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New framework aims to standardise research on evaporative cooling technologies
Evaporative cooling is gaining increasing attention as an energy-efficient alternative to conventional air conditioning. A new scientific study by an international team of researchers, including Anna Pacak,...
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2 959 news
Refrigerant management in California
For HVACR distributors in California who distribute or receive commonly used CFCs, HCFCs and HFCs, life has gotten more complicated since the beginning of 2011. A new programme instituted by the California Air Resources Board (CARB) requires...
Ozone2Climate Technology Road Show
The Ozone2Climate Technology Road Show*, the first showcase of technological alternatives to ozone-depleting substance (ODS) in South East Asia, took place in the Maldives on May 8-12, 2011. Alongside, also took place an Industry Roundtable on...
Figures: output of refrigerators in China
The output of refrigerators in China reached a new record high of 70.2 million units from January to November 2010, 27% growth compared with the same period in 2009. It is estimated that the demand will continue to rise in 2011....
Out of the ordinary: tweeting fridge
WHO recommends drinking 2 litres of water per day, but Brazilians drink only 1.2 litres per day on the average. A bottled water manufacturer has worked out a way of reminding people to drink more water. Their campaign bridges the world of social...
National Geographic Society sets an example with green headquarters
The National Geographic Society is saving 8 to 11% on energy costs, amounting to USD 300 000 per year, following energy efficiency and water conservation upgrades to its headquarters in Washington DC. The Society’s 100-year-old building...
Liquid desiccant AC system cuts ice rink energy bill
Thanks to a liquid-desiccant air-conditioning system and the use of renewable energy sources, Pines Ice Arena in Pembroke, Florida, claims to have achieved 55% electricity savings, as well as a 35% reduction in natural gas consumption and a...
China overtook the US to become the world's biggest energy consumer in 2010
A report recently released by BP said China overtook the United States to become the world's biggest energy consumer in 2010. BP, in its 60th annual Statistical Review of World Energy, said China accounted for 20.3% of demand, compared with...
LNG ship shortage hurts new players
A lack of available liquefied natural gas (LNG) tankers helped push charter rates up this winter and continues to hamper trade for smaller players without access to tonnage, according to shipper Golar LNG (GLNG). Large increases in Asian demand...
US: top 10 foodborne bugs
Campylobacter, salmonella and Listeria are among a handful of foodborne bugs that cost the US billions of dollars a year and affect the quality of life for millions of victims according to new research. A study performed by the University of...
Environmental impact of room air conditioners in Europe
In a study* published in February 2011, L. Grigon-Massé et al. assess the environmental impacts of European room air conditioners (RACs) using a Life Cycle Analysis approach and analyse policy strategies to reduce these impacts. In 2010,...
100 years of superconductivity
April 8, 2011 marked the 100th anniversary of the discovery of superconductivity by Heike Kammerlingh Onnes. Working in his lab at Leiden University on April 8, 1911, he was experimenting with the electrical...
Radio frequency technology makes warehouses more efficient and safer
Industrial Conveying has developed new technology for high-rise warehouses. Each crane communicates with every stationary object on its racks. The High Bay Stacker is managed by Radio Frequency (RF) and makes it possible to use very high spaces....
Nano-cooling
A reversible air-cooling and dehumidification system operating without refrigerant gases developed by Dais Analytic and undergoing beta testing is projected to reduce energy use and CO2 emissions by over 50%, to have Seasonal Energy Efficiency...
US: DOE proposes higher efficiency standards for refrigerators
The US Department of Energy (DOE) has proposed a new energy efficiency standard for residential refrigerators, refrigerator-freezers and freezers which could save as much as USD 18.6 billion over 30 years. According to DOE, over the last 40...
France considers ban on pre-charged splits
The French Ministry of Environment is considering a ban on sales of pre-charged split air-conditioning systems to the public. This proposal aims at preventing private individuals from acquiring and putting these systems into service without a...
New antimicrobial edible coatings can extend the shelf-life of fresh meat by up to 50%
According to research from Spain, new antimicrobial edible coatings can extend the shelf-life of fresh meat by up to 50% . The films, made from essential oils including oregano, clove and rosemary, were applied to the surface of the meat “as a...
Manual fridge recycling is less environmentally friendly
Recent research, performed by Öko-Institut shows that manual stripping of fridges releases up to 100 times more emissions than when encapsulated shredders are used. The key element here is the treatment of the insulation foam containing residual...
Fridge recycling scheme in the favelas
In 2000, the Brazilian government passed a law requiring that electricity providers invest 0.5% of their turnover in projects promoting energy efficiency, especially among the disadvantaged. Among these, a refrigerator exchange project in the...
Cryotherapy benefits
- Insep, the French institute dealing with sport, expertise and performance (Institut national du sport, de l’expertise et de la performance) is using cryotherapy on a large scale. Athletes in bathing costumes don gloves, slippers and a...
District cooling expands in China
District cooling was only adopted recently in China, but is developing fast: many sites have been constructed in Beijing, Guangdong, Shanghai, Hangzhou, Changzhou and Changshan. - Guangzhou University hosts an example...
Smallest refrigerant recovery machine
Promax claims it has launched the world’s smallest refrigerant recovery machine, RG3000, said to be half the size of the company’s previous unit, with dimensions similar to those of a loaf of bread and weighing 8kg. It also features a new...
Minimizing emissions in 3 Australian supermarkets by using R-290
AIRAH (Australian Institute for Refrigeration Air-conditioning and Heating) has published a case study on 3 Aldi supermarkets in Australia that are minimizing greenhouse gas emissions by using R-290 (propane) chest freezers in their retail frozen...
Chinese R-290 retrofitting project
Propane is rapidly gaining ground in China, a Multilateral-Fund (MLF) project aims at converting a compressor production line to R-290 and has successfully passed a first technical evaluation: conversion of a production line with an annual...
Expanding market for hydrocarbon compressors
Several compressor makers are introducing new models operating with hydrocarbon refrigerants. For example ComStar International Inc., will offer compressors with the newly approved R-441A (HCR 188C), patented blend of ethane, propane, butane and...
Increasing demand for technicians in the refrigeration sector
According to Chicago Tribune Media Services, heating, air conditioning and refrigeration (HVACR) is one of the fastest growing fields on the job market: employment of HVACR technicians is expected to grow by 28% by 2018 in the US, due to the...
