[RE-wrenches] RE-wrenches Digest, Vol 2, Issue 364

[Antony Tersol]

Since the tiles are the roof, how does increased temperature affect
production?  What factor do you use to reflect the decrease in production as
compared to PV modules mounted on racks at 3+" above the roof?



> Message: 1
> Date: Tue, 31 Mar 2009 11:11:46 -0700
> From: "Brian White" <brianw at eagleroofing.com>
> Subject: Re: [RE-wrenches] PV shingles again
> To: "RE-wrenches" <re-wrenches at lists.re-wrenches.org>
> Message-ID:
>        <
> 7B501A61B33B934DAB214DB9FAF493B132A05C at BIExchange.BurlingameIndustries.com
> >
>
> Content-Type: text/plain; charset="iso-8859-1"
>
> We are using the Open Energy / Applied Solar Inc. roof tile, but I guess it
> is not a shingle technically speaking. The product is better suited to new
> construction (90% of our business) than retro-fits when it comes to cost.
> One thing that you have to remember when selling a tile product is that you
> are offsetting some of the cost associated with the roof, i.e. roofing
> material and installation. With the tile product from OE / ASI (which is
> actually manufactured and warranted by Suntech) it does not go on the roof,
> it is the roof, class A rating and everything.
>
> To all getting ready to send me an e-mail about marketing, I am not trying
> to sell the product, but did help design it when I worked for them, so I
> have first hand experience.
>
> Someone made a comment about running conduit from one tile to the next. We
> do not view this requirement the same, and do not install any type of
> conduit above the roof. The requirement for metal conduit states that metal
> conduit has to be used from the point of building "penetration" to the first
> disconnect.
>
> The one advantage that I really enjoy, is that with the tile, it makes
> system sizing much easier as far as string Voltage is concerned. Each tile
> is a 6.07 Voc, so you can just add or subtract as many tiles as needed to
> get to the sweet spot of the inverter.
>
> My 2 cents.
>
> (to all, my apologies if that funky attachment comes with my e-mail that I
> was informed of previously, it has something to do with my remote access,
> and is not harmful)
>
> Best Regards,
> Brian C. White
> Sr. Design Engineer - PV System
>
> Eagle Roofing Products
> 120 North Auburn Street - Suite 212
> Grass Valley, CA  95945
> Phone: 530-273-2948
> Cell: 530-575-5550
> e-mail: brianw at eagleroofing.com <mailto:brianw at eagleroofing.com>
>
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20090331/9b1be2e7/attachment-0002.html>