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Question regarding solar roof "tiles"

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Posted by Rick F. on August 8, 2006, 6:44 am
 
We're planning on re-doing our roof from our current leaking concrete tiles
which are heavy
enough to make our roof sag to what I'm hoping will be some composite sort of
roof (asphalt)..
To that end, we're interested in installing some solar equipment and were
looking at solar
tiles, but they're for a tiled roofing system.  I've seen a reference to a
product that
Uni-solar makes that might work with asphalt/composite shingles, but I'm curios
what that sort
of setup would look like in practice and that sort of thing.  My wife is not
interested in
panels that mount on top of the roof so I think we're going for the shingles..
Anyway, any
comments on other vendors would be much appreciated!



Posted by =?iso-8859-1?Q?Roland_M=F6sl?= on August 8, 2006, 9:03 am
 

I have here some pictures from different UniSolar roof systems.

They work with industry partners, each has a different system.

http://live.pege.org/energy/photovoltaic-roof-integration.htm

2 industry partners of UniSolar have even a heat / electric power
combination.
So the same roof delivers electric power and heat

http://live.pege.org/2006-intersolar-roof/adequate-roof.htm


--
Roland Msl
http://car.pege.org  cars and traffic
http://live.pege.org  building and live
http://www.pege.org


Posted by Rick F. on August 8, 2006, 4:34 pm
 
Thanks Roland.. I've contacted a not-too-local Unisolar dealer and am
hoping to get some sort of quote on an appropriately sized system for
our home.  The only thing I don't really like with the Unisolar asphalt
shingles is that they seem to have a higher overhead for installation
since they require holes drilled in the deck (roof) for each tile to get
a wire through to the inside of the roof.  Most of the other roof tiles
get around that by doing some form of daisy chaining and each "row" having
a single set of wires that go into the attic for connection -- must easier
to install I believe. I guess I'll do some more homework on this and see what
pans out.. Thanks!



Posted by dold on August 8, 2006, 9:07 pm
 
My wife objected to PV panels when we looked last time, but when we got
around to the actual installation, she found the panels to be acceptable.

Maybe she needs to see a real installation to be sure.

--
---
Clarence A Dold - Hidden Valley Lake, CA, USA  GPS: 38.8,-122.5
http://cdold.home.mchsi.com/Solar-generation.htm

Posted by Rick F. on August 8, 2006, 10:04 pm
 
We received pricing already for both traditional panels and roof shingles and
for our installation (no higher than 6Kw), the price difference between the
two products is a bit over $k (with the tiles being on the higher side
obviously).  I think I can live with that difference -- if the difference
was over $0k, I'd think harder about convincing my wife of the merits of
traditional panels.

Unfortunately, in our area, not too many other homes have Solar installations
already on them except for one place near my kids soccer field.  It's installed
with traditional panels on the east/west roof surfaces and I'll have to admit
that they're not the greatest looking items from an astetics point of view --
mostly because their completely visible from the front yard (I think most of
the panels are mounted on the front of the house).  A friend of the family just
had the tiles installed and they look pretty sharp except that the coloring is
a bit off compared to the other parts of the roof and that the solar tiles have
more of a surface shine to them... However, I guess the nice thing about them
is that if you're casually walking down the street, you probably wouldn't even
notice that there were solar panels installed -- unlike the soccer house
mentioned earlier.

-- Rick

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