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Update - Wayne's Solar Air Collector

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Posted by schooner on September 29, 2006, 2:27 pm
 
We have updated some of the pricing and info on Wayne's solar air collector
listed on the website, and have tried to list the cost of each component:
http://www.atlanticenergy.ca/projects/WayneLangilleSolarAirCollectors/tabid/72/Default.aspx

We reviewed the prices for the materials currently being used to give an
approx price on each.  The original prices listed were a ballpark guess
based on various materials that had been used with different prototypes,
options, etc.  The prices listed now are more closely indicate the current
model with aluminum frame.  We were able to reduce the cost with a cheaper
fan, spraying the paint and using thinner coats, and just better planning
and less wastage over the experimental models.  Experimentation can be
costly :-) The current cost is around $25-$25 before taxes, again these
are approx costs based on current pricing from suppliers, which can change
from week to week especially on items like aluminum and glazing.

Be aware that the first couple you build of any design are certainly going
to always cost more due to the learning curve involved and trial and error
trying to make things work.  A few incorrect measurements and cuts can add
to extra cost.  It also easy to not account for materials you might not
already have that are laying around the shop, which are free to use but
originally had a cost.  For Wayne's panel we tried to price everything as
new and also sourced materials that could be easily repurchased to make
future panels.  For a one off panel it is much easier to use what you can
find and used parts and such but that doesn't make for easy duplication if
you want to build more identical units.  As noted before you could certainly
cut the costs further on our design with going with a plywood frame, snap
disc controller, normal paint, etc.

Anyway I hope the new info helps.  If you have any questions feel free to
ask and we will try and help where we can.  Good to see the newsgroup a bit
more lively now that the cold season is coming.



Posted by Darrylv on September 29, 2006, 2:35 pm
 

schooner wrote:

http://www.atlanticenergy.ca/projects/WayneLangilleSolarAirCollectors/tabid/72/Default.aspx

Where do you buy the foil backed insulation?

-darryl


Posted by schooner on September 29, 2006, 2:44 pm
 We get it from a supplier in Halifax, NS that sells various insulation
materials, but it is used in home construction so check with building supply
places, they may be able to get in - Polyisocyanurate Foam Sheathing is the
name of the material.

You may want to check the website of the manufacture for resellers:
http://www.jm.com/

Atlas Roofing Corp - Energy Shield is another manufacture of the same
material.


http://www.atlanticenergy.ca/projects/WayneLangilleSolarAirCollectors/tabid/72/Default.aspx


Posted by Solar Flare on October 3, 2006, 12:39 am
 Home Hardware Building Centres have it. Home Depot has a crap version
of it with lower R factor and fake silver plastic on one side.


http://www.atlanticenergy.ca/projects/WayneLangilleSolarAirCollectors/tabid/72/Default.aspx


Posted by darrylvan on October 3, 2006, 1:33 am
 I tracked down a supplier that will provide it for $.83 sq/ft for 1".
Windsor plywood (they have to bring it in).

Solar Flare wrote:

http://www.atlanticenergy.ca/projects/WayneLangilleSolarAirCollectors/tabid/72/Default.aspx


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