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Posted by on December 4, 2008, 12:36 pm
> On Dec 3, 10:41=A0am, "Cwatters"
.
> > On Dec 2, 2:40 pm, "Cwatters"
> > >> Sorry if anything has been lost in translation (I'm English).
> > >Thats electric, and it really 99-100% efficent, OP is talking Gas.
> > Ah thanks. We would call them Boilers or central heating boilers.
> > Since April 2005 all gas boilers in the UK have been condensing types. =
Non
> > condensing types can only be about 88% efficient but condensing types c=
an be
> > 90+% efficient..
> > Example:http://www.worcester-bosch.co.uk/installer/products/gas-fired-b=
oilers...
> > The oil boiler I have is 92-93% efficient...http://www.grantuk.com/prod=
uct/28
> > but there are different ways to calculate efficiency. This explains how=
to
> > get a headline rate of 102% ...http://www.blesi-evans.com/102%20percent=
%20efficiency.pdf
> > How do running costs compare for electric, gas, oil in the USA? We have=
a
> > comparison site here...http://www.nottenergy.com/energy-costs-compariso=
n3
> > For what it's worth it assumes 90% efficiency for a gas boiler.
> England an energy Exporter has had the foresight to mandate condensing
> heat units, here in the dumb ol USA 83% efficent is still pushed
> because installers like the "easy" instal and idiot homeowners are to
> dumb to do the math, its a joke, we import oil and we allow 83%
> efficent heat. Water heater tanks are just one reason we as a nation
> use a majority of the world energy by % of population. Its a fact, in
> new construction a hot tub is more common than a high efficency heat
> plant.- Hide quoted text -
> - Show quoted text -
That's pretty easy when your entire country is the size of some of our
states. Besides we have a reputation as consumers of 25% of the
worlds energy to hold up over here on our side of the pond.
My hot tub is electric so that 100% efficiency but the insulation is
probably only r6 or so I'd guess.
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