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Tori

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Posts: 64
Reply with quote  #11 
Quote:
Originally Posted by Rick H Parker
Why the roof?   Is there space and view to install at ground level ?

At ground level the pump and energy requirements would be much less.


Rick H Parker


Roof will get me the best view of the sun.  Landscaping/Trees are in the way for the afternoon sun, and a large RV blocking the morning sun.   Where it's currently located it only gets direct sun from about 10am - 4pm

Our temps are only typically about 70* so i need all the sunlight i can get to make this thing really work out.
It takes the first couple hours just to evaporate the morning dew.

Tori

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Posts: 64
Reply with quote  #12 
Quote:
Originally Posted by Rick H Parker

I was toying with the idea that maybe you should bury the pipe under the sand in your yard and collect the heat from the sand. Where it would be out of sight and out of her mind, then I realized you probably running that hot tub at about 100F. With no glazing I don't think you would get the temperatures you need.

Here is a modification of that idea that just might work. Set your collector in the sand where it won't get stepped on. You could fill it with sand to match the yard and provide support in case somebody does step on it, possibly black sand for better performance.



Neat idea, but doesn't get hot enough here for that.   Plus,  thats not sand,... decomposed granite. 
Tori

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Posts: 64
Reply with quote  #13 
Quote:
Originally Posted by stmbtwle
Do you need an awning over that patio?


There is an awning over the patio,  but by design, it wouldn't hold the weight of a collector.  I'd have to put supports under the middle of it, which wouldn't be very conducive to the flow of the patio.  Plus it'd block the light coming in from the patio.  ( plastic roofing )
Tori

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Posts: 64
Reply with quote  #14 
Quote:
Originally Posted by Rick H Parker

...... then I realized you probably running that hot tub at about 100F. With no glazing I don't think you would get the temperatures you need.



Rick,   you're spot on with my temp goal.   100* is perfect for us.   What is "glazing" ?
SolarInterested

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Reply with quote  #15 
Quote:
Originally Posted by Tori
What is "glazing" ?
The transparent light transmitting material covering your collector, typically glass or plastic.
http://www.builditsolar.com/Projects/SpaceHeating/Glazing.htm

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Tori

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Posts: 64
Reply with quote  #16 
Quote:
Originally Posted by SolarInterested
The transparent light transmitting material covering your collector, typically glass or plastic.
http://www.builditsolar.com/Projects/SpaceHeating/Glazing.htm

Ahhh,.... okay thats what i thought.   I have that which you can see, so that kinda threw me.   The glazing is a must for sure.   The wind cools it off way too much. 
stmbtwle

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Reply with quote  #17 
I think you'll find that 40db isn't all that loud.  Probably the biggest trick is mounting it so whatever it's mounted to doesn't act as a sounding board.  


http://www.noisehelp.com/noise-level-chart.html

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

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Reply with quote  #18 
Glazing derives from the same Middle English word glass came from.

Glazing is responsible for the greenhouse effect that raises the temperature of the collector.

One could say a solar thermal collector is a micro model of global warming.

Rick H Parker

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Rick H Parker
Kansas, USA
Electronics Engineering Technologist
stmbtwle

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Reply with quote  #19 
Never thought of it that way but you're right.  Maybe you should take it to Congress?


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

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Reply with quote  #20 
So...............,

I could take some clear greenhouse film, cover my entire house and yard, and enjoy summer year round? Sounds like a plan!!!!! Might need a fresh air exchanger or ten. But then again, won't my year round lawn and garden be converting my Co2?

Greg is looking for his flip-flops and beach balls in MN
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