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An approach to second law analysis of adsorption heat pumps.

Une approche pour l'analyse selon le second principe de pompes à chaleur à adsorption.

• Author(s) : CRITOPH R. E.
• Publication date: 2014/03/02
• Languages : English
• Source: International sorption heat pump conference (ISHPC2014), College Park, United States, March 31-April 2, 2014.
• Formats : PDF

IIR document

Experimental and numerical study on heat transfer of gas cooler under the optimal discharge pressure.

Étude numérique et expérimentale du transfert de chaleur d’un refroidisseur de gaz sous pression de refoulement optimale.

• Author(s) : QIN X., ZHANG D., ZHANG F., GAO Z., WEI X.
• Publication date: 2020/04
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 112
• Formats : PDF

Pompe à chaleur PAC Facteur 7 utilisant la chaleur des eaux grises comme source génératrice d'eau chaude sanitaire.

Factor-7 heat pump using waste-water heat as a heat source for domestic hot water.

• Author(s) : NEHME G., CLODIC D.
• Publication date: 2014/03
• Languages : French
• Source: Revue générale du Froid & du Conditionnement d'air - vol. 104 - n. 1141

Réalisations exemplaires de pompes à chaleur dans le tertiaire.

Outstanding heat pump achievements in the services sector.

• Author(s) : Association française des pompes à chaleur (AFPAC)
• Publication date: 2015
• Languages : French

Two dimensional model for multistream plate fin heat exchangers.

Modèle bidimensionel pour des échangeurs de chaleur à plaques à ailettes à écoulement multiple.

• Author(s) : GOYAL M., CHAKRAVARTY A., ATREY M. D.
• Publication date: 2014/05
• Languages : English
• Source: Cryogenics - vol. 61

Réalisation exemplaires de pompes à chaleur dans le tertiaire.

Outstanding heat pump achievements in the services sector.

• Author(s) : AFF
• Publication date: 2015/02
• Languages : French

Une pompe à chaleur au CO2 prometteuse.

A promising CO2 heat pump.

• Author(s) : GROLL E. A., KURTULUS O., YAZAWA K., et al.
• Publication date: 2016/03
• Languages : French
• Source: Revue générale du Froid & du Conditionnement d'air - n. 1156

Pompes à chaleur transcritiques au R32 pour des applications industrielles.

R32 transcritical heat pumps for industrial applications.

• Author(s) : BESBES M., ZOUGHAIB A., CARLAN F. de, et al.
• Publication date: 2015/04
• Languages : French
• Source: Revue générale du Froid & du Conditionnement d'air - vol. 104 - n. 1151

Pompes à chaleur géothermiques : les opérations de forage et limites de prestations.

Geothermal heat pumps: drilling operations and performance limitations.

• Publication date: 2014/07
• Languages : French

Numerical Investigation on Thermal–Hydraulic Performance of a Printed Circuit Heat Exchanger for Liquid Air Energy Storage System.

Étude numérique des performances thermo-hydrauliques d'un échangeur de chaleur à circuit imprimé pour un système de stockage d'énergie à air liquide.

• Author(s) : LIU H., ZHANG Y., YU P., XUE J., ZHANG L., CHE D.
• Publication date: 2022/09
• Languages : English
• Source: Energies - 15 - 17
• Formats : PDF

Comprehensive Comparison of Hybrid Cooling of Thermal Power Generation with Airside Serial and Parallel Heat Exchange.

Comparaison détaillée du refroidissement hybride de la production d'énergie thermique avec échange de chaleur en série et en parallèle côté air.

• Author(s) : HUANG Q., ZHI Y., ZHANG R., WEI H., XU L.
• Publication date: 2022/09
• Languages : English
• Source: Energies - 15 - 17
• Formats : PDF

Pompes à chaleur double-service en habitat individuel : conception et dimensionnement, installation et mise en service, entretien et maintenance.

Dual operation heat pumps in individual homes : design and sizing, installation and commissioning, maintenance and repair.

• Publication date: 2014/06
• Languages : French

L'inspection des systèmes de climatisation et pompes à chaleur réversibles de plus de 12 kW.

