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Assessing the potential of air-source heat pumps in the Canadian residential sector.
Selecting an HVAC pump.
Sélectionner une pompe pour le CVC
Riscaldamento e raffreddamento rinnovabile con pompe di calore.
Renewable heating and cooling with heat pumps.
R-32 un refrigerante per condizionatori e pompe di calore.
Refrigerant R-32 for air conditioners and heat pumps.
Réalisation exemplaires de pompes à chaleur dans le tertiaire.
Outstanding heat pump achievements in the services sector.
Réalisations exemplaires de pompes à chaleur dans le tertiaire.
Une pompe à chaleur au CO2 prometteuse.
A promising CO2 heat pump.
Pompes à chaleur transcritiques au R32 pour des applications industrielles.
R32 transcritical heat pumps for industrial applications.
IIR document
Une nouvelle approche d'optimisation de pompe à chaleur tenant compte du couplage entre les réservoirs thermiques et le cycle.
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?
Recommended by the IIR / IIR document
Heat pumps.
Field demonstration of predictive heat pump water heater control.
Performance evaluation of CO2 HPWH system.
World heat pumps and key components.
Heat Pumps – Emerging trends in the Australian Market.
Refrigeration sector monitoring
622 results
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.
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.
Heat pump sales in France
2013 Air-air Heat pumps (HPs) sales show significant increase
Sweden heat pump market situation
In Sweden, there were over 400,000 heat pumps in operation for space heating in 2014.
Belgium heat pump market situation
In Belgium, there were over 40,000 heat pumps in operation for space or water heating.
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).
The global heat pump market in 2018
After a record increase in 2017, the global heat pump market decreased by 3.3% in volume in 2018.
The Netherlands heat pump market situation
From 2010 to 2011 there was a steep rise in heat pump numbers sold.
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%.
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.
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.
European heat pump market.
According to European Heat Pump Association (EHPA), European heat pump market grew for the third consecutive year in 2015.
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...
Novel anti-frosting heat pump technology
A review article published in Energies, presents advancements of heat-source tower heat pump systems (HSTHPSs) in China, including operating principle, heat-source tower (HST) structure, heat and mass transfer...
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.
IIR news
394 results
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...
Commission E2: at the forefront of heat pumps and energy recovery
Activities of the IIR’s Commission E2 “Heat Pumps, Energy Recovery”
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.
Presentation of IIR Commission E2 activities by Per Lundqvist, President of Commission E2
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.
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!
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 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.
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.
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.
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.
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.
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...
Encyclopedia of Refrigeration
6 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...
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...
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...
Cold storage conditions for fruits and vegetables
Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs (storage temperatures, relative humidity, storage time, controlled atmosphere...
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
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...
