Forum: Geothermal & Heat Pumps
01-05-23, 01:31 PM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
06-16-17, 01:41 PM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
02-09-17, 01:42 PM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
07-08-15, 11:22 AM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
07-07-15, 09:22 PM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
07-07-15, 06:53 PM
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Replies: 148
Views: 180,363
DX = Direct Expansion
The refrigerant does...
DX = Direct Expansion
The refrigerant does it's phase change in the ground (evaporation), rather than using an intermediary HX.
I'm very interested to see how randen & mikesolar plan to do a...
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Forum: Geothermal & Heat Pumps
05-11-15, 06:50 PM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
04-05-15, 11:48 AM
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Replies: 148
Views: 180,363
...and I want to thank you for having the...
...and I want to thank you for having the presence of mind to photograph and report back, detailing your progress. It was very important that you shared your successes, but also, maybe even more...
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Forum: Geothermal & Heat Pumps
04-03-15, 07:23 PM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
03-06-15, 04:05 PM
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Replies: 148
Views: 180,363
"Seat of the pants" is great, especially if you...
"Seat of the pants" is great, especially if you have a very large backlog of experience.
And an intuitive, unplanned approach is also great, of you are dealing with low-expense parts or processes....
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Forum: Geothermal & Heat Pumps
11-22-14, 08:11 PM
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Replies: 148
Views: 180,363
When I built my first unit, I started by buying...
When I built my first unit, I started by buying the materials to make a coaxial HX. I didn't get very far along that path, when I started adding up the materials cost and realized that I was going to...
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Forum: Geothermal & Heat Pumps
11-21-14, 09:54 PM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
10-29-14, 10:37 AM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
07-06-14, 03:20 PM
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Replies: 148
Views: 180,363
Yes, I looked on THIS_PAGE...
Yes, I looked on THIS_PAGE (http://www.mayekawausa.com/products/heatpumps/wEcocute.html) where it says, "Eco Cute is a heat pump system that generates hot water by recovering heat energy from any...
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Forum: Geothermal & Heat Pumps
05-14-14, 07:48 PM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
05-04-14, 11:04 PM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
04-30-14, 10:48 PM
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Replies: 148
Views: 180,363
Randen,
That's a beautiful machine you have...
Randen,
That's a beautiful machine you have made.
I can't wait to find out about the performance data.
My only possible concern would be with the copper tubes that attach to the compressor,...
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Forum: Geothermal & Heat Pumps
04-14-14, 08:55 AM
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Replies: 148
Views: 180,363
Randen,
I have forgotten what your air...
Randen,
I have forgotten what your air conditioning output is like.
Last I remember, you were running chilled water through a converted gas-heater core.
If I recall correctly, you were...
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Forum: Geothermal & Heat Pumps
04-14-14, 12:25 AM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
04-09-14, 01:28 AM
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Replies: 148
Views: 180,363
Randen,
I think he might be right... gravity...
Randen,
I think he might be right... gravity is your friend.
Just to make sure, you might consult a couple of Brazed Plate HX manufacturer's manuals.
I believe that it is most important for...
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Forum: Geothermal & Heat Pumps
02-04-14, 06:12 PM
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Replies: 148
Views: 180,363
Great progress!
There's a buddy of mine...
Great progress!
There's a buddy of mine named Howard that has a CNC shop, just down the road from me.
His Architect-Wife insisted on a high-end custom refrigerator for $7000 (not a misprint) to...
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Forum: Geothermal & Heat Pumps
02-14-13, 08:49 AM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
02-12-13, 10:52 AM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
02-10-13, 06:08 PM
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Replies: 148
Views: 180,363
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Forum: Geothermal & Heat Pumps
02-10-13, 10:46 AM
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Replies: 148
Views: 180,363
randen,
Great pix on an awesome project. I...
randen,
Great pix on an awesome project. I attended a solar installer's training conference some years back, and they strongly recommended a different type of pipe insulation for solar...
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