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IIR document
Gradual fault early stage diagnosis for air source heat pump system using deep learning techniques.
Technical and economic analysis of wet compression–resorption heat pumps.
Performance analysis of different ternary NH3-H2O-salt absorption heat pump cycle combined with electrodialysis technique.
Analysis of ground source heat pump systems in residential buildings.
Operational experiences and system improvement measures for gas absorption heat pump systems.
Borehole installations or air to water heat pumps. What to use and where.
Influence of ground water flow on implementation of distributed thermal response test.
Performance evaluation of a ground source variable refrigerant flow (VRF) system for a university building in cold climate.
Interactions of ground source heat pumps with nearby underground railway tunnels in an urban environment.
Thermodynamic analysis of an electrochemically driven chemical looping heat pump.
Heat pumps architecture optimization for enhanced medium temperature geothermal heat use in district heating.
Sistemi sa bušotinama ili toplotne pumpe vazduh-voda. Koje rešenje koristiti i na kojoj lokaciji.
Mogucnosti i nacini korišcenja subgeotermalne energije u Beogradu.
Possibilities and manners of usage the subgeothermal energy in Belgrade.
Effect of different injection vapor modes on the heating performance of the heat pump.
Parametric study on performance of vapor compression distiller.
Refrigeration sector monitoring
46 results
Heat pumps without compressors: Fraunhofer advances electrocaloric technology
A consortium or researchers in Fraunhofer-Gesellschaft research organisation, Germany, made great progress in terms of material and system design, and set up the first demonstrators for electrocaloric heat...
Purdue conferences highlights: development of high-temperature heat pumps
High-temperature heat pumps are currently subject to intense R&D work, as illustrated by several papers presented at Purdue last year. All Purdue papers can now be downloaded from the Fridoc database.
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.
High temperature heat pumps to increase energy efficiency of industrial processes
Summary of an article published in the International Journal of Refrigeration.
North American geothermal heating and cooling markets
Geothermal heating and cooling technologies may hold the key for an increase in overall energy efficiency in non-residential buildings.
Geothermal heat-pump under supermarket car park
Walmart’s new 12,540 m² prototype store in Burlington, ON, Canada is equipped with a geo-heat exchange heating and cooling system using 15 km of pipes under the store’s parking lot.
Potential of natural refrigerants in China, the case of the heat pump market.
Summary of a paper presented during the 12th IIR Gustave Lorentzen conference on Natural refrigerant, available in Fridoc.
A ground source heat pump at Cornell
The Bloomberg Center at the tech campus of Cornell University (New York, USA) was recently equipped with a Ground Source Heat Pump (GSHP).
The high potential of ground-source heat pumps to decarbonise the European building sector
A potential reduction of 20-40% and 30-50% of energy demand in buildings, for heating and cooling respectively, could be achieved through increased use of geothermal heat pumps.
World’s largest CO2-based seawater heat pump goes live in Esbjerg, Denmark
This 70 MW heat pump now provides renewable district heating, supporting Esbjerg’s transition to carbon-neutral energy by 2030.
Wondrwall introduces AI-controlled propane heat pump
Wondrwall launches a propane air-source heat pump with AI-powered energy management for cost and carbon savings.
Residential heat pump optimised by solar radiation forecasts
A new heat pump system heats water mainly during the day based on solar radiation data, offering significant energy savings.
A semi-hermetic ammonia heat pump for heating and cooling an office complex
An innovative semi-hermetic ammonia heat pump for heating and cooling 40,000 m2 of apartments and business premises was recently installed in Eindhoven, the Netherlands.
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.
Optimisation of a heat pump for satellite cooling
Satellites are deployed into near earth orbit in order to provide a platform for a wide range of missions, including telecommunications systems, surveillance systems and astronomical systems.These systems have seen a large increase in...
IIR news
109 results
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!
Ammonia and CO2 Refrigeration Technologies conference papers now available to download
Member news: Carrier launches a high-temperature heat pump with R290
Carrier introduces its first high-temperature air source heat pump designed for commercial applications, using R290 to enhance efficiency.
Member news: GEA implements an innovative high-temperature heat pump at a Tiense Suiker production site
GEA has developed a high-temperature industrial heat pump utilising heat recovery, with reduced emissions.
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.
IIR Conference report: Ohrid
The 4th IIR Conference on Ammonia Refrigeration Technology took place in Ohrid, Macedonia (FYROM), on April 14-16, 2011. 111 persons from 33 countries attended. Scientific papers were presented, and policy and regulations issues were covered.
ICR2015: A stimulating environment for dynamic exchanges
With a focus on improving standards and the quality of life of many worldwide, as well as emphasising the importance of preserving the earth through the advancement of refrigeration applications and technology, ICR2015 is expected to attract a...
Discover the newly-elected IIR Section and Commission heads
Welcome the IIR’s new statutory body members!
Member news: Danfoss hosts global leaders in sustainable heating & cooling
In April, Danfoss hosted a week dedicated to sustainable heating and cooling. The second day featured Danfoss RACHP Symposium, where IIR Director General Yosr Allouche delivered a keynote presentation,...
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...
IIR at SIFA Expo 2024
On 19-21 November, IIR participated in SIFA Expo 2024, the interprofessional trade show on refrigeration and its applications in Lyon, France, a premier event for commercial and industrial refrigeration, cold...
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.
Available now: All 474 papers from the Purdue Conferences 2018
Welcoming 800 participants from 30 different countries, the 2018 Purdue Conferences took place at Purdue University in West Lafayette, Indiana, USA, from July 9 to 12, 2018.
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.
IIR WRD event 2025: STC President Gérald Cavalier, reaffirms the IIR’s scientific mission
During the IIR World Refrigeration Day event held on 18 June 2025 in Paris, Mr. Cavalier, President of the IIR Scientific and Technical Council, emphasised that one of the IIR’s strengths is its role in...
Events
1 result
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,...
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