Technical Note


Compressor World Market Situations – Continued from March Is

Reported by Professor Zhou Zicheng, HVAC&R advisor China Reciprocating Compressors According to China Household Electrical Appliances Association (CHEAA) and China Refrigeration and Air-con...



– Continued from March Special Issue Reported by Professor Zhou Zicheng, HVAC&R advisor Inverter & Non-inverter Rotary compressors are widely used in air conditioners and air- s...


Torad’s Spool Compressor for a Smarter Environmental Future

For the past 10 years, the team at Torad Engineering in Cumming, Georgia, the United States has been developing the next-generation refrigerant compressor. Its patented rotary spool machine technology...


Alternative Refrigerants for R410A

Honeywell’s Strategy Although for a long time it was said that there were no suitable alternative refrigerants, last year several refrigerant candidates to replace leading air conditioner ref...


EUREKA Roadshow 2018 Highlights the Importance of Dialogue b

After the success of the first EURE- KA Roadshow in Italy in 2017 and the flagship EUREKA 2016 conference in The Hague, and EUREKA 2017 in Berlin, the European Ventilation Industry Association (EVIA) ...


Arkema Satisfying Customers with Lower GWP Refrigerants

At the International Symposium on New Refrigerants and Environmental Technology (Kobe Symposium) held in December 2018 in Japan, Sarah Kim, Ph. D., Research Scientist, Fluorochemicals R&D, Arkema,...


New A2L Refrigerant Regulation in Spain

Reported by Asociacion de Fabricantes de Equipos de Climatizacion (AFEC) At the end of 2018, the Spanish government published a law establishing urgent measures to foster the economy in the Spanish...


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...

U.S. VRF Report