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Quantification of electrical load flexibility offered by an air-to-water heat pump equipped single-family residential building in Sweden.
Flexibility potential of heat pumps in Swedish thermal grids: for district heating companies and end users.
IIR document
Past and future of natural refrigerants.
Long-term evaluation of an office building with large-scale heat pump and aquifer system in southern Sweden.
Transcritical CO2 refrigeration system integrated with a heat pump for heat export to district heating.
Lagged-kNN based data imputation approach for multi-stream building systems data.
Integration of heating and air conditioning into a CO2 trans-critical booster system with parallel compression Part II: performance analysis based on field measurements.
Recommended by the IIR / IIR document
The first tests on the vertical cryostat Gersemi with the liquid insert at FREIA laboratory.
Field measurements of ground source heat pump systems installed in existing single family houses - Evaluation after several years of operation.
Designing a near zero energy supermarket - Minimising energy use and ensuring the supply of renewable energy.
Integration of heating and air conditioning into a CO2 trans-critical booster system with parallel compression Part I: evaluation of key operating parameters using field measurements.
First CO2 ice rink in Europe: a huge success.
Energy agreements regarding grocery stores for a sustainable society - Lessons learned.
Field measurement analysis of centralized refrigeration systems’ evaporators under overfeed conditions.
Innovative small capacity gas driven ammonia-water absorption heat pump prototype for space heating and domestic hot water production.
Refrigeration sector monitoring
76 results
Sweden heat pump market situation
In Sweden, there were over 400,000 heat pumps in operation for space heating in 2014.
Renewables power 26.2% of EU heating and cooling, Sweden leads the way
According to Eurostat annual analysis, the share of renewable energy sources in heating and cooling has reached its highest value since 2004.
The Air conditioning and Refrigeration Institute (ARI) issued a white paper on Energy Recovery Ventilation (ERV).
The white paper, entitled "Characterizing the efficiency of energy recovery ventilation and informing the design of HVAC systems", supplements the ARI guideline V: "Calculating the Efficiency of Energy Recovery Ventilation and its Effect on...
An infographic shows what would happen if all technologies suddenly vanished
The Refrigeration School recently published The Refrigeration Apocalypse, an infographic showing the consequences of a failure of all cooling systems after different periods of time.
Renewable energy for heating and cooling in the EU in 2020
The share of renewable energy sources used for heating and cooling in the EU continues to increase steadily, from 22% in 2019 to 23% in 2020. The share was above 50% in six Member...
Permanent ice hotel thanks to solar cooling.
In Northern Sweden, Icehotel 365, a permanent ice hotel, opened in November 2016.
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...
France, 1st European market for heat-pumps
In 2013, the French heat-pump market was the first in Europe, before Italy, Sweden, Germany and Norway, according to statistics from the European Heat Pump Association (EHPA).
AC adoption may increase household electricity consumption up to 42%
In a recent study by EnergyA, an EU-funded research project, authors examined the impact of climatic conditions on households’ electricity expenditures in Australia, Canada, France, Japan, the Netherlands,...
Record low temperatures for more reliable quantum computing
Researchers at Chalmers University of Technology, Sweden, and the University of Maryland, USA, have engineered a new type of quantum refrigerator, improving upon the performance of the currently used dilution...
State of play of district heating and cooling in Europe
District heating and cooling can represent an interesting opportunity as part of the decarbonisation of the heating and cooling sector. A study takes stock of existing networks...
District heating and cooling in Europe: the share of renewable energy
District heating and cooling networks continue to expand in Europe, further integrating renewables and waste heat sources.
Insight into the recent decline in heat pump sales in Europe
The EHPA reports that heat pump sales in 14 European countries fell by around 5% overall in 2023 compared to 2022.
Heat pump sales grew in Europe in 2020
According to the latest market report by European Heat Pump Association (EHPA), heat pump sales grew by +7.4% in 2020, offering benefits both in terms of greenhouse gas emission...
The HVAC&R market in the EMEA region in 2015
Eurovent Market Intelligence (EMI), the European Statistics Office for the HVAC&R market, has just published the results of its studies on 2015 sales in the Europe, Middle East and Africa (EMEA) region, based on the data collected from a large...
IIR news
27 results
Obituary of Professor Eric Granryd
The IIR is deeply saddened to learn that Professor Eric Granryd died on March 30, 2022 at the age of 88.
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...
Past events: The IIR around the world, August and September 2024
A look back at the IIR’s latest events during conferences (Gustav Lorentzen, Thermag, Compressors) and during sponsored vents (CHPC).
Highlights from COP13/MOP36 – Day 3
The IIR concluded another successful side event on natural refrigerants at COP13/MOP36. Today's session brought together a diverse group of government representatives, industry leaders, and environmental experts...
IIR publishes a new Technical Brief: Domestic heat pumps using hydrocarbons - Current status and market overview in Europe
At a time when the energy transition is at the top of the global agenda, the IIR is publishing a new Technical Brief on domestic hydrocarbon heat pumps. This strategic document...
EU project SuperSmart comes to a close: What have we learnt?
Funded by the European Union Horizon 2020 Research and Innovation Programme, the EU SuperSmart project was launched in February 2016 and recently came to an end. Want to know how to reduce energy consumption in the food retail sector?… SuperSmart...
Discover the newly-elected IIR Section and Commission heads
Welcome the IIR’s new statutory body members!
Discover the winners of the IIR Scientific Awards 2023
Every four years at its Congress, the IIR offers a series of prestigious Scientific Awards that recognise those who have made outstanding contributions to the field of refrigeration. Discover this year’s...
IIR in Bangkok: Highlights from COP13/MOP36 and the World Cold Chain Symposium
IIR actively participated in the COP13/MOP36 and 2024 World Cold Chain Symposium events organised in Bangkok, Thailand, from 26 October to 1 November, hosting two side events and promoting solutions for...
COOL-SAVE meeting in Stockholm
The stakeholders of the COOL-SAVE European-Union-funded project held a management committee meeting in Stockholm, Sweden.
News from IIR members: DKV
New DKV publications:• CD-ROM of Deutschen Kälte-Klima Tagung 2010 in Magdeburg, containing all papers and presentations. Languages: German and English• Special: CD-ROMs from DKV-Tagungen 2002 to 2010 as a...
New IIR Informatory Note on the carbon footprint of the cold chain
The IIR has just issued a new Informatory Note on the carbon footprint of the cold chain. It highlights the food safety and environmental benefits of an improved global cold chain.
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.
Driving Consistent and High-Quality Training on Alternative Refrigerants Across Europe
Real Alternatives is driving consistent and high-quality training on low-GWP alternative refrigerants across Europe, providing a comprehensive certification system to support the transition away from fluorinated...
Encyclopedia of Refrigeration
2 results
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...
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...
