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Search: Posts Made By: AC_Hacker
Forum: Geothermal & Heat Pumps 05-14-14, 01:34 AM
Replies: 35
Views: 15,355
Posted By AC_Hacker
I haven't actually talked this issue over with...

I haven't actually talked this issue over with Daox, but it seems pretty clear that he is working on the principle that a highly efficient house, coupled with a highly efficient floor, means that...
Forum: Geothermal & Heat Pumps 05-12-14, 07:03 PM
Replies: 35
Views: 15,355
Posted By AC_Hacker
Since you're building your house and building...

Since you're building your house and building your solar/heat pump/radiant system, you might want to check the HDDs and solar gain potentials of the places you're trying to compare.

It might be in...
Forum: Geothermal & Heat Pumps 05-12-14, 01:37 PM
Replies: 35
Views: 15,355
Posted By AC_Hacker
When you compare the HDD of your location at 4000...

When you compare the HDD of your location at 4000 ft elevation (or whatever) with the HDD of that location in UK, what do you see?

What do you see when you compare the available solar gain of the...
Forum: Geothermal & Heat Pumps 05-12-14, 10:12 AM
Replies: 35
Views: 15,355
Posted By AC_Hacker
Do you actually think that a traditional hydronic...

Do you actually think that a traditional hydronic heating setup (which is designed for 140F - 160F feed temps) will provide the required heat transfer?

This is exactly the place where traditional...
Forum: Geothermal & Heat Pumps 05-11-14, 03:50 PM
Replies: 35
Views: 15,355
Posted By AC_Hacker
I think it's one of those inconvenient Physics...

I think it's one of those inconvenient Physics limitations, concerning the characteristics of the refrigerant.

-AC
Forum: Geothermal & Heat Pumps 05-02-14, 02:08 PM
Replies: 35
Views: 15,355
Posted By AC_Hacker
So what will you do with this info? -AC

So what will you do with this info?

-AC
Forum: Geothermal & Heat Pumps 05-02-14, 12:33 AM
Replies: 35
Views: 15,355
Posted By AC_Hacker
IGSHPA at Oklahoma State University has a large...

IGSHPA at Oklahoma State University has a large stock of the most relevant books on the subject of GSHP that you could ever need.

They are for sale and they aren't cheap, but some of our...
Forum: Geothermal & Heat Pumps 05-01-14, 03:18 PM
Replies: 35
Views: 15,355
Posted By AC_Hacker
You might want to run the numbers on a 1000' loop...

You might want to run the numbers on a 1000' loop (in your soil) being the heat source for a 24,000 BTU/hr heat pump.

The ground may (or may not) be able to yield up heat at the rate of 24,000...
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