Forum: Geothermal & Heat Pumps
07-27-22, 03:38 PM
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Replies: 1,943
Views: 4,676,526
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Forum: Tools
02-04-22, 10:43 AM
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Replies: 4
Views: 13,278
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Forum: Geothermal & Heat Pumps
01-29-22, 03:38 PM
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Replies: 10
Views: 18,299
Hello everyone,
I think I fixed mistakes that...
Hello everyone,
I think I fixed mistakes that were made in my initial geothermal heat pump design. I was wrong, and now it's apparent that the evaporator should be bigger than the condenser.
I...
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Forum: Geothermal & Heat Pumps
01-27-22, 11:13 AM
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Replies: 10
Views: 18,299
Episode 1 - Introduction.
In this episode I...
Episode 1 - Introduction.
In this episode I do a quick introduction to the DIY Geothermal Heat Pump project.
https://www.youtube.com/watch?v=FR4eW30ZMKY
Episode 2 - Building geothermal loop....
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Forum: Appliances & Gadgets
01-20-22, 01:52 AM
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Replies: 2
Views: 15,447
Griddle - Redneck style
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It’s been awhile since posted anything so here we go...
Griddle - Redneck style...
So, I was looking at getting in on the gas griddle craze and cooking outside to keep the smell,...
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Forum: Solar Heating
01-02-22, 09:46 AM
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Replies: 2
Views: 7,122
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Forum: Geothermal & Heat Pumps
12-17-21, 12:50 AM
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Replies: 5
Views: 9,404
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Forum: Geothermal & Heat Pumps
07-20-21, 07:40 AM
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Replies: 16
Views: 23,628
DIY W2W heatpump
We now have a relatively well insulated house in the UK, needing a peak of 1.5kW over the last year to keep it warm in the coldest of weather. That would be 1.5kW of heat continuously on for 24hours...
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Forum: Geothermal & Heat Pumps
02-21-20, 08:33 AM
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Replies: 4
Views: 6,472
Interesting Heat exchanger
So in my quest for cheap geothemal i found this company.
https://www.awebgeo.com/
Ive been in contact with them and the sales guy i have been in contact with has been great. Answered lots of...
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Forum: Solar Heating
02-15-20, 03:08 PM
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Replies: 38
Views: 50,288
menaus2's 240sqft Hydronic Thermal collector
Hi All! It's been a while since I've documented a major project on the forum, so I'll be starting from the planning process going forward.
Last year I installed a 36sqft drainback collector with a...
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Forum: Geothermal & Heat Pumps
11-03-18, 12:52 PM
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Replies: 5
Views: 6,784
Home made air source heat pump
Hi for everyone!
I am from Europe. From Serbia.
I'm working on project to heat the house with two 18000btu split ac outdoor unit.
I don't use the indoors. I have a copper tube heat exchanger. The...
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Forum: Geothermal & Heat Pumps
12-03-17, 01:38 AM
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Replies: 91
Views: 72,027
Yes you are correct, everyone has their own...
Yes you are correct, everyone has their own goals. The problem with the inverter is that the control system is so complex that the effort/reward for the 'community' is too high and I don't think it...
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Forum: Energy Storage
03-03-16, 01:02 PM
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Replies: 14
Views: 24,418
BBP, thanks for linking to this thread. Nice...
BBP, thanks for linking to this thread. Nice tank!
First, PEX has low thermal conductivity, especially in 3/4" or larger because of the wall thickness. For not much more, you can get 1'...
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Forum: Solar Heating
02-19-16, 11:01 AM
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Replies: 25
Views: 73,878
I can't believe I missed this thread! Sorry to...
I can't believe I missed this thread! Sorry to revive something long dead, but I didn't do it first...
Ben, how did this experiment turn out? Did it work? If so, did it do well? Did you retire the...
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Forum: Energy Storage
03-22-14, 08:59 PM
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Replies: 14
Views: 24,418
From this study: ...
From this study:
http://www.worldenergy.org/documents/congresspapers/412.pdf
Paraffin:
coefficient of thermal conduction – solid = .2W/mK
coefficient of thermal conduction – liquid = .15W/mK
...
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Forum: Solar Heating
11-03-13, 12:16 PM
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Replies: 93
Views: 73,384
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Forum: Solar Heating
10-22-13, 06:27 PM
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Replies: 27
Views: 31,862
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Forum: Solar Heating
10-21-13, 07:52 PM
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Replies: 27
Views: 31,862
Tank
I really liked the simplicity of Gary’s drainback system and the large low cost storage tank. I went with a 6’ long x 3.5’ wide x 4’ tall tank as that was the biggest I could reasonably fit in my...
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Forum: Geothermal & Heat Pumps
05-15-12, 07:49 AM
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Replies: 91
Views: 72,027
Minisplit COmmunications
This is some fun stuff!! one of the members here found me on a Prius forum.. 3 years ago i did a lot of work on this with CHIGO branded minisplits to use in my Home automation system...
CHIGO...
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Forum: Geothermal & Heat Pumps
05-06-12, 02:24 PM
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Replies: 91
Views: 72,027
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Forum: Conservation
02-28-12, 09:37 PM
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Replies: 1
Views: 5,105
Sealing the basement (continued)
I picked up a 4" x 8" sheet of 2" rigid blue foam board and a can of Touch N' Foam minimal expanding spray foam from my local small-town lumber yard for about $42.
...
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Forum: Geothermal & Heat Pumps
11-11-11, 02:49 PM
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Replies: 92
Views: 77,647
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