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IIR document
Comparing integrating configurations of latent heat storage in heat pump heating systems.
Efficiency of heat pump systems with integrated latent heat storage.
New concept for magnetocaloric heat pumps based on thermal diodes and latent heat transfer.
TBAB hydrate slurry based latent heat thermal storage system.
Thermally activated structures using latent heat storage technique.
Recommended by the IIR / IIR document
Heat pump with integrated latent heat storage for flexible heat supply to buildings.
Latent heat storage with polyethylene enhanced with aluminum stripes.
Cooling-rankine absorption cycles. 3: multi-effect working/cooling cycles-latent heat supply case.
Sensible and latent heat recovery system for drying process using heat-pump and desiccant.
Experimental comparison of different composite latent heat storage devices with spatially non-constant heat loads.
Twophase loop thermosiphon coupled with latent heat storage for electronics cooling.
Techno-economic heat transfer optimization of large scale latent heat energy storage systems in solar thermal power plants.
Performance analysis of a solar air heating system with latent heat storage in a lightweight building.
Integration of a latent heat storage in VRF systems for heating and cooling with enhanced flexibility and efficiency.
A novel heat pumping cycle in a rotation heat pump for latent process heat supply using sensible heat sources.
Refrigeration sector monitoring
28 results
PCM2016 conference: TBAB hydrate slurry based latent heat thermal storage system
Combining latent heat thermal storage with night time generation of TBAB hydrate slurry can significantly reduce the investment cost of systems for cooling purposes.
Latest IPCC report predicts an increased risk of heatwaves
The IPCC report published in February 2022 highlights several risks posed by rising temperatures, such as increased heat waves and greater energy demand for space...
AHRI releases latest US heating and cooling equipment shipment data
AHRI provides monthly data on heating and cooling equipment shipped by US manufacturers in the US market.
Heat exchanger design can improve the performance of PCMs
According to a recent review article, optimising the design of heat exchangers in latent heat thermal energy storage systems (LHTES) is one way of improving the thermal conductivity of phase change materials...
PCMs to reduce energy consumption in buildings
A recent review article describes the principles of latent heat thermal energy storage systems using phase change materials (PCMs), and their applications to improve thermal performance in the building...
Ice storage
Ice storage is not only beneficial in economic terms, it is also energy-saving, noise-free and helps extend the life of the systems. It consists in keeping a certain amount of ice, as a way of storing "cold", in order to use it later. It was...
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...
Innovative thermal energy storage system for cold stores in Mexico
The Mexican cold storage company Red de Frios reduced its energy consumption by 20% using PCM-based thermal energy storage.
ICR2019: overview of current refrigeration research topics (part IV)
Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.
PCM2016 highlights: The supercooled water method: a promising technique for ice slurry generation
The following summary refers to a paper presented during the 11th Phase-Change Materials and Slurries for Refrigeration and Air Conditioning (PCM2016) IIR conference which took place on May 18-20 in Karlsruhe, Germany. This paper can be downloaded...
Coal mine ice-cooling
IDE Technologie’s vacuum ice maker (VIM) technology produces portable ice slurry, which is easily transferrable and pumpable. Using ice instead of water cuts water consumption by 75% and reduces the environmental impact of the mine.
Benefits of thermal energy storage
The use of thermal storage, coupled to a refrigeration unit, allows the user to reduce the cooling capacity of installed units, to lower operating costs and electric bills, to increase plant reliability and to provide an effective solution for...
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...
GL2012 highlights: technologies needed in order to raise uptake of natural refrigerants
Prof. Pega Hrnjak presented technologies that could advance the position of major natural refrigerants at the 2012 Gustav Lorentzen Conference on Natural Refrigerants. He claims that hydrocarbons, ammonia and CO2 could become strong contenders for...
Liquid desiccant AC system cuts ice rink energy bill
Thanks to a liquid-desiccant air-conditioning system and the use of renewable energy sources, Pines Ice Arena in Pembroke, Florida, claims to have achieved 55% electricity savings, as well as a 35% reduction in natural gas consumption and a...
IIR news
7 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...
New IIR Informatory Note on thermal energy storage systems
IIR’s latest Informatory Note demonstrates that a well-designed TES system can reduce energy consumption through more efficient equipment operation and lower investment costs, thus reducing the equipment...
First meeting of the IIR Working Group on Dehumidification in Air Conditioning
The IIR Commission E1 Working Group (WG) on “Dehumidification in Air Conditioning”, chaired by Baolong Wang and Xu Zhang, held its first meeting during the IIR-co-sponsored Purdue conferences on July 9, 2018.
Now available: ICR2015 congress papers
Following on from the successful IIR International Congress of Refrigeration (ICR2015), the long anticipated papers and proceedings are now available to download in Fridoc.
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.
Add the latest refrigeration publications to your bookshelf!
Check out the latest IIR publications including CO2 as a Refrigerant, Handbook on Indirect Refrigeration and Heat Pump Systems and the 1st IIR International Conference of Cryogenics and Refrigeration Technology (ICCRT 2016).
Invitation to join the IIR working group: Solid-state cooling and heating
Established last year, this latest IIR working group aims to promote international research collaboration to provide energy efficient and environmentally friendly solutions for a variety of solid-state...
Encyclopedia of Refrigeration
3 results
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...
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...
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...
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...
