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Inverter technology in HVAC.

• Author(s) : MAZUMDAR A.
• Publication date: 2013/11
• Languages : English
• Keywords : Generality, Variable speed, Inverter, Energy saving, Air conditioning, Compressor
• Source: Air Conditioning and Refrigeration Journal - vol. 16 - n. 6
• Formats : PDF

Testing inverter type air conditioners for field performance.

• Author(s) : MAVURI S.
• Publication date: 2014/04
• Languages : English
• Keywords : Standardization, New Zealand, Calorimeter, Air conditioner, Variable speed, Inverter, Australia, Performance, Testing
• Source: EcoLibrium - vol. 13 - n. 3
• Formats : PDF

Análisis del comportamiento de una bomba de calor geotérmica con tecnología inverter en vivienda unifamiliar. Parte II: resultados.

Behaviour analysis of a geothermal heat pump with frequency inverter in dwelling house. Part II: results.

• Author(s) : VÁZQUEZ R. A., FERNÁNDEZ-SEARA J., FERNÁNDEZ CID D., et al.
• Publication date: 2016/05/03
• Languages : Spanish
• Keywords : Geothermy, Inverter, Ground, Heat pump, Expérimentation, Air conditioning
• Source: CYTEF 2016. VIII Congreso Ibérico y VI Congreso Iberoamericano de las Ciencias y Técnicas del Frío, Coimbra-Portugal, 3-6 mayo, 2016.
• Formats : PDF

Análisis del comportamiento de una bomba de calor geotérmica con tecnología inverter en vivienda unifamiliar. Parte I: Instalación.

Behaviour analysis of a geothermal heat pump with frequency inverter in dwelling house. Part I: installation.

• Author(s) : VÁZQUEZ R. A., FERNÁNDEZ-SEARA J., FERNÁNDEZ CID D., et al.
• Publication date: 2016/05/03
• Languages : Spanish
• Keywords : Spain, Geothermy, Inverter, Ground, Heat pump, Expérimentation, Case study, Air conditioning
• Source: CYTEF 2016. VIII Congreso Ibérico y VI Congreso Iberoamericano de las Ciencias y Técnicas del Frío, Coimbra-Portugal, 3-6 mayo, 2016.
• Formats : PDF

Energy analysis of an inverter air conditioner connected directly to photovoltaic solar panels.

• Author(s) : AGUILAR F. J., ALEDO S., QUILES P. V.
• Publication date: 2013/06/16
• Languages : English
• Source: Clima 2013. 11th REHVA World Congress and 8th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings.
• Formats : PDF

High efficiency inverter scroll compressors.

• Author(s) : MURAKAMI Y., KITAURA H., MATSUKAWA K., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Inverter, Efficiency, Valve (compressor), Injection, Scroll compressor
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Restart test design for inverter compressors.

• Author(s) : CETINTURK T., HACIOGLU B.
• Publication date: 2021/05
• Languages : English
• Keywords : Household refrigerator, Inverter, Testing, Failure, Compressor
• Source: 2021 Purdue Conferences. 25^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Inverter and electromechanical compressor capacity control methods.

[In Russian. / En russe.]

• Author(s) : MAURO B., KAMZOLOV S.
• Publication date: 2013/03
• Languages : Russian
• Keywords : Inverter, Control (automatic), Power, Compressor
• Source: Holodil'nyj Biznes - n. 3
• Formats : PDF

Study on vibrations of inverter refrigerator compressor.

• Author(s) : WU S., LUO J., LI Y.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Vibration, Inverter, Household refrigerator, Optimization, Testing, Compressor
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

The performance matching of inverter room air conditioner.

• Author(s) : HUANG B., ZHU X., TAO H., et al.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Air conditioner, Inverter, Performance, Optimization, Expansion valve, Flow rate, Frequency, Refrigerant charge
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Analysis of high frequency noise of inverter rotary compressor.

• Author(s) : SUN W., WANG Y., SHEN H., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Software, Noise, Vibration, Inverter, Rotor, Simulation, High frequency, Electromagnetism, Rotary compressor
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Research of variable volume and gas injection DC inverter air conditioner compressor.

• Author(s) : XIANG W., GAO B., WU H., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Variable volume, Gas, Inverter, Performance, Injection, Air conditioning, Compressor
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Development of the inverter air conditioner for Southeast Asia in FY2014.

• Author(s) : NAGATA T., YASIN J., KISHI Y., et al.
• Publication date: 2015
• Languages : English
• Keywords : Japan, Air conditioner, Inverter, Design, Asia, Energy saving, Thermal comfort
• Source: Hitachi Review - vol. 64 - n. 2

CFD analysis and experiment study of the rotary two-stage inverter compressor with vapor injection.

• Author(s) : DENG L., LIANG S., XU J., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : CFD, Inverter, Vapour, Modelling, Injection, Rotary compressor
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Dynamic performance analysis of inverter-driven split air conditioner.

