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Search: Posts Made By: michael
Forum: Geothermal & Heat Pumps 12-18-13, 12:27 AM
Replies: 1,943
Views: 4,678,838
Posted By michael
I thought this was an interesting site dealing...

I thought this was an interesting site dealing with heat pumps, alternative energy inputs and heat distribution. The site, which is pushing products, has some good design information, but the...
Forum: Geothermal & Heat Pumps 09-01-13, 04:25 PM
Replies: 1,943
Views: 4,678,838
Posted By michael
This is a case of cowboy engineering, but it...

This is a case of cowboy engineering, but it seems to me turbulence would be a natural outcome of the "slinky" arrangement of source tubing as opposed to straight tubes.
Forum: Geothermal & Heat Pumps 04-11-13, 09:37 PM
Replies: 1,943
Views: 4,678,838
Posted By michael
OK, I get it, but it just seems to me that if the...

OK, I get it, but it just seems to me that if the circulation rate of the heated loop matched the circulation rate of the radiant floor, and the heat pump could raise the 85 d return water from the...
Forum: Geothermal & Heat Pumps 04-11-13, 02:07 AM
Replies: 1,943
Views: 4,678,838
Posted By michael
On a related note, however, is my search for a...

On a related note, however, is my search for a 2-3 ton w2w heat pump. I just stumbled across the brand Roth which appears to be a German company. Their product stood out mainly because they offer...
Forum: Geothermal & Heat Pumps 04-11-13, 01:55 AM
Replies: 1,943
Views: 4,678,838
Posted By michael
Hmmm...Got three publications from IGSHPA: ...

Hmmm...Got three publications from IGSHPA: Spiral bound manual, soils pamphlet and slinky pamphlet. Everything is at a stand-still while I stare into those. Got the first trench location set. ...
Forum: Geothermal & Heat Pumps 03-31-13, 08:53 PM
Replies: 1,943
Views: 4,678,838
Posted By michael
Questions: How are you going to do this? ...

Questions:
How are you going to do this? Hmmm...ok, here goes: The first trench I will dig with a backhoe because it’s what I have available, and I can do it myself at my own speed using a Kubota...
Forum: Geothermal & Heat Pumps 03-31-13, 12:33 AM
Replies: 1,943
Views: 4,678,838
Posted By michael
Hello AC, You won't be getting into any fist...

Hello AC, You won't be getting into any fist fight with me! I couldn't agree more, if for no other reason than that the designers of the heat pump had the balance you speak of in mind when they...
Forum: Geothermal & Heat Pumps 03-30-13, 03:38 PM
Replies: 1,943
Views: 4,678,838
Posted By michael
Thank you all once again for this long, rich...

Thank you all once again for this long, rich thread; it has become my main inspiration for continuing to work on heat pump system design. I continue to struggle with knowing how to size the heat...
Forum: Geothermal & Heat Pumps 03-30-13, 01:44 AM
Replies: 1,943
Views: 4,678,838
Posted By michael
I've begun collecting data from my little E-Tech...

I've begun collecting data from my little E-Tech 1-ton water-to-water heat pump (originally mentioned in another thread; photo below as a reminder). The source water comes into the device at 57...
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