Inspecting air-conditioning systems and reversible heat pumps over 12 kW.

• Author(s) : CAVALIER G., MOULINS F.
• Publication date: 2014/03
• Languages : French
• Source: Revue générale du Froid & du Conditionnement d'air - vol. 104 - n. 1141

IIR document

Une nouvelle approche d'optimisation de pompe à chaleur tenant compte du couplage entre les réservoirs thermiques et le cycle.

• Author(s) : FEIDT M., COSTEA M.
• Publication date: 2021/12
• Languages : French
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 132
• Formats : PDF

Mauvais paramétrage d'une pompe à chaleur air/eau double service : quel impact sur le confort et la consommation électrique ?

Air-to-water dual operation heat pump wrongly set up: what are the effects on comfort and energy consumption?

• Author(s) : CRUZ TEJEDA A. de la, RIVIERE P., MILU A., et al.
• Publication date: 2015/04
• Languages : French
• Source: Revue générale du Froid & du Conditionnement d'air - vol. 104 - n. 1151

Le marché 2015 des pompes à chaleur en France

According to the AFPAC (French Association for Heat Pumps), 399,657 monosplit and multisplit air-to-air heat pumps were sold in 2015 in France.

• Publication date : 2016/07/11
• Subjects: Figures, economy

A propane heat pump with compact bionic heat exchangers

In Germany, Fraunhofer has developed a propane heat pump using compact finned heat exchangers with distribution boxes whose structure is inspired by nature.

• Publication date : 2018/09/27

UK: a dual purpose heat pump chiller with heat recovery

A Salisbury District Hospital’s unit has recently been equipped with an innovative high efficiency heat pump chiller.

• Publication date : 2018/02/18

The global heat pumps market

The global heat pumps market is estimated at 58.3 million units in 2013 and forecasted to grow at a 2014-2020 Compound Annual Growth Rate (CAGR) of 10.6%.

• Publication date : 2014/04/04
• Subjects: Figures, economy

European heat pump market

The preliminary statistics on heat pump use in Europe as presented by European Heat Pump Association (EHPA) show that at least 6.8million heat pumps have been installed between 2005 and 2013, in 21 European markets.

• Publication date : 2014/10/20
• Subjects: Figures, economy

European heat pump market

In the European market, heat pump sales grew slightly by 3.49% in 2014, leading to a total of 796 746 units sold across Europe.

• Publication date : 2016/02/04
• Subjects: Figures, economy

European heat pump market.

According to European Heat Pump Association (EHPA), European heat pump market grew for the third consecutive year in 2015.

• Publication date : 2017/03/03
• Subjects: Figures, economy

French heat pump market situation

The total market showed an increase of sales in 2014 with a little over 192 967 units sold. This is a rise of 27% compared to 2013.

• Publication date : 2016/02/12
• Subjects: Figures, economy

Heat pump sales in France

2013 Air-air Heat pumps (HPs) sales show significant increase

• Publication date : 2014/07/23
• Subjects: Figures, economy

Sweden heat pump market situation

In Sweden, there were over 400,000 heat pumps in operation for space heating in 2014.

• Publication date : 2016/03/08
• Subjects: Figures, economy

Belgium heat pump market situation

In Belgium, there were over 40,000 heat pumps in operation for space or water heating.

• Publication date : 2016/03/08
• Subjects: Figures, economy

Efficiency of ground source heat pump systems

Ground source heat pumps (GHSP) have been reported to be more efficient than more widespread air source heat pumps despite higher installation costs. A recent article has reviewed parameters impacting the energy...

• Publication date : 2021/03/29
• Subjects: Technology

Heat pumps: record sales in 2022

The European heat pump market continues to do very well, according to EHPA. Three million units were sold in 2022, a 38% jump from 2021. 

• Publication date : 2023/03/27
• Subjects: Figures, economy

Heat pump market figures

JARN estimates that the 2012 world air-to-water market increased 5.4% year on year to 1.37 million units. This increase is mainly attributed to ongoing robust growth in the Chinese market.

