Forum: Geothermal & Heat Pumps
11-15-16, 03:41 PM
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Replies: 83
Views: 62,619
The easiest cheapest most reliable way to do a...
The easiest cheapest most reliable way to do a pump and dump system is drain to the surface. Any time you put water back into the ground, it could travel back to your source, robbing you of your heat...
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Forum: Geothermal & Heat Pumps
11-13-16, 12:00 PM
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Replies: 10
Views: 17,946
Building a 100 Year Refrigerator
Haven't been on the forum in some time; I have been busy. Began a project in June to construct a modular, long lasting refrigerator. It has gone through many iterations, and there are many more to...
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Forum: Geothermal & Heat Pumps
09-26-16, 01:06 PM
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Replies: 1,943
Views: 5,544,042
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Forum: Geothermal & Heat Pumps
11-23-15, 10:41 PM
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Replies: 21
Views: 27,274
15000 BTU Window A/C heat pump conversion
OK, so I was at my buddy's house figuring out how to insulate his garage, and his neighbor needed help patching his leaking porch roof. While surveying the job site, I happened upon this stray unit...
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Forum: Geothermal & Heat Pumps
07-27-15, 01:13 PM
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Replies: 148
Views: 234,236
5 Ton DIY GSHP Build
Summer has made it to Southwestern Ontario Canada. Outside temps reaching 34 Deg. C and humidity of 80%. Really nice for the beach or drinking beer under a tree.
Having some work in the shop not...
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Forum: Geothermal & Heat Pumps
06-04-15, 11:36 PM
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Replies: 220
Views: 178,986
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Forum: Geothermal & Heat Pumps
06-04-15, 09:03 AM
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Replies: 220
Views: 178,986
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Forum: Geothermal & Heat Pumps
06-04-15, 07:50 AM
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Replies: 220
Views: 178,986
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Forum: Geothermal & Heat Pumps
06-02-15, 10:56 PM
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Replies: 220
Views: 178,986
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Forum: Geothermal & Heat Pumps
06-02-15, 03:15 PM
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Replies: 220
Views: 178,986
With a cap tube metered system, you charge by...
With a cap tube metered system, you charge by superheat. At the muffler intake, you should always have 10 degF or more to ensure you are not flooding your evaporator. The other thing to watch is...
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Forum: Geothermal & Heat Pumps
07-02-14, 04:12 PM
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Replies: 331
Views: 208,239
Designing a General Purpose Heat Pump Controller
The Homemade Heat Pump concept has had some notable success.
However, one link in the chain that is missing is an open-source general-purpose heat pump controller.
If such a controller existed,...
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Forum: Geothermal & Heat Pumps
02-04-14, 01:57 PM
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Replies: 148
Views: 234,236
5 Ton GSHP Build
Picked up some free insulation board and had the table saw set-up. An item that will be nessisary for the 5 Ton rebuild an insulation box for the heat exchangers. I fab'ed up some boxes that will...
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Forum: Geothermal & Heat Pumps
02-15-13, 05:57 PM
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Replies: 148
Views: 234,236
5.0 Ton build
The new homemade GSHP is being tested for leaks both refrigerant and the water side for the heat exchangers. Everything looks good. The varible frequency drive is programmed for basic function. For...
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Forum: Geothermal & Heat Pumps
02-10-13, 02:46 PM
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Replies: 148
Views: 234,236
AC Hacker
You are correct That is the cheap...
AC Hacker
You are correct That is the cheap foam insulation. For the temps involved it should be just fine. But for exterior applications (solar) it would not do the suns exposure turns it to dust...
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Forum: Geothermal & Heat Pumps
02-09-13, 10:58 PM
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Replies: 148
Views: 234,236
5 Ton GSHP Build
Most of the components have arrived and are being assembled. A few alterations have been nessisary. The height of the new compressor is about an inch taller and its having a bit of a snowball effect...
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Forum: Energy Storage
05-21-12, 11:31 AM
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Replies: 31
Views: 97,027
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Forum: Geothermal & Heat Pumps
12-08-11, 06:01 PM
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Replies: 1,943
Views: 5,544,042
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Forum: Geothermal & Heat Pumps
12-08-11, 05:26 AM
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Replies: 1,943
Views: 5,544,042
The little homemade GSHP
I thought I would post the statis of the little 2Ton shop GSHP. Now that the night-time temps are dropping well below freezing -5 deg C(23F) the GSHP is running continually. The shop inside temps...
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Forum: Geothermal & Heat Pumps
04-20-09, 06:15 PM
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Replies: 1,943
Views: 5,544,042
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