[RE-wrenches] Favorite Flat Plate Solar Hot Water collectors

[Karl Schwingel]

I've used a lot of SolarSkies panels. (they are essentially AET panels, 
made by a licensee in northern minnesota) 
the price point is good, quality and support is top notch. 

your location can change what makes sense unless you're buying in the 
kind of quantity that shipping isn't  a big deal. probably by the semi 
load.

heliodynes are nice, and the output is stellar, but the price can be a 
killer.  in nearly every case for me, the question is bang for the 
buck.  I think the SS panels do that very nicely.  their mounting systms 
are very nice too.  heliodyne was always kind of a PITA.  

does anyone here know if the veissman collectors are supposed to be 
plumbed direct return (inlet and outlet on the same end of the array) or 
reverse return?   the pressure drop across the 3/4 header probably isn't 
much, but it just seems wrong.  a local installer whose systems I've 
been servicing is installing up to 10 panels (270 ish SF) direct return, 
at about 4 gpm.

karl



David Palumbo wrote:
> Friends,
>
> We've been using Stiebel Eltron collectors with good success recently. We
> are now looking at other collectors because of availability and cost of
> shipping concerns. Presently we are considering Viessmann, Baxi (Marathon)
> as well as Heliodyne. I'm sure there are others to consider.
>
> What do people like to use and why?
>
> How much importance do you place on the differences in warranties that flat
> plate manufacturers offer?
>
> David Palumbo
> Independent Power LLC
>
>
>
>
>
>
> -----Original Message-----
> From: re-wrenches-bounces at lists.re-wrenches.org
> [mailto:re-wrenches-bounces at lists.re-wrenches.org]On Behalf Of marco
> Sent: Tuesday, September 30, 2008 1:02 AM
> To: 'RE-wrenches'
> Subject: [RE-wrenches] PV and home value
>
>
>
> Can anyone point me to any documentation out there as what installing a PV
> system on a home does for its resale value?  I mean, I would think that it
> would certainly add to it, but would like to see some research backing that
> up.
>
> Thanks,
> marco
>
> Marco Mangelsdorf, Ph.D., President
> Electrical Contractor License C-26351
> 69 Railroad Avenue, A-7
> Hilo, Hawai'i 96720
> (808) 969-3281, 934-7462 facsimile
>
>
>
>
>
>
>
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-- 
Karl Schwingel
NABCEP Certified Solar Thermal Installer
NorthWind Renewable Energy LLC

PO Box 723 Stevens Point, WI 54481
Karl at Northwindre.com
Cell: 715 209 0446
Fax : 715 952 4501


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