alt.energy.renewable

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.