Well, I don't know anything about the statistics, but we have solar hot
water in Sydney and it's been very reliable and I would guess cuts our power
bill roughly in half (compared to our old electric system). A hell of a lot
of sun hits our roof every year so I can't see any reason not to use it to
heat some water.
Alistair
On 13/02/2008, Evan Beaver <> wrote:
>
> 80% might be wrong, I was quoting numbers off the top of my head. It
> will definitely vary from house to house and depend very much what
> technology you have installed. I also would have checked the figure
> more thouroughly had I posted the original message on BA.
>
> EB
>
> On Feb 13, 2008 3:49 PM, Dave Torr <> wrote:
> > I would like some evidence that 80% of domestic use is for heating
> water. I
> > would suspect that heating the house in the southern states takes a lot
> more
> > energy and cooling the house in the northern states (and southern states
> > summer) would also take a fair chunk. I just evaluated solar hotwater
> for my
> > wife and myself in Melbourne and the %age of our gas bill (let alone our
> > total energy bill) that it would save was pretty small.
> >
> >
> > On 13/02/2008, <> wrote:
> > >
> > > I rember hearing on the radio that average temperatures in Austrlia
> > > already went up
> > > approximately 1 degree just this year?
> > >
> > > Regards, Simon Muirhead
> > >
> > > Quoting michael hunter <>:
> > >
> > > > Mulgoa Valley is sodden Alistair, most of the pre-drought suite
> > > > of
> > > > sightings are back, visible during sunny patches but not quite up to
> > > > the
> > > > routine fifty plus on any outing any day. GOLDEN-HEADED CISTICOLAS
> > > > back
> > > > after six years, now we have grass, two long-tailed dark-eyed
> > > > VARIEGATED
> > > > FAIRY-WREN females with their characteristic call popped up in
> > > > response to
> > > > "air-kissing", DUSKY WOOD-SWALLOWS on high dead branches, with
> > > > DOLLARBIRDS,
> > > > and RAINBOW BEE-EATERS also on the wires, OLIVE-BACKED ORIOLES,
> > > > WHITE-THROATED TREECREEPER, VARIED SITELLAS, notable this morning,
> > > > among
> > > > many others. A couple of TREE MARTINS but no Fairy Martins as yet,
> > > > they turn
> > > > up and nest under our verandah in wet years, but this has been too
> > > > wet, the
> > > > mud is all under water.
> > > > Also a high-pitched "see-see" from ground-level on the steep
> > > > slope
> > > > north of Mayfair Rd which has heavy regrowth , possibly SPOTTED
> > > > QUAIL-THRUSH.
> > > >
> > > > Cheers
> > > >
> > > > Michael
> > > >
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