Headline News Volume 671
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eJARN.com Headline News
Date: March 29, 2023, Volume 671
( http://www.ejarn.com )
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< March Regular edition>
1. A Revolution in the European Heating Industry
ISH 2023, the world’s leading trade fair for heating, ventilation, and air conditioning (HVAC) plus water, was held from March 13 to 17 at Frankfurt am Main in Germany. During the five-day fair, the passion for innovations was unleashed for the first time in four years due to the pandemic, and visitors enjoyed making up for lost time. According to the organizer, 2,025 exhibitors from 54 countries presented their market-ready solutions for a sustainable future in two main sections: ISH Energy and ISH Water. They showed the latest developments for the HVAC and intelligent home and building automation markets.
March Regular page 1
https://www.ejarn.com/detail.php?id=77511&l_id=
2. China Refrigeration Expo to Be Held in Shanghai on April 7 to 9
JARN will participate in CR 2023 with its booth at #W5B53 and is introducing show highlights covering global leading heating, ventilation, air conditioning, and refrigeration (HVAC&R) manufacturers as CR 2023 Preshow Special.
March Regular page 10
https://www.ejarn.com/detail.php?id=77520&l_id=
3. Panasonic Vitalizes the Future with Air
JARN interviewed Masaharu Michiura, executive vice president of Panasonic and president of Panasonic Heating & Ventilation A/C Company, which was established in October 2021, to hear about its future vision and its achievements such as European air-to-water (ATW) heat pump business and also to learn more about the acquisition of Systemair’s hydronic system business.
March Regular page 18
https://www.ejarn.com/detail.php?id=77526&l_id=
4. Gree Successfully Wins Bid for BAND Project in Brazil
Gree Electric Appliances successfully won the bid for three renovation projects with a total cooling capacity of approximately 1,700 tons for the headquarters building, TV tower, and shopping mall of Bandeirantes, the largest broadcasting operation group in Brazil. This achievement once again demonstrated Gree’s key model projects and leading position in Brazil.
March Regular page 36
https://www.ejarn.com/detail.php?id=77524&l_id=
5. Musings on HVAC&R - Heat Pumps and Heating Capacity
Many technological developments have been made in order to improve the heating capacity of heat pumps at low outside temperatures, which tended to be their main disadvantage. In 1982, an inverter-driven heat pump was developed. This heat pump used a compressor with increased operating frequency of 90 Hz or higher compared with the conventional 50/60 Hz, to increase the number of revolutions and greatly increase the heating capacity of heat pumps. Currently, compressors operate with a maximum frequency of 120 to 150 Hz. Inverter heat pumps greatly improved the annual performance factor (APF) by changing the heating capacity according to the heating load.
March Regular page 44
https://www.ejarn.com/detail.php?id=77525&l_id=
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