alt.energy.renewable

"Bill Ward" ha scritto nel messaggio
news:pan.2008.02.10.19.06.20.538675@REMOVETHISix.netcom.com...
> On Sun, 10 Feb 2008 09:50:17 +0000, Alex Chiani wrote:
>
>>
>> "Bruce Richmond" ha scritto nel messaggio
>> news:88fbafb7-5ad6-4adc-90e8-22c3ba153933@p69g2000hsa.googlegroups.com...
>>> Just wondering if anyone has ever heard of one. Seems like a reasonable
>>> idea. Works just like an absorption fridge except put the cool outside
>>> and the hot inside. All the waste heat would go toward heating the
>>> house, as would the heat from the coil. The cooling circuit could cool
>>> the air outside in mild climates or the ground in cold climates, making
>>> it a geothermal heat pump.
>>>
>>> Bruce
>>
>> I'm a great fan of absorption heat pump systems, too. A Swedish company
>> is
>> developing a such machine :
>>
>> http://www.climatewell.com/index.php
>> http://www.climatewell.com/index.php?pageId=34
>>
>> " a solar powered climate system can fully meet the heating and cooling
>> requirements of a residential house...hot water is the energy source for
>> the air conditioners, which hence use only an absolute minimum of
>> electricity. It is thus also possible to use hot water from district
>> heating or co-generation to power the systems "
>>
>> Two main applications are envisaged: solar thermal plants and where
>> operated, district heating networks, both are able to produce hot water
>> at
>> the right temperatures (about 90 °C degrees) to power the machine
>>
>> Moreover, the machine achieves, based on a 25 m^2 of solar thermal plant
>> installed, an electrical COP of 77 (heat produced / electricity in) and a
>> thermal efficiency of 68% (% heat or cooling produced / heat in) in
>> cooling mode (10 to 20 kW of capacity) and, respectively, 96 and 85% (25
>> kW of thermal power) in the heating mode.
>> What do you think about? I'd like to see more data on how efficient and
>> costly this heat pump is when compared with traditional compression heat
>> pumps before coming up with any opinion or conclusion on it
>
> It looks like basically an energy storage system. Here's a link to a
> fairly detailed technical description of the operating principles:
>
>>http://www.climatewell.com/files/ClimateWell%2010%20Product%20Description%20English.pdf
>
> Looks interesting for SoCal homes with swimming pools. Air condition your
> home by heating your pool.
>
> I didn't see a price, though.


The price list is about 12'000 euros for the 10 kW cooling machine