Forum: Geothermal & Heat Pumps
11-14-15, 02:17 PM
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Replies: 1,943
Views: 4,643,392
Superlen
I have first hand experience with...
Superlen
I have first hand experience with staple up. I had a oil fired boiler that supplied 160-180 Deg. F water to the zone. IT PROVIDED NO HEAT!! As we had latter changed to Geo-thermal heat...
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Forum: Geothermal & Heat Pumps
10-17-15, 09:44 AM
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Replies: 1,943
Views: 4,643,392
$2000.00 gshp
Johnnypeste
Unless the current radiators are fan-forced there is not enough heat available to make your living space comfortable. The heat pump produces a water temp. around 40 Deg. C. And this...
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Forum: Geothermal & Heat Pumps
06-09-15, 12:16 PM
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Replies: 1,943
Views: 4,643,392
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Forum: Geothermal & Heat Pumps
06-02-15, 06:42 AM
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Replies: 1,943
Views: 4,643,392
Passive house with GSHP
Marc_NL
I like where your going with this. A clean slate, building a passive house and utilizing GSHP for your heating. Contemplating off grid capabilities. I'm almost certain at this point with...
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Forum: Geothermal & Heat Pumps
07-02-14, 09:25 AM
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Replies: 1,943
Views: 4,643,392
Installing ground Loops
phreich
I would humbly suggest, if you have the land avalible and soil type for a horizontal ground loop this is the way to go. Drilling bore holes is for smaller land parcels and special...
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Forum: Geothermal & Heat Pumps
04-18-14, 04:50 AM
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Replies: 1,943
Views: 4,643,392
Just a little side excursion. Have a look at...
Just a little side excursion. Have a look at Drakes Landing here in Canada. (www.dlsc.ca) See what they have done with their bore holes. Over 90 % of the heating load comes from the bore holes.
...
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Forum: Geothermal & Heat Pumps
09-05-13, 06:23 PM
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Replies: 1,943
Views: 4,643,392
mejunkhound
I disagree I think that most...
mejunkhound
I disagree I think that most handy ambitious people could build a system for less than 6K if they are careful. I do have most of the tools you had mention but it was mostly hand tools...
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Forum: Geothermal & Heat Pumps
09-02-13, 01:10 PM
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Replies: 1,943
Views: 4,643,392
Come on Guys
Install a little more tube in...
Come on Guys
Install a little more tube in the ground than your local contractor would and size your pump as the status quo. I don't believe trying to induce turbulence will get you anymore heat...
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Forum: Geothermal & Heat Pumps
07-29-13, 09:17 PM
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Replies: 1,943
Views: 4,643,392
I checked in with some local installers. The...
I checked in with some local installers. The common response was 600 ft of 3/4 HDPE per ton. The suggestion of slinky was frowned upon as a lot of the tube passes closer than 16" from tube to tube as...
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Forum: Geothermal & Heat Pumps
04-12-13, 10:46 AM
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Replies: 1,943
Views: 4,643,392
5 Ton GSHP With Verible Frequency Drive
AC_Hacker Wrote:
And, randen, "(unless we have a variable frequency compressor)" this is why I am so interested in your VFD controlled three-phase compressor... because I'm sure that some kind of...
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Forum: Geothermal & Heat Pumps
04-12-13, 09:04 AM
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Replies: 1,943
Views: 4,643,392
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Forum: Geothermal & Heat Pumps
04-12-13, 05:43 AM
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Replies: 1,943
Views: 4,643,392
From my experience a buffer tank is not an...
From my experience a buffer tank is not an absolute. With my installation we have a buffer tank 60 gal but it is not nessisary for the purpose of preventing short cycling of the heat pump. In fact to...
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Forum: Geothermal & Heat Pumps
03-25-13, 03:55 PM
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Replies: 1,943
Views: 4,643,392
Heating second floor with Hydronic first floor
CBearden
Your going in the right direction. I know from experience that it can be difficult to get good information. Alot have read about it. "It should work"
Yes indeed the heat will radiate...
