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Shaun

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Posts: 3
Reply with quote  #1 
Hi all,

First of all thanks for this great source of information .i'm new here and live in Belgium ( someone has to )a few years ago i was fed up with the way sociaty thinks you have to fit in .
So sold our house .bought a little piece of Woodland on the Belgian dutch border and build us a little cabin , just big enough for the twoo of us
Im having a few ideas for solar harvest so this looks like the place to be.
Ow yeah and factory solar stuff is stupidly expensive over here .
I'm thinking of making a complete wall of hot air collectors and connecting them to the pelet stove ductwork so when i'm not home there is some heat circulating . But that's just a brainfart at the moment .
Ok to the Point now .
I was having a cleanup of my shed and Found 2 Intex 47x47 inch solar mats ( Google wil find it no idea of you gotta clue what it is )
I have some spare materials here ( wood , glass, insulation)
So i was thinking . If i put them in a insulated box and cover them with glass ... Would there be increase in what warmt they collect ? Would they be a viable cheap( read free )core ?
Was thinking to hook them up to a container in the crauwl space , put a coil in the container and run the water to the propain water Heather trough .
To save some €€ ( yea it's that stupid monopoly monny over here )
Any thoughts or input in this idea ?
Let the solar adventure begin !

And excuse me for typo's and grammar . Trying my best here

stmbtwle

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Posts: 2,860
Reply with quote  #2 
Assuming these are plastic, if you cover them with glass they may get hot enough to melt. As long as you are pumping water through them you'll be OK, but if the pump stops for any reason...

I'd try it without the glass.

By the time you get done building "insulated containers", installing pumps, plumbing and controls, you may spend more than you'll ever save. Do the math before it's too late.

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Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
Shaun

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Posts: 3
Reply with quote  #3 
I have the 12 v pump from the set , an old ibc container and insulation... so it would not cost me anything really ...but it's not a viable idea then ?
stmbtwle

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Reply with quote  #4 
Nothing is more cost effective than free, so go for it. You can determine viability later.

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Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
SolarInterested

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Spam Stomper
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Posts: 1,054
Reply with quote  #5 
Shaun this may be of interest:

https://www.builditsolar.com/Experimental/OffShelfDHW/Glazing2/GlazingTest2.htm

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Both temperature rise and airflow are integral to comparing hot air collectors
Shaun

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Posts: 3
Reply with quote  #6 
Thanks , thats an interesting read .
Think i wil give it a shot . Can put them on ground level so easy tot make adjustments and experiment with them .
Wil make 2 stands for them this week .
All scrap wood so nothing lost
Rick H Parker

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Posts: 790
Reply with quote  #7 
Shaun what are you using to heat water? When it come to Solar thermal, Domestic Hot Water has the best return on investment and the capital requirements are small.
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Rick H Parker
Kansas, USA
Electronics Engineering Technologist
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