• Author(s) : ELSAYED A. O., KAYED T. S.
• Publication date: 2020/10
• Languages : English
• Keywords : Air conditioner, Variable speed, Expérimentation, COP, Energy saving, Compressor, Performance, Inverter, R410A
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 118
• Formats : PDF

High-efficiency inverter scroll compressors

Summary of an interesting paper from the 2016 Purdue Conference on compressors.

• Publication date : 2017/03/08

World air-conditioning market: figures and technical trends

The global air conditioning market, which slowed down in 2018, was characterised by several trends: accelerated penetration of inverter technology, confirmation of R32 as alternative refrigerant, penetration of smart air conditioners.

• Publication date : 2019/02/28
• Subjects: Figures, economy

World air-conditioning market in 2019

Despite a decline of -0.8% in sales globally, many markets performed well in 2019. Inverter technology and smart air conditioners are steadily gaining ground globally while sales of R32 systems are increasing...

• Publication date : 2020/03/01
• Subjects: Figures, economy

Centrifugal chillers: new developments

New developments regarding centrifugal chillers include the world’s first production-scale chiller using water as a refrigerant and the world’s first photovoltaic direct driven inverter centrifugal chiller.

• Publication date : 2015/03/25

The global air-conditioning market in 2021: focus on Africa

126 million room air conditioners were sold in 2021 worldwide (+3% compared to 2020). The African market has seen a similar increase, but many of the units sold still have low energy efficiency and use obsolete...

• Publication date : 2022/02/28

China to enforce a more stringent energy efficiency standard for air conditioners

A new standard, which will come into effect on July 1, 2020, increases the minimum energy efficiency values of room air conditioners, resulting in the elimination of the least efficient air conditioners, i.e....

• Publication date : 2020/04/05
• Subjects: Regulation

The French air-conditioning market is growing significantly

According to Clim'info, in France, sales of individual air conditioners (with capacities below 17.5 kW) have undergone a very strong progression - about 40% - in 2003 compared with 2002. Sales of small mobile units, in particular, have benefited...

• Publication date : 2004/07/15

2004 Climate Protection Award

Since 1998, the Climate Protection Award is awarded by the US Environmental Protection Agency in recognition of achievements in protecting the Earth's climate. On April 13, 2004, this award was presented to 12 international individuals and...

• Publication date : 2004/05/25

Eco-friendly cooling for Tokyo’s Haneda Airport

The new international terminal of Haneda Airport opened in October 2010. It uses a combination of geothermal energy, solar power and cogeneration systems to reduce energy consumption and is also the first airport to use sodium sulphur (NaS)...

• Publication date : 2011/06/01

Development and evaluation of a reversible CO2 residential air conditioning system compared to a state-of-the art R410a unit

This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A reversible CO2 prototype RAC split unit system was designed, built and installed in two calorimetric test chambers. The unit is based on the Lorentzen Cycle...

• Publication date : 2004/11/24

The global refrigeration compressor market

Bien que pénalisé par la pandémie de Covid-19 qui a fortement impacté le secteur du conditionnement d’air, le marché des compresseurs a progressé dans certains domaines tels que la chaîne du froid, l’industrie...

• Publication date : 2021/04/29
• Subjects: Figures, economy

For IIR members only

Commercial refrigeration figures and trends

Growing steadily for several years, the global commercial refrigeration market is characterised by some key trends, including the  energy efficiency and smart stores 

• Publication date : 2023/11/28
• Subjects: Figures, economy

Compressors: Electric MAC compressor

BMW's recently launched ActiveHybrid7 will benefit from Visteon Corporation's new lightweight electric compressor that meets the demands of hybrid and electric vehicles. Unlike traditional compressors which are belt-driven by the engine and can...

• Publication date : 2011/02/11

Briefs: Olympic Games

Toshiba will be keeping 3000 journalists cool at the Athens Olympic Games: it will supply 200 compact, quiet multi-split inverter units running on R410-A. Toshiba will also be cooling the martial arts pavilions (81 000 m²) thanks to 7 multimodular...

• Publication date : 2004/04/28

Markets: Nordic heat-pump markets

In Sweden, heat pump sales reached a record 48 806 in 2003. Until now, single-family homes were the main niche, but growth is expected to shift to apartment buildings. Source: Swedish Heat Pump Association, Martin Forsén, Tel: +46 8 762 75 Norway...

• Publication date : 2004/07/27

News from IIR members: Star Refrigeration

Star Refrigeration has installed a highly efficient Azanechiller at a Scottish meat processing facility. The central pumped glycol system has a total cooling capacity of 365kW and includes pumps with variable speed drives, six ceiling...

• Publication date : 2011/08/04

New JSRAE book on refrigeration compressors

The IIR partner JSRAE just published a comprehensive book, “Compressors for Air Conditioning and Refrigeration”.

• Publication date : 2018/05/17

Member news: Mirai Intex releases new high capacity ultra-low temperature refrigeration system

Mirai Intex, corporate member of the IIR, has released a new ultra-low temperature (ULT) system based on air-cycle technology, offering high cooling capacity.

• Publication date : 2021/03/09
• Subjects: Technology, HFCs alternatives