Forum: Geothermal & Heat Pumps
Yesterday, 04:45 PM
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Replies: 10
Views: 3,700
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Forum: Geothermal & Heat Pumps
01-17-21, 09:07 PM
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Replies: 18
Views: 1,322
For domestic hot water heating, there are a few...
For domestic hot water heating, there are a few ways to go. You don't need a big heat pump. A few ecorenovators have made heat pump water heaters out of dehumidifiers. Randen made one out of a 5kbtu...
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Forum: Geothermal & Heat Pumps
01-16-21, 01:43 PM
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Replies: 4
Views: 1,565
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Forum: Geothermal & Heat Pumps
01-16-21, 12:05 PM
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Replies: 4
Views: 1,565
I've settled on the Trane American standard...
I've settled on the Trane American standard defrost model for control. Works like magic. The real one starts out with model number cnt5001 and has been revised over the years. Current model number is...
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Forum: Solar Heating
01-10-21, 08:26 PM
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Replies: 12
Views: 303
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Forum: Solar Heating
01-08-21, 08:38 PM
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Replies: 93
Views: 23,633
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Forum: Solar Heating
01-06-21, 03:05 PM
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Replies: 219
Views: 111,728
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Forum: Geothermal & Heat Pumps
01-02-21, 04:25 PM
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Replies: 3
Views: 212
So, ignoring the residential HVAC industry's...
So, ignoring the residential HVAC industry's reluctance towards anything with "freon" outside "the magic box", a DX ground loop is no more difficult to construct than a glycol or water based ground...
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Forum: Solar Heating
12-31-20, 11:47 PM
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Replies: 4
Views: 218
Just about all the systems that I've seen that...
Just about all the systems that I've seen that actually work well use the second method you describe. Small e-tube collector loop volume, exchanging heat into a larger tank, usually insulated well.
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Forum: Solar Heating
12-31-20, 11:22 PM
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Replies: 19
Views: 1,559
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Forum: Solar Heating
12-31-20, 12:44 AM
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Replies: 13
Views: 1,055
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Forum: Geothermal & Heat Pumps
12-30-20, 02:55 PM
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Replies: 3
Views: 212
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Forum: Geothermal & Heat Pumps
12-30-20, 12:24 PM
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Replies: 3
Views: 212
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Forum: Solar Heating
12-30-20, 11:49 AM
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Replies: 19
Views: 1,559
Reading back through the thread, I gained some...
Reading back through the thread, I gained some understanding of the system you are considering. This leads to more questions.
What space or spaces are you going to be heating with the rig?
Are...
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Forum: Solar Power
12-24-20, 02:36 AM
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Replies: 15
Views: 904
The power supply in series idea will eventually...
The power supply in series idea will eventually end up in smoke. As with the old series connected vacuum tube heaters, it will work for a little bit. Once your luck runs out, something hogs a little...
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Forum: Solar Power
12-23-20, 07:29 PM
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Replies: 15
Views: 904
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Forum: Geothermal & Heat Pumps
11-30-20, 04:00 AM
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Replies: 220
Views: 49,052
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Forum: Geothermal & Heat Pumps
11-09-20, 11:38 PM
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Replies: 18
Views: 1,322
If you are looking for a unit to do only slab...
If you are looking for a unit to do only slab heating, that makes the system less complicated than one that both heats and cools. If you go with a brazed heat exchanger and a floor slab, you should...
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Forum: Solar Heating
11-05-20, 07:43 PM
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Replies: 4
Views: 483
Since your hx and the flow through it is your...
Since your hx and the flow through it is your limiting factor, put the panels all in series and force the highest dT across the hx. Make sure it is running counter flow as well to get the highest...
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Forum: Lawn and Garden
11-02-20, 11:17 AM
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Replies: 10
Views: 810
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Forum: Geothermal & Heat Pumps
11-02-20, 09:46 AM
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Replies: 18
Views: 1,322
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Forum: Lawn and Garden
11-02-20, 08:22 AM
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Replies: 10
Views: 810
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Forum: Introductions
09-22-20, 04:19 AM
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Replies: 3
Views: 739
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Forum: Solar Heating
09-21-20, 01:33 PM
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Replies: 13
Views: 1,055
Drain back is not generally recommended with...
Drain back is not generally recommended with evacuated tube collectors. Mainly two reasons:
First, stagnation temperature can literally melt down gasket and sealing materials. When the sun shines...
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Forum: Renovations & New Construction
09-08-20, 04:48 PM
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Replies: 6
Views: 781
Ok so from your response, you are planning to...
Ok so from your response, you are planning to build bionic and above code requirements. Diy and separate (free/cheap) licensed inspector. Great. Now pick your price point and power sources.
Cheap...
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