In article s.net,
Doctor Drivel wrote:
So if efficiency of a 25 year old boiler was about 70%,

More like 55%.

More numbers plucked out of the air.

If it were 55% and your modern boiler was 108% or whatever it would near
half the gas consumption. And not even the wildest of advertising claims
that.

--
*I'm really easy to get along with once people learn to worship me

Dave Plowman London SW
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