• Publication date : 2014/01/01
• Subjects: Figures, economy

Heat pump market in Germany

German heat pump association BWP market figures remained in 2013 totaling 60,000 installations, destined mainly for the housing market.

• Publication date : 2014/09/05
• Subjects: Figures, economy

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

New IIR Informatory Note on high-temperature heat pumps

IRR’s latest Informatory Note demonstrates that high-temperature heat pumps are a key technology in the decarbonisation of process industries. 

• Publication date : 2021/10/22

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

Presentation of IIR Commission E2 activities by Per Lundqvist, President of Commission E2

• Publication date : 2015/05/22

Call for papers: 2014 International Sorption Heat Pump Conference

ISHPC 2014 extends abstract deadline until September 13, 2013

• Publication date : 2013/09/03

Hot off the press: Handbook on Indirect Refrigeration and Heat Pump Systems

Be the first to read the newly published IIR Handbook on Indirect Refrigeration and Heat Pump Systems.

• Publication date : 2015/08/05

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

See you at the 2nd China Heat Pump Conference in 2024

Join this co-sponsored IIR conference on heat pumps in China set to be bigger than the first!

• Publication date : 2023/06/13
• Subjects: Technology

IIR member news: Excess heat is the largest untapped energy source

In a whitepaper, IIR Benefactor member Danfoss highlights the vast untapped potential of excess heat as a source of energy.

• Publication date : 2023/03/27

New IIR Informatory Note on Air-source heat pumps for space heating and cooling

The IIR has issued a new Informatory Note on Air source heat pumps for space heating and cooling. A summary for policymakers and a Chinese version of this note have also been published.

• Publication date : 2021/02/23

Focus on Shecco's Virtual Trade Show, the IoR annual conference and the 13th IEA Heat Pump Conference

Focus on the latest events in which the IIR has been involved. 

• Publication date : 2021/04/29

New IIR Informatory Note on solar cooling and other new publications

The IIR has just published an Informatory Note on solar cooling and has posted the Chinese version of the Informatory Note on the role of refrigeration in worldwide nutrition on its website.

• Publication date : 2021/01/26

Two new IIR Informatory Notes on Energy Recovery!

The IIR has just published two new Informatory Notes on energy recovery: one on Energy Recovery in Mechanical Ventilation Systems and the other one on Air-to-Air Energy Recovery Equipment. 

• Publication date : 2021/06/29

Statement given by Didier Coulomb, Director General of the IIR, during MOP 34

Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 34th Meeting of the Parties to the Montreal Protocol (MOP-34) in Montréal, Canada (octobre 31 –...

• Publication date : 2022/12/12
• Subjects: Developing country, Environment, Technology

New IIR Informatory Note on The Role of Refrigeration in the Global Economy

In its latest Informatory Note, the IIR highlights the major and growing role of the refrigeration industry in the global economy, particularly in the areas of food, health, energy and the environment. It calls on policy makers to consider this...

• Publication date : 2019/08/29
• Subjects: Figures, economy

The IIR publishes two new IIR Informatory Notes on Energy Recovery!

The International Institute of Refrigeration (IIR) has just published two new Informatory Notes on energy recovery: one on Energy Recovery in Mechanical Ventilation Systems and the other one on Air-to-Air Energy...

• Publication date : 2021/07/13
• Subjects: Environment, Technology

Additive manufacturing of heat exchangers

In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...

• Last update : 2022/09/07
• Langues : French, English
• Themes : Evaporators, condensers and other heat exchangers

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

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

Additive manufacturing of regenerators for caloric cooling

In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...

• Last update : 2022/09/16
• Langues : French, English
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)

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

Nanorefrigerants

Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...

• Last update : 2022/06/17
• Langues : English, French
• Themes : Nanofluids

Global warming potential (GWP) of HFC refrigerants

Using the latest updated data from UNEP’s RTOC 2022 report, we have compiled the 100-year GWP and 20-year GWP values of hydrofluorocarbon-based (HFC) refrigerants. Our table includes...

• Last update : 2023/09/15
• Langues : French, English
• Themes : HFCs