Technical Note


Recent Technical Trends in the Air Conditioner Field

At present, the global air conditioner market is regaining an upward trend after a downturn, thanks to increasing demand in emerging countries and the creation of new types of added-value products. Al...


CAREL DC Inverter Technology

CAREL has been focusing for years on the benefits of direct current (DC) inverter technology. CAREL offers decades of experience with this type of technology in complete and integrated solutions, a fu...


ICARHMA Annual Meeting Held in Tokyo

International Council of Air Conditioning, Refrigeration, and Heating Manufacturers’ Associations (ICAR-HMA) Annual Meeting was held on October 26, 2018, at Hilton Tokyo Odaiba, in Japan. Establ...


Instrumentation and Components

Although instrumentation may be an unfamiliar term, it generally refers to the equipping of a large system at a plant or factory with sensors, measuring instruments, control units, etc. in order to op...


New Refrigerants with Low GWPs for Chillers – Low and Medium

 In October 2016, the 197 Parties to the Montreal Protocol finally agreed to an amendment governing the phase-down of the production and consumption of hydrofluorocarbons (HFCs) including R134a t...


New Annex: 53 - Advanced Cooling/Refrigeration Technologies

2 November, 2018 Growing populations and improving economies worldwide, especially in the developing world, are projected to lead to huge increases in global demand for space cooling, dehumidificatio...


Johnson Controls: 2018 Energy Efficiency Indicator

November 1, 2018 Johnson Controls conducts an annual Energy Efficiency Indicator survey tracking current and planned investments, key drivers, and organizational barriers to improving energy efficien...


Refrigeration Compressors and Refrigerants

Reported by Professor Ma Guoyuan and Doctor Xu Shuxue of Beijing University of Technology Mainstream refrigeration and heat pump compressors were exhibited at this year’s China Refrigeration ex...


Purdue Conferences Present Research Contributing to Sustaina

During the four-day period from July 9–12, 2018, the 24th International Compressor Engineering Conference, the 17th International Refrigeration and Air Conditioning Conference, and the fifth Int...

U.S. VRF Report