TEPCO 2010: CO2 heat pumps for residential applications
R744.com - 2010-07-29
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The fist article reporting on this year’s Energy Solution & Thermal Storage Fair in Tokyo, Japan provides an overview as well as an image gallery of the residential CO2 heat pumps showcased at the event. + IMAGE GALLERY
Themed “A low carbon society driven by electricity”, the 2010 ‘Energy Solution & Thermal Storage Fair’ organised by TEPCO (Tokyo Electric Power Company) saw the number of visitors compared to last year’s event growing by 10% after the first day.

A maturing CO2 domestic heat pump water heater market

CO2 heat pump water heaters constitutes a well established and mature technology on the Japanese market, which now sees only a few new players.

For example, Toshiba - Carrier is a new market player offering a new residential CO2 heat pump product, encompassing a combination of two heat pump units with sufficient capacity to cover the needs of a large home or a small building with a flat and a small convenience store. The capacity ranges between 4.5 kW and 6 kW, with an annual performance factor (APF) of 3.0 to 3.3 depending on the exact model.

CO2 novelties

Besides the novelty of combining two CO2 heat pump units to cater for larger homes, other novelties and trends presented at TEPCO included:
  • Improved CO2 compressors: For example, Corona (DENSO) showcased their new CO2 compressor for domestic CO2 heat pumps with an improved APF of 5.1.
  • Focus on smaller tanks: With a view of reducing their carbon footprint, some companies are focusing on reducing the size of the tanks. As a result, the design of the units are better looking, while giving owners more space in their homes.
  • Combining CO2 heat pumps coupled with solar: Under the brand name 'Twin Solar', several companies including Corona showcased combinations of CO2 heat pumps with photovoltaics, while one company (YAZAKI) presented the combination of a heat pump with solar thermal technology as an additional heat source.


A second article will provide an overview of CO2 heat pumps for commercial and industrial applications presented at the event.  
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Related Keywords
   TEPCO    Eco Cute    Japan
 
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2010-08-05 16:37:07 - Chris Novosad
if the U.S. ever wants to become more energy indapendant they need to be aware of the techlogy that is already here such as heat recovery that is used in heat pump water heaters & ventless heat pump clothse dryers wich are the highest energy users in your home plus vented appliances also force H.V.A.C. units to work harder because they pull unconditioned air into the home if the airinfiltration is reduced you can reduce your H.V.A.C. size
2010-08-05 08:33:01 - Anonymous
What is the cost of the CO2 heat pump water heaters. Please give me a quotes/costs for a residential unit and for an industrial unit. My company is interested in buying these units to test for their energy efficiency.
2010-07-31 05:11:22 - Anise Shaker
Hi,
I\'m a teacher / coordinator Refrigeration and Air-Conditioning at Holmesglen Institute, Melbourne Australia.
Please send us technical, service, Maintenance,.......... manuales etc. in Domestic, Commercial and Industrial Co2 Equipment and development.
This is for the purpose of Training both existing technicians specialised training and students undertaking Cert. III, Diploma and Advanced Diploma Refrigeration and Air-conditioning courses.

Kind Regards

Anise Shaker
0405 494 182
2010-07-29 18:19:48 - Chris Novosad
coal power producing plants need to store the co2 in tanks instead of burying the gas they could sell it to appliance manufacturing companies this would allow the power co. to make money on this valuable gas that they would normaly pay to dispose of or bury
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