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Commentator

Join Date: Jul 2009
Posts: 63

Ground Source Heat Pumps

07/29/2009 3:08 PM

Could we reach a stage where this industry expands so rapidly that there would be a danger of speeding up the natural cooling process of our little planet.If so,what would be the effects of this?

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Guru

Join Date: Jun 2009
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#1

Re: Ground Source Heat Pumps

07/29/2009 4:09 PM

Unlikely. Seasonaly e are just transferring energy from one point to another and back again but the net amount is basically the same.

Natural planetary losses are balanced by solar input. As far as I know most modern heat pumps are bidirectional. What you take out of the ground to heat you home in the winter goes back in during the summer to cool it.

And to be honest the human civilization energy usage number is below the mathematical thresh hold of the total planetary energy number as a whole. We don't even account for the condensation on the tap that fills the planetary swimming pool let alone garner ourselves as even a small drop in a big bucket!

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Commentator

Join Date: May 2009
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#2

Re: Ground Source Heat Pumps

07/30/2009 2:24 AM

No, not if GSHP's are properly employed for cooling and heating. We find that if you use GSHP's specifically for only cooling or heating, eventually you deplete the ground source. For example, it has been found that if you use the heat pumps for heating only, you can deplete the ground of the necessary heat after a couple of years to continue to operate these systems effectively. When you use the systems for both heating and cooling you are using the seasonal changes to continually charge up the ground with heat during the summer cooling season which is extracted during the winter when the heat is required.

In effect the ground becomes a storage system of heat.

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Guru

Join Date: Feb 2006
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#3

Re: Ground Source Heat Pumps

07/30/2009 4:13 AM

With all the lava lakes around the world releasing heat 24/7 it is not likely we could have an effect just reclaiming 55 degree heat.

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Power-User
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#4

Re: Ground Source Heat Pumps

07/30/2009 7:44 AM

Most of the earth's internal heat is from radioactive decay, if it were not so the earth would have cooled and solidified a long time ago. Therefore there is little to worry about extracting heat, it isn't going to run out any time soon.

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Guru
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#5

Re: Ground Source Heat Pumps

07/30/2009 10:00 AM

What about solar panels that block the sun from warming the earth? Will that cool down the earth?

I don't think so. I use a geothermal heat pump at home and the earth is basically a storage for the summer heat that I get back in the winter. It might not be energy neutral for my backyard but it is not far from it.

This is the best way to save on energy. I will do it again many times before getting a solar panel or a windmill.

I have chosen to reduce my energy consumption in half, instead of looking for other means of production.

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Guru

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#6

Re: Ground Source Heat Pumps

07/30/2009 1:25 PM

So global cooling is the new problem? What happened to global warming?

If half of the envro nuts and politicians work on global cooling and the other half work on global warming it should balance every thing out!

Or am I missing something?

Global neutrality perhaps? What can we do to make a big stink about that?

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Guru
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#7
In reply to #6

Re: Ground Source Heat Pumps

07/30/2009 1:35 PM

What happened to global warming

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Guru

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#8
In reply to #7

Re: Ground Source Heat Pumps

07/30/2009 1:50 PM

Darkest before the dawn.

Alaska is being flooded now from the seaward side. 600 year old villages are before forced to higher ground.

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Guru

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#11
In reply to #7

Re: Ground Source Heat Pumps

07/30/2009 7:27 PM

So does that mean the real scientists already fixed it or they finally woke up and saw it was just a load of political and environmentalist crap and the earth just sort of swings one way for a while and back again later?

I am not against environmental awareness. I have actually been practicing it for my whole life. I just don't like seeing mass hysteria develop over very questionable data and very few solid provable facts.

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Anonymous Poster
#9

Re: Ground Source Heat Pumps

07/30/2009 2:57 PM

I had one of these in Pompano Beach FL during the 70's. They later became illegal because most of them pumped water from the ground and put the remainer in the sewer system. You could be allowed another option of pumping it bach into the ground at a lower level ans in a place seoarated by at least 50 feet. I put it into a cistern (3000 gal) and watered my yard at night with it. The tank would commonnly overflow and run a little water toward the storm drain but no one seemed to care about that.

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Guru
Canada - Member - Specialized in power electronics

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#10
In reply to #9

Re: Ground Source Heat Pumps

07/30/2009 3:14 PM

Mine is a closed loop. I have 3000 feet of 3/4" tubing buried 6 feet under ground. No problems with mineralisation in the heat exchanger, no groundwater consumption. Just a big heatsink.

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