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IIR document

Intelligent capacity control potential for system efficiency improvements & energy savings.

• Author(s) : PFEIL H. V.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Refrigerating system, Generality, Energy consumption, Efficiency, Energy saving, Control (generic), Compressor
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Demand reduction and energy saving potential of thermal energy storage integrated heat pumps.

• Author(s) : HIRSCHEY J., LI Z., GLUESENKAMP K. R., LACLAIR T. J., GRAHAM S.
• Publication date: 2023/04
• Languages : English
• Keywords : Thermal energy storage, Modelling, Energy saving, Heat pump, PCM, COP, Thermodynamic cycle, Heating, Cooling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 148
• Formats : PDF

IIR document

Energy saving performance of the wet-air-conditioning system.

• Author(s) : TATEIWA K., MURASAWA I., WATANABE T.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Humid air, Comparison, Air, Energy saving, Air conditioning, Water
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Energy savings of “tailored-to-occupant” dynamic indoor temperature setpoints.

• Author(s) : KHOVALYG D., BARTHELMES V., CHATTERJEE A.
• Publication date: 2022/02
• Languages : English
• Keywords : Heating, Office, Thermal comfort, Temperature, Case study, Energy efficiency, Energy saving, Simulation, Modelling
• Source: REHVA Journal - vol. 59 - n. 1
• Formats : PDF

AI-driven innovations in building energy management systems: A review of potential applications and energy savings.

• Author(s) : ALI D. M. T. E., MOTUZIENĖ V., DŽIUGAITĖ-TUMĖNIENĖ R.
• Publication date: 2024/09
• Languages : English
• Keywords : Artificial intelligence, Review, Energy efficiency, Energy saving, Model, Optimization, Energy consumption, Thermal comfort, Office, Commercial building, Residential building
• Source: Energies - vol. 17 - n. 17
• Formats : PDF

Assessing the potential of air-source heat pumps in the Canadian residential sector.

• Author(s) : TAMASAUSKAS J., ROUSSEAU L., LACHANCE A., KEGEL M.
• Publication date: 2023/05
• Languages :
• Source: 14^th IEA Heat Pump Conference 2023, Chicago, Illinois.
• Formats : PDF

Recommended by the IIR / IIR document

Research on energy saving optimization method of electric refrigerated truck based on genetic algorithm.

• Author(s) : SONG H., CAI M., CEN J., XU C., ZENG Q.
• Publication date: 2022/05
• Languages : English
• Keywords : Refrigerated truck, Electric vehicle, Optimization, Energy saving, Energy consumption, Case study, Battery
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 137
• Formats : PDF

IIR document

Optimal solution flow rate of liquid desiccant air-conditioning system for energy saving.

• Author(s) : TOKANO A., NISHIGUCHI T., YAMAGUCHI S.
• Publication date: 2024/08
• Languages : English
• Keywords : Air conditioning, Dehumidification, Solar energy, Waste heat, Energy saving, Flow rate, COP, Simulation
• Source: 16^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2024). Proceedings. University of Maryland, College Park, Maryland, USA, August 11-14 2024
• Formats : PDF

Analiza mera za uštedu energije potrebne za zagrevanje postojece stambene zgrade.

Analysis of energy saving measures for an existing residential building.

• Author(s) : NIKOLIC N., LUKIC N., KONCALOVIC Z.
• Publication date: 2016/12
• Languages : English
• Keywords : Energy consumption, Measurement, Simulation, Residential building, Energy saving
• Source: 47^th International HVAC&R Congress and Exhibition.
• Formats : PDF

Optimized on-off controller for energy saving in a household refrigerator.

• Author(s) : SAFFAR U. C. E., MAIA A. A. T.
• Publication date: 2016/07/11
• Languages : English
• Keywords : On-off, Control (automatic), Household refrigerator, Optimization, Expérimentation, Energy saving
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Hybrid liquid desiccant air-conditioning systems: a conceptual study with respect to energy saving potentials.

• Author(s) : MUCKE L., FLEIG D., VAJEN K., et al.
• Publication date: 2016/09
• Languages : English
• Keywords : Dehumidification, Liquid, Energy saving, Desiccant, Air conditioning
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 69
• Formats : PDF

Energy Saving by Parametric Optimization and Advanced Lubri-Cooling Techniques in the Machining of Composites and Superalloys: A Systematic Review.

• Author(s) : BINALI R., PATANGE A. D., KUNTOĞLU M., MIKOLAJCZYK T., SALUR E.
• Publication date: 2022/11
• Languages : English
• Keywords : Energy saving, Optimization, Lubrication, Industrial application, Energy consumption, Composite, Alloy, Review
• Source: Energies - vol. 15 - n. 21
• Formats : PDF

A review on adaptive thermal comfort of office building for energy-saving building design.

