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news
Eco Cute Update: hybrid systems, add-on features and mark...

Eco Cute Update: hybrid systems, add-on features and mark...

5 August 2011
Hybrid systems combining Eco Cute and boilers become more and more popular in Japan. Chubu Electric Power Corporation has developed one such system and will start sales this year. Another utility, Chukoku Electric Pow...
news
Exclusive interview with Professor J. Chen about CO<sub>2</sub> heat...

Exclusive interview with Professor J. Chen about CO2 heat...

4 August 2011
Dr. Jiangping Chen, Professor of the Institute of Refrigeration and Cryogenics at Shanghai Jiao Tong University, talked to R744.com about the imminent launch of CO2 heat pump water heaters in China, the special condit...
news
Sanden launches CO<sub>2</sub> heat pump manufacturing facility in F...

Sanden launches CO2 heat pump manufacturing facility in F...

3 August 2011
The manufacturing of CO2 heat pump water heaters tailored to European conditions has been announced by Sanden Manufacturing Europe in France. Following extensive trials of the product in real use conditions since the ...
news
Around the world with CO<sub>2</sub> heat pumps

Around the world with CO2 heat pumps

2 August 2011
From Ireland to China, and Japan to Denmark, CO2 heat pump water heaters are making inroads into homes, commercial and industrial applications. 
news
Heat pumps: market push in the EU - market pull in the UK

Heat pumps: market push in the EU - market pull in the UK

2 August 2011
Under its principal instrument for funding research, the European Union is calling for research proposals on ‘Next generation heat pump technologies’ and on ‘Large scale systems for urban heating and...
news
CO<sub>2</sub> heat pump water heaters in Ireland

CO2 heat pump water heaters in Ireland

1 August 2011
Energy efficiency concerns and interest in 100% renewable energy options for water heating have led to the installation of transcritical heat pumps in an Irish hotel and nursing care facility. The CO2 heat pump water ...
news
Vibration Eliminator Series added by Henry Technologies

Vibration Eliminator Series added by Henry Technologies

29 July 2011
Henry Technologies, a specialist in manufacturing refrigeration components has developed a new high-pressure range of vibration eliminators.  The new range is called the VS Series and is suitable for many CO2 app...
news
R744 training courses in France

R744 training courses in France

28 July 2011
Climate change concerns and an increasing use of natural refrigerants with low global warming potential (GWP) has created the need for natural refrigerant training courses. GDF Suez, AFPI (Professional Industry Traini...
news
A brand new R744.com in October

A brand new R744.com in October

27 July 2011
After 3 years and more than 1.1 million page views over the last 24 months, a brand new version of R744.com will go online in October. The new R744.com will still put a strong emphasis on news and products, but will a...
event

3rd Refrigeration and Air Conditioning Technology Week

Workshop | 27 Jul. 2011 - 30 Jul. 2011 | S, Brazil
On 27 - 30 July 2011 the Senai-SP will organise the 3rd Refrigeration and Air Conditioning Technology Week. The programme includes courses, lectures, and workshops are planned to demonstrate equipment, ...
event

Renewable Energy 2011 Exhibition

Trade Fair | 27 Jul. 2011 - 29 Jul. 2011 | Makuhari Messe, Japan
paper

An experimental evaluation of the transcritical CO2 ...

26 July 2011 | Report / Study | Published: 2008
The classical substances as hydrochlorofluorocarbons (HCFCs) used as working fluids in the vapour compression plants have to be replaced by new substances because of their ozone depletion potential and their greenhous...
paper

Experiment and simulation on the performance of an a...

22 July 2011 | Report / Study | Published: 2002
The main purpose of this study is to investigate the performance of an autocascade refrigeration system using zeo- tropic refrigerant mixtures of R744/134a and R744/290. One of the advantages of this system is the...
news
Exclusive interview with K. Visser, speaker at forthcomin...

Exclusive interview with K. Visser, speaker at forthcomin...

20 July 2011
Ahead of a refrigeration engineering conference dedicated to “Preparing for a low carbon future” organised by the Australian Institute of Refrigeration, Air conditioning and Heating (AIRAH) on 27 July, R74...
paper

Performance prediction of a R744 Transcritical cycle...

20 July 2011 | Report / Study | Published: 2010
From the viewpoint of global environmental protection and energy-saving, the research and development on high-efficiency heat pump systems using environment-friendly refrigerants have become one of the most important ...
news
SUNSTORE 4 - Innovative Danish district heating project i...

SUNSTORE 4 - Innovative Danish district heating project i...

15 July 2011
A large scale 100% renewable energy project is to provide the Danish city of Marstal with a large-scale district heating system developed with a grant from the EU’s Seventh Framework Programme (FP7). The innovat...
news
New Chinese CO<sub>2</sub> heat pump standard

New Chinese CO2 heat pump standard

14 July 2011
On 1 June 2011 a new Chinese CO2 heat pump standard was formally implemented. Standard GB/T26181-2010 is for hermetic motor-compressors for household and similar use heat pump water heaters using CO2 refrigerant, and ...
paper

Transcritical CO2 (R744) Supermarket Refrigeration i...

14 July 2011 | Article / Press | Published: 2009
Conventional supermarket refrigeration systems commonly use HCFC 22, an ozone depleting and very high Global Warming Potential (GWP) refrigerant gas. Replacement of these systems with cascade or transcritical CO2 ...
news
23rd IIR International Congress of Refrigeration with R74...

23rd IIR International Congress of Refrigeration with R74...

13 July 2011
Bringing together expertise from nearly all refrigeration fields, the 23rd International Institute of Refrigeration (IIR) International Congress of Refrigeration (ICR) will take place in Prague, Czech Republic 21-26 A...