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Forum: Geothermal & Heat Pumps
03-25-13, 03:22 PM
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Replies: 1,943
Views: 4,643,392
Heating second floor with Hydronic first floor
CBearden
Your going in the right direction. I know from experience that it can be difficult to get good information. Alot have read about it. "It should work"
Yes indeed the heat will radiate...
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Forum: Geothermal & Heat Pumps
01-07-13, 09:55 PM
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Replies: 1,943
Views: 4,643,392
jlaw
I would think a little research is...
jlaw
I would think a little research is needed here. Here in Canada streams can freeze up and at the same time the ground water 6' below is still 50 Deg F. You maybe subjected to large temperature...
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Forum: Geothermal & Heat Pumps
12-18-12, 08:02 AM
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Replies: 1,943
Views: 4,643,392
mikesolar
The trigger was 28vdc full bridge...
mikesolar
The trigger was 28vdc full bridge rectified but un-filtered. I had bought three one let the smoke out and I had tried the other with a filtered 14 vdc and no joy. I'll have to leave it...
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Forum: Geothermal & Heat Pumps
12-17-12, 05:32 PM
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Replies: 1,943
Views: 4,643,392
DIY GSHP Control
The homemade GSHP for the shop needed some control. The two thermostats would call for heat for the shop area and/or the office in floor heat. The ground loop circulation pump and the infloor/air...
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Forum: Geothermal & Heat Pumps
12-17-12, 08:38 AM
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Replies: 1,943
Views: 4,643,392
Mikesolar
I had a thought concerning the...
Mikesolar
I had a thought concerning the indoor R290 leakage fear. What about a very small bilge air pump (fan) to remove air from the HP housing much like that used in the boating industry that...
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Forum: Geothermal & Heat Pumps
11-27-12, 09:13 PM
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Replies: 1,943
Views: 4,643,392
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Forum: Geothermal & Heat Pumps
11-27-12, 04:03 PM
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Replies: 1,943
Views: 4,643,392
Brad C & AC_hacker
Today spent a lot of time...
Brad C & AC_hacker
Today spent a lot of time lowering the charge and adjusting the pressures. Slowly increasing the charge during the day. As it happens suction of 75 psi and head 300 psi are the...
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Forum: Geothermal & Heat Pumps
11-27-12, 03:20 AM
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Replies: 1,943
Views: 4,643,392
Brad C,AC_Hacker & Jeff5may
Thanks for the...
Brad C,AC_Hacker & Jeff5may
Thanks for the complements on the TXV hack. I will admit the compressors pressures are alot more consistant as the head side temps change thru the day. What should I try...
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Forum: Geothermal & Heat Pumps
11-26-12, 09:31 PM
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Replies: 1,943
Views: 4,643,392
jeff5may
Thanks the mod did work sweet. No...
jeff5may
Thanks the mod did work sweet. No leaks. The gate valve was an antique almost threw it out a couple times. I had bought a new gate valve to use and it was constructed so shotty I couldn't...
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Forum: Geothermal & Heat Pumps
11-26-12, 06:15 PM
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Replies: 1,943
Views: 4,643,392
Update for homemade GSHP for the shop
The 3.5 Ton homemade GSHP ran last heating season and provided enough heat to remain comfortable in the shop. A shop temp average of 17-19 Deg C was maintained The beautiful part about it was the...
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Forum: Geothermal & Heat Pumps
10-28-12, 08:35 AM
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Replies: 1,943
Views: 4,643,392
I really like were this topic is going. Solar...
I really like were this topic is going. Solar powered geo thermal heated/cooled home!! I had seen in a Home Power mag. a few years back a husband wife team had done just that. Built a new home in the...
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Forum: Geothermal & Heat Pumps
09-10-12, 03:30 PM
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Replies: 1,943
Views: 4,643,392
Pachai
Yes you can convert a air-conditioner...
Pachai
Yes you can convert a air-conditioner to a ground source heat pump and be very happy with the results. This thread covers all you need to know. However there is no free lunch.
The...
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