Editorial
Technical Trends of Rotary Compressors
Contributed by Masataka Yamane, HVACR advisor Looking back at the transition of compressors for refrigeration and air conditioning use, it was often considered that newer compressors are generally bet...
Supermarket Solutions: Current Issues
The Rise of Online Shopping As the Internet has made inroads into almost every home, more and more people are using the Internet to shop online at e-commerce sites and the websites of brick-and...
Technical Progress at CRH 2017--AHU and Automatic Control Sy
Reported by Dr. Shao Xiaoliang from University of Science and Technology Beijing Various types of air handling devices, air supply terminals, and control devices were exhibited at China Refrigeration Expo (CRH) 2017. With respect to the product characteristics on show during previous editions, new technical features and new application trends were presented this time. For example, indoor...
China’s New Standard to Ease Use of Flammable Refrigerants
The ‘GB/T 9237-2017: Refrigerating systems and heat pumps -- Safety and environmental requirements’ standard was issued on December 29, 2017 by the Standardization Administration of China ...
JARN Serves as Communicator in the HVAC&R Industry
-- Celebrating the 50th Anniversary of JARN’s Founding Keisho Ka, president of JARN On JARN’s 50th anniversary, I would like to extend my warmest appreciation to all of our readers f...
Clean Indoor Air with Ventilation
When the indoor environmental quality of office buildings is good, the people who work in those buildings are more comfortable, enjoy better health, and are more satisfied and productive in their jobs...
Rapidly Expanding IoT Applications
The so-called fourth industrial revolution brought about by the Internet of Things (IoT) and artificial intelligence (AI) is a source of technology development, production activities, and new services...
Paris Agreement Offers Business Opportunities
Toward zero-emissions A notable number of Japanese companies have set the ambitious environmental management target of zero carbon dioxide (CO2) emissions. What they are pursuing is not a low-carbon ...
Thermal Storage Expected to Play a Major Role in Energy Savi
--Continued from August Issue Examples of Sensible Heat Storage Sensible heat storage is most widely utilized in the field of thermal storage with the most familiar example of water heat...
Alternative Refrigerant Issues Update
Kigali Amendment At the 28th Meeting of the Parties to the Montreal Protocol (MOP28) held in Kigali, Rwanda, in October last year, an amendment stipulating that hydrofluorocarbons (HFCs) be added to t...
Trends in Renewable Energy Utilization
Renewable energy includes solar photovoltaic (PV), solar heat, wind, hydropower, geothermal heat, airsource heat pumps, wave power, ocean thermal energy conversion and other naturally occurring therma...
Growing Food Refrigeration Market
Overview A large number of survey organizations have attempted to estimate the scale of the global frozen food market using various metrics and data. U.S.-based Grand View Research estimated th...
