Forum: Geothermal & Heat Pumps
08-30-13, 11:08 AM
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Replies: 1,943
Views: 4,651,825
Hi AC, time for an update on my progress;
I...
Hi AC, time for an update on my progress;
I did get the books, and they were terrific reading! Tons of valuable information in them with respect to sizing fields and many other considerations. I...
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Forum: Geothermal & Heat Pumps
07-31-13, 11:28 AM
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Replies: 1,943
Views: 4,651,825
The vacuum pump and the micron gauge are...
The vacuum pump and the micron gauge are definitely the two biggest $$ purchases, and I am holding out for a little overtime and good ebay timing. There is no trusting bourdon tubes at the extremes...
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Forum: Geothermal & Heat Pumps
07-30-13, 08:42 PM
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Replies: 1,943
Views: 4,651,825
Thanks randen, AC.
I am pretty solidly...
Thanks randen, AC.
I am pretty solidly cognizant of the design issues facing me; I spent a year maintaining the pumps of a paper mill in college, and so spent a lot of quality time doing head loss...
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Forum: Geothermal & Heat Pumps
07-28-13, 09:23 PM
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Replies: 1,943
Views: 4,651,825
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Forum: Geothermal & Heat Pumps
07-28-13, 03:41 PM
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Replies: 1,943
Views: 4,651,825
Thanks for the kind words and advice, AC.
I...
Thanks for the kind words and advice, AC.
I have not spoken to a local geologist in the recent past, but I have spoken to my neighbors on both sides, and our hyper-local geology is topsoil for...
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Forum: Geothermal & Heat Pumps
07-25-13, 09:33 AM
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Replies: 1,943
Views: 4,651,825
An interesting paper
Hi guys, AC,
I found this paper that, although lacking a few details, seems extremely relevant to our working toward homebuilt heat pumps. Summarized, it is the senoir design project of some...
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Forum: Geothermal & Heat Pumps
07-23-13, 05:58 PM
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Replies: 1,943
Views: 4,651,825
Hi AC,
I did a heat load analysis for my...
Hi AC,
I did a heat load analysis for my house in it's current state (pretty good for 1981, not so much for 2011) using HVAC-Calc (yup, I paid Don 50 bucks for it, and to be honest, it was worth...
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Forum: Geothermal & Heat Pumps
07-23-13, 01:55 PM
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Replies: 1,943
Views: 4,651,825
Bard is Bogus!
Well, I would like someone to vet my conclusions, but I think that the Bard formula for ground loop sizing might be a little padded...
See the formula on page 25 of the manual,
Lh =...
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Forum: Geothermal & Heat Pumps
07-23-13, 01:18 PM
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Replies: 1,943
Views: 4,651,825
Whoops.
Sorry, that is a screw-up on my end. Not sure how I did that.
The document to look for is Bard 2100-099(N)
http://www.bardhvac.com/digcat/volume_3_cd/install_pdf_file/2100-099(N).pdf
I have...
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Forum: Geothermal & Heat Pumps
07-23-13, 10:33 AM
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Replies: 1,943
Views: 4,651,825
A very detailed sizing manual
Hi AC, folks,
I am a new-ish lurker, and have devoured the entire thread, and a large chunk of the rest of ecorenovator over the last few weeks, in search of projects and priorities for upgrading...
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