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Assessing the potential of air-source heat pumps in the Canadian residential sector.
Recommended by the IIR / IIR document
Experimental results of a high-temperature heat pump prototype with R1336mzz(Z) for various production temperatures.
IIR document
Experimental investigation of high-glide refrigerant mixture R1233zd(E)/R1234yf in a high-temperature heat pump.
Experimental assessment of the use of R515B as R1234ze(E) alternative in a small water-to-water heat pump.
Une nouvelle approche d'optimisation de pompe à chaleur tenant compte du couplage entre les réservoirs thermiques et le cycle.
Heat pumps.
Field demonstration of predictive heat pump water heater control.
A cascade heat pump for water heating.
Thermoelectric heat pump performance characterization.
Thematic file: Heat pumps for decarbonising heating and cooling.
HpCosy – Heat pump comfort system.
Heat pumps (heating only). Fact Sheet 11.
Investigation of air-source heat pump using heat pipes as heat radiator.
Recommended by the IIR
Field performance of domestic heat pumps for heating and hot water in Switzerland - Part II: results, analysis and optimization.
Heat pump assisted solar thermal system.
Refrigeration sector monitoring
603 results
Heat pumps
- Analysis of sales of heat pumps in Austria over 2003 and 2004 has shown good growth in the heating and controlled dwelling ventilation segments. The figures were compiled with the National Ministry for Transportation, Innovation and Technology,...
Markets: Heat Pumps
- Heat pumps hot in Europe According to the Swedish Heat Pump Association, SVEP, the Swedish market for domestic heat pumps has developed greatly over the last ten years, with over 100 000 heat pumps being sold in 2004. Exhaust air heat...
Markets: Heat pumps
The French heat-pump market grew 112% in 2006, reaching 53 510 units sold. The sales increase was even greater in Germany, where 139% growth occurred.
New combined CO2 heat pump and solar heating system.
The Institut für Thermodynamik at the Technical University of Braunschweig (www.ift.tu-bs.de) has developed a new heating system based on a CO2 heat pump connected with a solar storage tank. A...
CHEs in heat pumps
In its Annex 33, "Compact Heat Exchangers in Heat Pumping Equipment" issued in September 2010, the Heat Pump Programme details the benefits of using compact heat exchangers (CHEs): . Improved heat exchanger thermal effectiveness: thermal...
Residential CO2 heat pump system for combined space heating and hot water heating
This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A theoretical and experimental study was carried out for a residential brine-to-water CO2 heat pump system for combined space heating and hot water heating - a...
Heat Pump Programme success
The International Energy Agency (IEA) launched a Heat Pump Programme in January 2003, which ended in May earlier this year. Ten countries participated in the programme: Austria, Canada, France, Japan, Norway, Sweden, UK and USA. They joined...
GL2012 highlights: compact CO2 air-heating heat pump for industrial drying
Researchers in Japan studied and developed a small capacity CO2 heat pump for industrial drying that is hoped will reduce power consumption to about one third.
Market: European heat pump market
- The European Heat Pump Association (EHPA) has published an updated version of its outlook for the European heat pump market. The report shows that after 2 years of very difficult economic times, the market decline has stopped and heat pump...
Market: Japanese heat pump market
A Japanese market research company has analysed the Japanese heat pump market for applications in Eco-Cute water heaters and air-conditioners and published a forecast for market development over the next 10 years. Growth expectations for the...
Markets: Nordic heat-pump markets
In Sweden, heat pump sales reached a record 48 806 in 2003. Until now, single-family homes were the main niche, but growth is expected to shift to apartment buildings. Source: Swedish Heat Pump Association, Martin Forsén, Tel: +46 8 762 75 Norway...
Geothermal heat pumps on the rise
Geothermal (ground-source) heat pumps (GHPs) are one of the fastest growing applications of renewable energy in the world with worldwide annual growth rate which exceeded 10% over the past 10 years.
Heat pump penetration in Europe
In spite of the overall market setback in 2009, the long-term growth trend for heat pumps in Europe is upwards, says a report from the IEA Heat Pump Centre (Sweden). For the 9 countries analysed, the total installation rate was 525 000 units...
China: new CO2 heat pump standard
Standard GB/T26181-2010 is for hermetic motor-compressors for household and similar-use heat pump water heaters using CO2 refrigerant, and is expected to accelerate the introduction of new products on the Chinese market.
Heat pumps sales soar in France
AFPAC (Association Française pour les Pompes à Chaleur) has announced a record sales figure for air-to-water heat pumps (HPs). Sales recorded by AFPAC members were 133 080 in 2008, up over 160% over 2007. The overall market in 2008 is estimated...
IIR news
372 results
New IIR publications: Saving Energy in Refrigeration, Air-Conditioning and Heat-Pump Technology
The French version of the IIR guide Saving Energy in Refrigeration, Air-Conditioning and Heat-Pump Technology will be published in November 2009; the goal of this guide is to provide practical ways of minimizing the energy consumption of...
INDEE+: Focus on the two-day workshop “Hotel Decarbonisation using R744 Heat Pump/chiller” organised in April
A two-day workshop titled “Hotel Decarbonisation using R744 Heat Pump/chiller” was organised on 26-27 April 2024 at Antarim Resorts, Goa. The technical session was followed by a demonstration of the R744 HP/C...
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.
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.
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’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
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!
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.
Commission E2: at the forefront of heat pumps and energy recovery
Activities of the IIR’s Commission E2 “Heat Pumps, Energy Recovery”
Presentation of IIR Commission E2 activities by Per Lundqvist, President of Commission E2
IIR Webinar – Domestic hydrocarbon heat pumps, key to a decarbonised future
As the world accelerates towards decarbonisation, heat pumps are emerging as a global solution for cleaner, more efficient residential cooling and heating.
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...
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.
IIR Member news: New Mitsubishi Electric Ecodan R290 heat pumps for residential use
The new Mitsubishi Electric Ecodan R290 heat pumps provide higher capacities for residential heating, using propane as a low-GWP refrigerant and operating efficiently in low temperatures.
Encyclopedia of Refrigeration
12 results
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.
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...
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...
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...
Environmental impact of the ice cream industry
This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.
Thermophysical properties of hydrocarbon refrigerants
Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.
Thermophysical properties of HFC refrigerants
Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.
Thermophysical properties of HFO refrigerants
Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.
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...
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...
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...
Events
4 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...
27th IIR International Congress of Refrigeration
August 21, 2027 - August 27, 2027
Seoul, Republic of Korea
Save the date! The International Congress of Refrigeration (ICR) is a leading global event in the field of refrigeration, organised by the International Institute of Refrigeration...
11th IIR Conference on Solid-State Cooling, Heating and Energy Harvesting
June 07, 2026 - June 11, 2026
Ljubljana, Slovenia
Submit your abstract now! The 11th IIR Conference on Solid-State Cooling, Heating and Energy Harvesting (Thermag 2026), to be...
