Speed Gas, remember that?


Have another look. According to page 20, in 2002 electricity is cheaper than
gas. As we all know this is balls. The graph is only projecting backwards
and forwards from 1990, which is very misleading.


There's no need. It's abundantly clear that this is normalised data
to 1990 and shows comparative prices.

You could normalise at any other date and easily calculate the
numbers.

There is a more detailed explanation at

http://www.dti.gov.uk/energy/inform/...shtml#section2



..andy

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