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Economie d'énergie et normes dans la réfrigération domestique.

Energy savings and standards in household refrigeration.

• Author(s) : MAHE C.
• Publication date: 2016/11
• Languages : French
• Source: Revue générale du Froid & du Conditionnement d'air - n.1160

Ahorro energético en sistemas de motores eléctricos y su aplicación al sector HVAC.

Energy savings in electric engine systems and their application to the HVAC sector.

• Author(s) : MORENA CANCELA J.
• Publication date: 2016/04
• Languages : Spanish
• Source: Frío Calor Aire acondicionado - vol. 44 - n. 490
• Formats : PDF

IIR document

CommONEnergy: re-conceptualizing shopping malls from consumerism to energy conservation.

• Author(s) : CORTELLA G., LOLLINI R., NORIS F., et al.
• Publication date: 2014/06/23
• Languages : English
• Source: 3^rd IIR International Conference on Sustainability and the Cold Chain. Proceedings: London, UK, June 23-25, 2014
• 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
• Source: Energies - 15 - 21
• Formats : PDF

IIR document

Eco-gestures for a reasonable use of air conditioning: an important lever for energy savings.

• Author(s) : DEVIN E., TREMEAC B.
• Publication date: 2023/08/21
• Languages : English
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• 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
• Source: REHVA Journal - vol. 59 - 1
• Formats : PDF

Energy saving discussion on ventilation and air conditioning systems of pumped-storage power stations.

[In Chinese. / En chinois.]

• Author(s) : YANG Y.
• Publication date: 2015/02
• Languages : Chinese
• Source: HV & AC - vol. 45 - n. 300
• Formats : PDF

IIR document

Energy-saving effect of grading treatment for fan coil unit and dedicated outdoor air system.

• Author(s) : WANG W., LIANG C., LI X.
• Publication date: 2023/08/21
• Languages : English
• Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
• Formats : PDF

Recommended by the IIR / IIR document

Demand coverage and energy savings by combined CO₂ refrigeration system and HVAC in supermarkets.

• Author(s) : D'AGARO P., LIBRALATO M., TOFFOLETTI G., CORTELLA G.
• Publication date: 2022/04/11
• Languages : English
• Source: 7^th IIR International Conference on Sustainability and the Cold Chain Online. Proceedings: April 11-13 2022
• Formats : PDF

Energy saving. 90°C hot water NH3 heat pumps in dairy plants.

• Author(s) : BOONE J.
• Publication date: 2015/06/12
• Languages : English
• Source: Le ultime tecnologie del freddo e del condizionamento. Atti del 16° Convegno Europeo: June 12-13, 2015, Milano, Italia.
• Formats : PDF

Recommended by the IIR

Research on Energy Saving Calculation Combining Load of Air Conditioner and Load of Refrigerated Display Case in a Grocery store.

• Author(s) : FUJITA M., NARUMI D.
• Publication date: 2021/08/31
• Languages : English
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

Recommended by the IIR / IIR document

Assessment of the energy savings generated by the application of good practices during utilization of refrigerated transport equipment along its conventional lifetime.

• Author(s) : DEVIN E., CAVALIER G., FERTEL C.
• Publication date: 2022/04/11
• Languages : English
• Source: 7^th IIR International Conference on Sustainability and the Cold Chain Online. Proceedings: April 11-13 2022
• Formats : PDF

Ušteda energije za grejanje i hladenje zgrada kombinovanom instalacijom toplotne pumpe i sunceve energije (KITPS).

Energy saving for buildings heating and cooling using combined solar-heat pump installations (CSHPI).

• Author(s) : BERDYBAEVA M.
• Publication date: 2014/12/03
• Languages : English
• Source: Zbornik radova. 45. Medunarodnikongres i izložba o grejanju hladenju i klimatizaciji./ Proceedings. 45th International congress and exhibition on heating, refrigeration and air conditioning (HVAC&R).
• Formats : PDF

Recommended by the IIR

Evaluation of Energy-Saving and Improvement of the Thermal Environment of the House with High Thermal Insulation, Heat Storage Performance, and Fitting Adjustment.

• Author(s) : UEHARA Y., UNO T.
• Publication date: 2022/09
• Languages : English
• Source: Energies - vol. 15 - 18
• Formats : PDF

Online optimal control of variable refrigerant flow and variable air volume combined air conditioning system for energy saving.

• Author(s) : ZHU Y., JIN X., DU Z., et al.
• Publication date: 2015/04/05
• Languages : English
• Source: Applied Thermal Engineering - vol. 80

Two-phase ejectors: a high potential for energy savings

Two review papers recently published in the IJR highlight ejectors as a promising solution to dramatically improve the efficiency of vapour compression refrigeration systems and outline the challenges that...

• Publication date : 2020/11/27

Latest trends in global energy-saving regulations

A summary of the latest trends from the JARN.

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

Space cooling at the heart of energy efficiency policies

The latest “IEA Energy Efficiency 2018” report stresses that cooling is the fastest growing energy end-use in buildings and calls for further improvements in efficiency gains, especially through raising of minimum energy performance standards.

• Publication date : 2018/11/22
• Subjects: General information, Figures, economy

Energy savings in a milk plant through permanent magnet speed motors (en français)

A Belgian milk plant reduces by 18 to 21% the necessary energy for cooling through permanent magnet speed motors. (en français)

• Publication date : 2016/09/09

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: Environment, Technology

Estimate of energy saved by heat pumps

All heat pumps installed in Europe in 2014 have saved 10.42 TWh of final and 4.7 TWh of primary energy.