• Author(s) : LAMSAL P., BAJRACHARYA S. B., RIJAL H. B.
• Publication date: 2023/02
• Languages : English
• Keywords : Energy saving, Office, Building, Review, Indoor environment, Natural ventilation, Thermal comfort
• Source: Energies - vol. 16 - n. 3
• Formats : PDF

Recommended by the IIR / IIR document

Saving energy using RQ-based dynamic controlled atmosphere storage of blueberry fruit.

• Author(s) : VERLINDEN B. E., BESSEMANS N., VERBOVEN P., NICOLAI B. M.
• Publication date: 2023/08/21
• Languages : English
• Keywords : Cold storage, Controlled atmosphere, Blueberry, Energy efficiency, Energy saving, Expérimentation, Oxygen, Respiration heat
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

A review of thermal comfort in residential buildings: comfort threads and energy saving potential.

• Author(s) : AQILAH N., RIJAL H. B., ZAKI S. A.
• Publication date: 2022/12
• Languages : English
• Keywords : Thermal comfort, Residential building, Review, Energy saving, Calculation, Indoor environment, Outdoor environment
• Source: Energies - vol. 15 - n. 23
• Formats : PDF

Energy savings: Japan: significant improvement of the energy efficiency of refrigerators

According to JARN, the energy efficiency of refrigerators in Japan has been continuously improved: their power consumption has been reduced to 1/5th of that 10 years ago. This is in part due to the development of vacuum heat insulators, which are...

• Publication date : 2005/07/19

Energy savings: Case study on a cool way to cut energy consumption in the UK food industry

A collaborative research and development project led by a mechanical engineering team from Brunel University, UK, found that supermarkets and food processing plants could cut their energy costs by over 30% and reduce greenhouse gas emissions by...

• Publication date : 2005/07/19

Energy savings in display cabinets

Several new developments make it possible to save energy in display cabinets. - Optimizing air curtain velocity A team at the Air Curtain Research Laboratory at Kettering University in Michigan, US, has modellized the air flow in air curtains and...

• Publication date : 2009/12/09

Briefs: Chameleon tiles for energy savings

It is a well-known fact that dark surfaces absorb the sun's heat, whereas white surfaces reflect it. US Secretary of Energy, Steven Chu, considers that turning all roofs white would eliminate as much greenhouse gas emissions in 20 years as the...

• Publication date : 2010/03/07

Huge energy savings thanks to Mexican standards for domestic fridges

A recent article by researchers from the Autonomous University of Mexico City presents an assessment of the savings achieved since the introduction of recent national official standards setting maximum energy use caps. This paper can be downloaded...

• Publication date : 2013/03/07
• Subjects: Regulation

Highly efficient fridges and freezers generate huge energy savings in New Zealand

In New Zealand, better performing, more efficient fridges and freezers allowed energy savings corresponding to NZD 59 million in 2011, according to the Energy Efficiency and Conservation Authority (EECA).

• Publication date : 2012/05/10
• Subjects: Regulation

Unassuming energy saving device

The eCube energy saving device is designed to reduce energy consumption by at least 25%. It takes into account product temperatures instead of fluctuating air temperatures in refrigerators, freezes, chillers, coolers, dispensers and cold rooms. It...

• Publication date : 2008/02/12

Briefs: double-effect trigeneration for energy savings in French space centre

The Centre Spatial de Toulouse, which is part of the French Centre National d'Etudes Spatiales is now equipped with a large-scale trigeneration plant. The Centre comprises 60 buildings and employs 2500 employees and until 2002 also had a huge...

• Publication date : 2009/12/09

Integration of CO2 refrigeration and trigeneration systems for energy savings in supermarkets

An article written by I. Suamir, S.A. Tassou and D. Marriott published in the International Journal of Refrigeration reports on experimental and theoretical investigations regarding the integration of CO2 refrigeration and trigeneration systems...

• Publication date : 2012/06/28

Cryogenics: Energy Saving for Cryogenic Systems

The Cryogenics Group in the Accelerator Engineering Department of the Accelerator Division of Thomas Jefferson's National Accelerator Facilities has discovered a way of cutting the energy consumption of the compressors involved in cryocooling. The...

• Publication date : 2007/05/04

Briefs: Energy-saving Maersk reefers

Thanks to QUEST (Quality and Energy efficiency in Storage and Transport) software providing a new temperature-control regime based on commodity instead of air temperature, Maersk estimates that the energy consumption used to cool its reefers will...

• Publication date : 2008/02/12

Energy saving initiatives for cooling in data centres

In January 2021, Europe’s leading cloud and data centre operators signed the Climate Neutral Data Centre Pact, a self-regulatory initiative to become climate neutral by 2030. According to recent studies, free...

• Publication date : 2021/02/25
• Subjects: Technology, Environment

New energy saving defrost technology

A new technology which is claimed to save 1.94 billion € on supermarket refrigeration energy costs has been presented.

• Publication date : 2014/04/29

Latest trends in global energy-saving regulations

A summary of the latest trends from the JARN.

