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Posted to uk.d-i-y,alt.energy.homepower,alt.solar.thermal
Doctor Drivel
 
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Default Solar water heating system value


wrote in message
oups.com...
Rob Dekker wrote:

Just out of curiousity, how do you get away paying only 20 UK pounds/year
?
Is this gas powered ? Or wood from the yard ?
Don't you shower or wash dishes/clothes ?
That's like 4 m^2/month. I use that in a day or two for DHW.

Rob


PS maybe 'mericans arent familiar with the fact that British washing
machines dont use a hot water feed.


Some do. Mine does and it is pretty new. Dishwashers now are cold fill only
as they now use more advanced detergents. In yea olden dayes the dishwasher
was a large tray of water with powder like sand. It sand blasted the dishes
clean, hence why you could not put patterned plates in the things. They use
a hell of a lot less water now, so heating up via electricity is viable.
Also, some dishwashers can be just a hot fill. This saves on electricity to
heat up (electricity is ~4 times more per kW than gas), but it uses hot
water for the rinse cycles. Even so it is still cheaper overall using the
hot only fill.