• Publication date : 2016/02/05
• Subjects: Figures, economy

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

Transcritical CO2 system with ejector saves energy

Since July 2013, the first installed and operating transcritical CO2 system with ejector has registered 15% energy savings by reducing internal losses.

• Publication date : 2014/08/28

Incorporating PCMs in buildings material for energy conservation

The incorporation of PCMs in building materials is particularly interesting since it permits thermal storage to become a part of the building structure and is completely passive.

• Publication date : 2014/04/09

Channel Tunnel's new refrigeration system achieves energy savings of over 30%

R1233zd(E) proves its efficiency in Europe's largest cooling system.

• Publication date : 2018/08/08

How to improve the energy efficiency of cold stores in India

A report commissioned by the World Bank Group presents energy efficiency measures for the design of post-harvest and cold storage warehouses in India. 

• Publication date : 2022/07/08
• Subjects: Figures, economy, Developing country

Green roofs can reduce cooling demand in warm climate zones

The impact of green roofs on building energy performance was assessed in 15 climate zones. In most regions, the reduction in energy demand for cooling was greater than for...

• Publication date : 2023/10/24
• Subjects: Technology

Radiative cooling coatings that can adapt to the seasons

A novel material can be used as a coating on building’s rooftops or windows to provide radiative cooling in the summer without overcooling in the colder months. 

• Publication date : 2022/01/28
• Subjects: Technology

Radiative cooling: smart materials to switch from heating to cooling

Researchers have developed a radiative thermal management device, composed of several layers of reflective/absorbent materials, capable of switching between heating and cooling...

• Publication date : 2022/09/28
• Subjects: Technology

For IIR members only

United States: more stringent energy efficiency standards for refrigerators

The US Department of Energy imposes targets for reducing the energy consumption of refrigerators and freezers by 10 to 15% by 2029-2030

• Publication date : 2024/01/26
• Subjects: Regulation

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

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

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: Developing country, Technology, Environment

New IIR Informatory Note on thermal energy storage systems

IIR’s latest Informatory Note demonstrates that a well-designed TES system can reduce energy consumption through more efficient equipment operation and lower investment costs, thus reducing the equipment...

• Publication date : 2022/01/28

Member news: Carrier Transicold's innovative electrical technologies for refrigerated transport

Carrier Transicold promotes a new all-electric and autonomous cooling system for semi-trailers that completes its 100% electric range. 

• Publication date : 2021/03/29

New in our Encyclopedia. Ice cream manufacturing and its environmental impact.

A comprehensive review of the freezing process, market data and environmental impact of ice cream manufacturing. 

• Publication date : 2022/10/27
• Subjects: Figures, economy, Technology

Commission E2: at the forefront of heat pumps and energy recovery

Activities of the IIR’s Commission E2 “Heat Pumps, Energy Recovery”

• Publication date : 2015/07/01

Heat pumps, the central theme of the recent IIR Congress

An overview of the research carried out in the field of heat pumps, with the aim of achieving greater flexibility and increased energy efficiency, in particular through to the use of thermal energy...

• Publication date : 2023/10/24

Clim'Eco: the IIR is a partner of this new program, which began this year in Réunion.

This program aims to promote a reasonable use and good maintenance of air conditioning in the French overseas departments.

• Publication date : 2020/10/22

Spotlight on Commission B2: at the forefront of refrigerating equipment

Coordinated by the IIR Science and Technology Council, Commission B2 focuses on promoting knowledge of refrigerating equipment technologies and their applications worldwide.

• Publication date : 2015/05/15

IIR website: most downloaded publications in 2023

Discover the three most popular IIR publications of 2023. The focus is on the carbon footprint of the cold chain and cold rooms! 

• Publication date : 2024/02/27

Invitation to join the IIR working group: Solid-state cooling and heating

Established last year, this latest IIR working group aims to promote international research collaboration to provide energy efficient and environmentally friendly solutions for a variety of solid-state...

• Publication date : 2023/05/02
• Subjects: Technology

Interview: Director General of the IIR gives an overview of the trends of the refrigeration sector

In the 2018-2019 international special issue of the Industria & Formazione magazine, Director General of the International Institute of Refrigeration, Didier Coulomb, gives an overview of the impact of the refrigeration sector on climate...

• Publication date : 2019/02/19

Discover the 33rd IIR Informatory Note on "Cogeneration/Trigeneration"

This Informatory Note discusses the operating principles of cogeneration and trigeneration as well as their advantages and challenges.

• Publication date : 2017/01/17

New IIR Informatory Note on non-uniform environment

A non-uniform indoor environment can reconcile the demand for a healthy and comfortable environment and the objective of low carbon emissions. 

• Publication date : 2023/11/28

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

For IIR members only

Heat pump stock in Europe

This table presents the stock of installed heat pumps, the CO2 emissions avoided and the number of jobs in the heat pump sector in Europe.

• Last update : 2021/12/14
• Langues : English
• Themes : Heat pumps, energy recovery: economics and statistics

Ice cream manufacturing, environmental impact and market data

From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...

• Last update : 2023/06/30
• Langues : French, English
• Themes : Ice creams

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