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IIR document
Trends in heat pump technology in Denmark.
Thermal design and optimization of high-temperature heat pump integrated with district heating benchmarked in Denmark for process heat supply.
Optimizing surplus heat utilization: A case study on CO2-based supermarket refrigeration cycle with district heating integration in southern Denmark
Empirical platform data analysis to investigate how heat pumps operate in real-life conditions.
Indoor air quality and thermal environment in classrooms with different ventilation systems.
Energy efficient professional counter cabinet.
Performance optimization of a large-scale ammonia heat pump in off-design conditions.
Design and optimization of the heat exchanger network for district heating ammonia heat pumps connected in series.
Integration of heating, cooling, and heat pumps in an industrial plant internally or connected to local district heating.
Operation costs for heat recovery from supermarkets to district heating grids.
Seasonal solar energy storage systems for buildings.
Results from measurements of heat pump for district heating using ambient air as heat source.
Recommended by the IIR / IIR document
Low charge detection method for supermarket refrigeration systems.
New capacity control algorithm for large systems with fixed capacity ejectors.
Simulating an evaporator field for large-scale air-source heat pumps subjected to frosting and defrosting.
Refrigeration sector monitoring
21 results
Tax on HFCs in France and Denmark
An amendment postpones the entry into force of the tax on HFCs to January 1st, 2023. In Denmark, this tax will increase.
The Danish ice cream retail market
The Danish ice cream retail market size represented 38.15 million litres in 2012, i.e. a consumption of 6.8 litres per capita.
For IIR members only
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.
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.
HFCs to be taxed in France in the near future?
In the “Roadmap for the Environmental Transition” published after the “Environmental Conference” held on September 14-15, 2012 in Paris, the French government raised the possibility of examining a potential tax on fluorinated gases used as...
Design and operation of district heating and cooling systems supplied by renewable energy sources
A report published by the European Commission analyses 8 efficient district heating and cooling systems in different Member States.
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).
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...
The European heat pump market grew another 12% in 2018
EHPA considers that the 11.8 million units of heat pumps installed across Europe in 2018 produced 128 TWh of renewable energy.
Renewable energy consumption for heating and cooling in the EU
Over one fifth of energy used for heating and cooling from renewable sources in the EU.
Europe: the proposal to review the F-Gas Regulation has been published, and the proposal to ban PFAS has been delayed.
At the beginning of April, the European Commission published a proposal to update the F-Gas Regulation . In addition, the proposed PFAS ban has been delayed for six months.
The life cycle of fluorocarbons: case studies
The Climate and Clean Air Coalition has published a guide for policymakers in which good practices regarding the life cycle of fluorocarbons are discussed. Concrete examples of refrigerant recycling in...
Two-phase ejectors: a high potential for energy savings
Two review papers recently published in the IJR highlight ejectors as a promising solution to dramatically improve the efficiency of vapour compression refrigeration systems and outline the challenges that...
Global cooling pledge progress: COP29 marks key milestones in sustainable cooling initiatives
Following COP28's Global Cooling Pledge, ministers and leaders from over 30 nations convened at COP29 to map out the path forward for sustainable cooling.
IIR news
5 results
In Memoriam: Joe Paul
Prof. Joachim (Joe) Paul, Delegate of Denmark since 2003 and President of the IIR’s Executive Committee and Management Committee since 2007, died on August 28, 2012.
Member news: Danfoss is committed to reducing food waste
The Salling Group and Danfoss are working with Microsoft to reduce food waste and energy consumption in retail refrigeration.
Editorial by Didier Coulomb
Since the beginning of the year, the Focus section of the Newsletter has dealt with environmental measures in general and measures addressing HFCs (hydrofluorocarbons) in particular that have already been adopted or are foreseen in various...
For many years, the IIR has been seeking to improve the performances of natural refrigerants in order to address the issues of ozone depletion and global warming. The Gustav Lorentzen Conferences have been consistently highly successful. The...
Focus on Refrigeration Safety: IIR re-inaugurates Working Group
The IIR Working Group now on “Refrigeration Safety” will soon be relaunched and is ready to welcome a new chairperson.
