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Assessing the potential of air-source heat pumps in the Canadian residential sector.
Scope and implementation of ground source heat extraction technology in India for multiple energy saving applications.
IIR document
The role of heat pumps in the smart energy systems.
Nuevo modelo dinámico de un intercambiador enterrado en TRNSYS: adaptación del modelo B2G a largos periodos de simulación.
New dynamic model of a buried exchanger by using TRNSYS: B2G model adaptation to wide simulation periods.
Lessons learned from a reappraisal of the original heatpump.
Disruption to heat business models: from shifting boxes to selling comfort.
From smarties, ice-cream and flowers.
Unlocking the power of heat pumps with hybrid installations.
Performance analysis of a novel hybrid vapor injection cycle with subcooler and flash tank for air-source heat pumps.
Heat pump system performance measurement in Annex 52.
Heat pumps (heating only). Fact Sheet 11.
Influence of input variables on the irreversibilities of a CO2 heat pump.
Simulation and test results of an innovative CO2 residential monoblock heat pump for domestic hot water.
Evaluation of pentanes as refrigerants for heat pumps with sink temperatures above 130°C.
Enhancing cooling performance of R744 heat pump system in electric vehicles using gas injection technology.
Refrigeration sector monitoring
20 results
Road to COP28. Extending the temperature range and application for heat pumps
To promote decarbonation, “high temperature heat pumps should be designed using waste heat and renewables as a driving energy, and environmentally friendly working fluids”, according...
Global air-to-water heat-pump market figures
In 2010, global air-to-water (ATW) heat-pump market demand increased by 24% since the previous year.
4,000 jobs lost as heat pump sales drop across Europe in 2024
Sales of heat pumps fell by an average of 23% in 2024 compared to 2023, putting thousands of jobs at risk according to the European Heat Pump Association (EHPA)
Japanese households don’t make the most of reversible heat pumps
Despite a high market penetration, less than half of Japanese households use their reversible heat pumps for heating.
China issues action plan to advance its heat pump industry
In April 2025, a group of China’s ministries and governmental bodies jointly released an “Action Plan for Promoting High-Quality Development of the Heat Pump Industry”.
ICR2019: overview of current refrigeration research topics (part IV)
Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.
IEA “Net Zero by 2050” roadmap: the role of the refrigeration sector
In its latest report, the IEA stresses that the path to net‐zero emissions by 2050 is narrow. In this context, the refrigeration sector, including heat pumps, has an important role to play.
Powering urban sustainability: how electricity import capacity shapes heat pump adoption and thermal storage
A recent study published in Energies evaluated two scenarios modelling the relationship between electricity import and technologies implemented in urban areas to meet the demands for...
How to increase market uptake of innovative renewable heating and cooling systems ?
The results of two years of EU-funded research highlight several recommended incentives to motivate the uptake of innovative renewable heating and cooling systems.
ICR2019: overview of current refrigeration research topics (part III)
The Global Geothermal Heat Pump Market 2015-2019
The global geothermal heat pump market will grow at a CAGR of 15.26% over the period 2015-2019, according to a report from Research and Markets.
New heat pump life cycle performance assessment tool
The Air-conditioning, Heating and Refrigeration Technology Institute (AHRTI) developed a tool to calculate Life Cycle Climate Performance (LCCP), using Microsoft Excel.
New whitepaper highlights hybrid heat pump “missed opportunity” in the UK
A new report highlights the key role hybrid heat pumps could play in the decarbonisation of the heating sector in the UK, urging for better policies.
UK: Boiler Upgrade Scheme drives 52% rise in heat pump installations
The number of UK homes installing government-supported heat pumps reached a record high last year, driven by increased grants and rising awareness of low-carbon heating.
Heat pumps: an approach to select the highest performing refrigerant mixture
One of the most downloaded IJR articles in 2019 concludes that zeotropic mixtures have the potential to significantly improve both the thermodynamic and economic performance of heat pumps in suitable applications.
IIR news
15 results
Discover the Encyclopedia of Refrigeration
The IIR is proud to present the newest addition to its portfolio of scientific information products; the Encyclopedia of Refrigeration.
The importance of heat pump data for policymaking: Insights from the IEA workshop
On January 23, the IIR participated in the workshop “The importance of heat pump data for policymaking and innovation,” organised by the IEA in Paris.
Celebrating Heat Pumps Day with Björn Palm: Scientific Leadership and IIR Engagement
In celebration of Heat Pumps Day, the International Institute of Refrigeration (IIR) is proud to spotlight the work of Professor Björn Palm, a leading figure in the field of thermal systems and energy...
FRIDOC now features a selection of MDPI articles on refrigeration
About 150 articles from MDPI journals, including review articles on various refrigeration technologies, are available in FRIDOC.
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 –...
IIR’s historical commitment to heat pump excellence and sustainable solutions
IIR is committed to supporting, informing and connecting scientists, policymakers, manufacturers and end-users of heat pump technologies through reference publications and dedicated...
Call for papers: 2014 International Sorption Heat Pump Conference
ISHPC 2014 extends abstract deadline until September 13, 2013
Activities of the IIR’s Commission E2 “Heat Pumps, Energy Recovery”
Presentation of IIR Commission E2 activities by Per Lundqvist, President of Commission E2
Commission E2: at the forefront of heat pumps and energy recovery
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.
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...
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...
50% off! Special Heat Pump Day sale on a selection of IIR publications
In celebration of Heat Pump Day 2025, we are offering a 50%-off sale from October 20 to October 24, 2025 on all IIR papers and a selection of IIR guides.
26th IIR International Congress of Refrigeration - Call for abstract
Abstract submission for the 26th International Congress of Refrigeration is extended. ICR 2023 is scheduled from 21st to 25th August 2023 in Paris.
The IIR Informatory Note on Solar Cooling published in Russian
The IIR has just published a Russian version of the Informatory Note on Solar Cooling. In addition to the English and French versions, other notes have recently been published in Chinese, Russian and Spanish...
Events
2 results
Other event
15th IEA Heat Pump Conference
May 26, 2026 - May 29, 2026
Vienna, Austria
Join the 15th IEA Heat Pump Conference, which will take place in Vienna, Austria,from May 26-29, 2026! The 15th IEA Heat Pump Conference, co-sponsored by IIR,...
Find out more
IIR event
17th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL 2026)
August 23, 2026 - August 26, 2026
Hamilton, New Zealand
Submit your abstract! With the increasing need for global warming countermeasures, natural working fluids have become a clear vector to reducing the CO2 footprint of...
