eJARN News
Heat Pumps Do Better
A survey in 2010 of a number of domestic heat pump installations by the UK’s Energy Saving Trust was critical of design and performance, and recommended a series of improvements. Subsequent retesting which has just been completed shows that most of the 30 or so installations have benefited from the modifications which were made. The Trust concludes that close attention to installation design and c...
New Idea to Beat Illegal Refrigerants
The sharp rise in the cost of R134a has prompted an increase in the amount of counterfeit refrigerants entering the market. These are basically a mix of HCFCs but more importantly some have been augmented by methyl chloride (R40) which has been implicated in a number of explosions in compressor circuits. The Container Owners Association (COA) -an association whose members represent most of the wor...
Heat Refuges
The idea of providing cooled shelters for the public to be used when outside temperatures are too high for health was proposed following the disaster of the 2003 heat wave in Europe which caused an estimated 35,000 deaths. But little has been done in the meantime -according to Rolf Grupp writing in the German journal cci Zeitung. By contrast in New York-also subject to extremes of summer temperatu...
Eco Labeling
Definitive regulations on rating and labeling the energy efficiency of heat generators has finally been ratified by the European Commission following seven years of negotiations. Heat pumps, apart from having the highest ratings, are officially recognized as a ‘best in class’ form of technology since they use renewable energy sources as well as being able to deliver both cooling and heating. Becau...
Future for PAC in Europe
A report by Interconnection Consulting in Vienna (Austria) takes a pessimistic view of the immediate future for packaged air conditioners (PACs) in Europe’s commercial sector. There were 3.7% fewer units sold in 2013 than in the previous year. The period of 2012 -2016 will be one of less than 1% growth overall but with variations from country to country. Sales in Germany, France, Italy, Spai...
Heat Recovery Systems in Germany
An analysis of the role of heat recovery systems in energy conservation by the Environmental Campus Birkenfeld, a branch of Trier University of Applied Sciences (Germany), gives some idea of the magnitudes involved nation-wide. In 2011, the number of new mechanical ventilation systems installed equated to a fresh air supply rate of 582 million m3/h requiring a heat input of 4,890 GWh. Recycling ex...
Daikin in Spain
In an interview with the Spanish journal El Instalador, applied systems manager of Daikin AC Spain, Emilio Rodrigues said that with the acquisition of McQuay from OYL, the company now has one of the most comprehensive ranges of chillers in the industry. He sees the multi scroll compressor as a key innovation in the present-day Spanish air conditioner market making it possible to use scroll-based c...
Daikin Strengthening Customer-oriented Service ‘TCA’
At the recent FEBRAVA, Daikin stressed its world leadership in air conditioning, with a presence in 192 countries, a headcount of 51,398 people, 26 factories distributed around the world and six R&...
Midea-Carrier Developing Multi Brand Strategy
The joint venture between the two companies, Midea and Carrier, has resulted in a very potent competitor in the Brazilian market, having four different brands in the market in different channels and i...
Bitzer Leads Semi Hermetic Market in Brazil
Bitzer, a well-known compressor manufacturer for 80 years, started its production in Brazil in the 1980s. The company leads the Brazilian semi hermetic compressors market. In addition, it has s...
