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Re: Info on Hydronic Heating / Cooling withOUT furnace or AC You 12-11-2007
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Posted by Cosmopolite on December 12, 2007, 6:55 pm
PeterD wrote:
> wrote:
>
>
>>PeterD wrote:
>>
>>>
>>>
>>>
>>>>
>>>>
>>>>>In article
>>>>>
>>>>>
>>>>>
>>>>>>By
>>>>>>circulating the water through the pipes, the building can be
>>>>>>conditioned without using external energy (besides for the heat
>>>>>>exchanger for the heating, because the basement isn't warm enough to
>>>>>>heat the upper floors).
>>>>>
>>>>>EXCEPT, for the energy for the Pumps, that move the fluid around the
>>>>>system, which in a building is going to be SIGNIFICANT.........
>>>>
>>>>
>>>> Good point; also, he'll probably want some sort of thermal storage tanks
>>>>(55gal. drums?)
>>>>
>>>
>>>
>>>Where is this heat (or cooling) coming from?
>>>
>>
>>Geothermal system, with tubes running through aluminum plates in the
>>ceiling.
>
>
> So you have drilled a geothermal well? Tell me more, this gets
> interesting now.
No, didn't say I did, but that is how you can use hydronics to
air-condition.

Posted by PeterD on December 12, 2007, 7:17 pm
wrote:

>PeterD wrote:
>>
>>
>> So you have drilled a geothermal well? Tell me more, this gets
>> interesting now.
>No, didn't say I did, but that is how you can use hydronics to
>air-condition.

Air-condition? As in cooling? You can't... At least not very easily,
mostly becuase as air is cooled, moisture in the air condenses out and
that water must be 'removed'. You can't just have it coating the
cement--you'll get mold and other nasty surprises. For cooling, you
need proper heat exchangers which can be drained to the building's
drainage system.

Posted by Solar Flare on December 12, 2007, 9:32 pm
This is done in many different climates by running cold well water
through the floor first to preheat it before the hot water heater and
usage as hot water. I intend to do it in my new home next year. If it
doesn;t work out I can swing a single water line on the other side of
the floor loops.

I would imagine you would need some dehumidification in many climates
though. Ever been to Mexican resorts where they cool the air without
removing the humidity? Mold and mustiness is definitely a problem in
those places. They tend to keep to mostly ceramic and masonary product
only. Wet mopping everyday doesn't help either.

> wrote:
>
>>PeterD wrote:
>>>
>>>
>>> So you have drilled a geothermal well? Tell me more, this gets
>>> interesting now.
>>No, didn't say I did, but that is how you can use hydronics to
>>air-condition.
>
> Air-condition? As in cooling? You can't... At least not very easily,
> mostly becuase as air is cooled, moisture in the air condenses out
> and
> that water must be 'removed'. You can't just have it coating the
> cement--you'll get mold and other nasty surprises. For cooling, you
> need proper heat exchangers which can be drained to the building's
> drainage system.



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