Forum: Solar Heating
01-09-20, 01:12 PM
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Replies: 12
Views: 32,785
Hi,
Here is an interesting solar air to...
Hi,
Here is an interesting solar air to water heater that goes a long ways back, but is very simple.
https://www.builditsolar.com/Projects/WaterHeating/SolarAirWaterHeater.pdf
The air to water...
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Forum: Solar Heating
03-11-15, 05:48 PM
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Replies: 5
Views: 8,220
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Forum: Solar Heating
03-11-15, 12:07 PM
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Replies: 13
Views: 25,853
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Forum: Solar Heating
03-11-15, 11:58 AM
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Replies: 13
Views: 25,853
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Forum: Solar Heating
03-10-15, 03:06 PM
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Replies: 13
Views: 25,853
Hi,
I asked one of the makers of rotomolded...
Hi,
I asked one of the makers of rotomolded polyethylene tanks what temperatures the tanks could withstand -- the answer was:
"Our tanks are rated to spike at 140 and run a constant temp of 120....
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Forum: Conservation
02-02-13, 09:42 PM
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Replies: 100
Views: 168,320
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Forum: Solar Power
01-29-13, 10:21 PM
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Replies: 35
Views: 33,041
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Forum: Conservation
12-17-12, 04:17 PM
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Replies: 100
Views: 168,320
Hi,
Here are the pictures of the "throwaway"...
Hi,
Here are the pictures of the "throwaway" prototype of the dryer heat exchanger
Untitled 1 (http://www.builditsolar.com/Experimental/DryerHX/DryerHXProto.htm)
Any suggestions would be...
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Forum: Conservation
12-10-12, 11:02 AM
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Replies: 100
Views: 168,320
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Forum: Solar Heating
09-28-12, 01:19 PM
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Replies: 43
Views: 31,740
Hi,
Just some thoughts on sizing the pump and...
Hi,
Just some thoughts on sizing the pump and supply and return line for this 200 sf collector.
Heliodyne recommends a flow rate between 0.025 gpm/sf of collector to 0.075 gpm/sf of collector. ...
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Forum: Renovations & New Construction
02-06-12, 08:34 PM
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Replies: 49
Views: 41,294
Hi,
The graph I saw showed a peak insulation...
Hi,
The graph I saw showed a peak insulation value at about 3/4 inch gap, but the drop off for narrower and larger gaps was quite gradual all the way out 3 inches. I'll see if I can find it again....
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Forum: Solar Heating
01-09-12, 08:51 PM
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Replies: 2
Views: 8,839
Hi,
My experience is with drain back systems,...
Hi,
My experience is with drain back systems, but this probably also applies to closed loops.
A lot of people seem to end up around 15F for the turn on differential because if they go below this,...
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Forum: Solar Heating
10-04-11, 12:58 PM
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Replies: 219
Views: 291,787
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Forum: Solar Heating
07-14-11, 05:27 PM
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Replies: 219
Views: 291,787
Hi,
Don't know if you caught this system by...
Hi,
Don't know if you caught this system by Randy:
An Invisible Solar Attic Space Heating Collector (http://www.builditsolar.com/Projects/SpaceHeating/AtticRafter/AtticRafter.htm)
He has...
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Forum: Solar Heating
11-03-10, 09:53 PM
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Replies: 219
Views: 291,787
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