• Publication date : 2017/08/14
• Subjects: Regulation

Novel energy-saving cryogenic equipment for walnut kernel peeling

In a recent study, a prototype cryogenic equipment was designed to peel walnut kernel more efficiently than by immersion in liquid nitrogen. 

• Publication date : 2021/04/28
• Subjects: Technology

New publications: Energy Savings

The IIR has published a new version of its guide Saving Energy in Refrigeration, Air-Conditioning and Heat-Pump Technology; the goal of this completely revised version prepared by Forbes Pearson and several IIR experts and launched during the Bali...

• Publication date : 2008/02/12

New IIR publications: Saving Energy in Refrigeration, Air-Conditioning and Heat-Pump Technology

The French version of the IIR guide Saving Energy in Refrigeration, Air-Conditioning and Heat-Pump Technology will be published in November 2009; the goal of this guide is to provide practical ways of minimizing the energy consumption of...

• Publication date : 2009/12/09

The CLIM’ECO programme kicks off

Supported by the French government and as part of the energy saving certificates scheme, the CLIM'ECO programme aims to reduce and optimise the energy consumption of air conditioning in the French Overseas Departments.

• Publication date : 2020/04/01
• Subjects: Technology, Developing country, Environment

OEWG-47 Side Event Highlights Urgent Need for Sustainable Cooling in Data Centres

The Climate and Clean Air Coalition (CCAC) and the International Institute of Refrigeration (IIR), with support from UNEP United for Efficiency (U4E), brought together experts, policymakers, and industry leaders...

• Publication date : 2025/07/08
• Subjects: General information

New IIR Informatory Note on passive cooling

The IIR’s latest Informatory Note demonstrates that passive cooling technologies can contribute significantly to reducing energy demand for air conditioning. 

• Publication date : 2022/04/29
• Subjects: Technology

IIR publishes a new Technical Brief: Cooling technologies for sustainable data centres

Authored by leading IIR experts in energy and power engineering, this publication offers a comprehensive exploration of innovative cooling solutions designed to meet the escalating...

• Publication date : 2025/01/28
• Subjects: Technology

New IIR Informatory Note on Renewable Energy

The latest IIR Informatory Note stresses that renewable energy sources can be considered practically inexhaustible and are currently the only solution for an ecological transition to clean...

• Publication date : 2023/04/26
• Subjects: Environment

News from IIR members: Danfoss

Danfoss won the 2009 AHR Exposition Refrigeration Innovation Award. The honoured product is a newly developed energy-saving variable frequency drive for compressors, pumps, and fans. In refrigeration applications, the AKD 102 constantly matches...

• Publication date : 2009/05/18

IIR member news: Angelantoni Group

“COLD ENERGY” is an innovative solution to improve energy efficiency both for old and new compression refrigeration systems by transferring a highly efficient automotive technology to enhance energy recovery of heat exchangers.

• Publication date : 2017/01/20

The IIR at COP13/CMP3 in Bali

During the United Nations Conference on Climate Change which was held in Bali, Indonesia on December 3-14, 2007, delegates have agreed on both the agenda for the negotiations and a 2009 deadline for completing them. However, the text does not...

• Publication date : 2007/12/27

The 2025 Conference on Low-Emission Refrigeration and Refrigerant Substitution Held Successfully in Foshan, Guangdong

From 26 to 28 October 2025, the Conference on Low-Emission Refrigeration and Refrigerant Substitution was successfully held in Foshan, Guangdong.

• Publication date : 2025/11/24

Conference update: Sydney

The 9th IIR Gustav Lorentzen Conference Natural Working Fluids will be held in Sydney, Australia, on April 12-14, 2010. The call for papers and first announcement are now available:

• Publication date : 2009/05/18

International activities: Conferences

- The 3rd International Conference on Energy Research and Development (ICERD-3) took place in Kuwait City on November 21-23, 2005. This IIR co-sponsored conference emphasized the necessity of energy saving, even in oil-producing countries, in...

• Publication date : 2006/01/28

1st IIR International Cold and Sustainability Conference

The 1st IIR Conference on Sustainability and the Cold Chain held in Cambridge, UK, on March 29-31, 2010 attracted over 150 participants from 22 countries. Academia, public and corporate research centres, public agencies and administrations, and...

• Publication date : 2010/05/27

IIR publications

The IIR is preparing 4 new publications that will be available by the end of 2007: - a booklet entitled Refrigeration Drives Sustainable Development which is an update of the 2002 report Refrigeration Sector Achievements and Challenges prepared...

• Publication date : 2007/08/05

Hydrocarbon refrigerants

Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

• Last update : 2022/06/22
• Langues : French, English
• Themes : Hydrocarbons, Containment, refrigerant charge reduction

Liquefied Natural Gas: production process and cold energy recovery

Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...

• Last update : 2023/06/23
• Langues : French, English
• Themes : LNG and LPG

Cryogenic nitrogen in the food and beverage industry

The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...

• Last update : 2023/11/07
• Langues : French, English
• Themes : Freezing of foodstuffs