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Modeling and thermal performance evaluation of a switchable triple glazing exhaust air window.
Heating/Cooling Fresh Air Using Hot/Cold Exhaust Air of Heating, Ventilating, and Air Conditioning Systems
Performance analysis of an open cycled AHP for recovery waste heat from sludge drying exhaust air.
Performance analysis of a mini exhaust air heat pump integrated into a low energy detached house: experimental on-site performance.
IIR document
Compact exhaust air/supply air heat pump with recirculation and energy recovery in renovated multi-storey-buildings.
Manifolding laboratory exhaust systems.
Simulation of exhaust gas heat recovery from a spray dryer.
Development of a gas driven zeolite-water adsorption heat pump for multi-family homes.
Development of a high temperature water heat pump in vent-less dishwasher application.
Numerical study of the effect of air terminal layouts on the performance of stratum ventilation system.
Energy saving and indoor thermal comfort evaluation using a novel local exhaust ventilation system for office rooms.
A liquid sorption cycle as enabler for energy efficient spray drying.
Recommended by the IIR
Absorption cooling for data centers powered by solid oxide fuel cell waste heat.
Comprehensive experimental evaluation of an exhaust-heat-driven absorption refrigeration cycle system using NH3-NaSCN as working pair.
Experimental study on performance of a biogas engine driven air source heat pump system powered by renewable landfill gas.
Refrigeration sector monitoring
28 results
Waste heat recovery to eliminate the novel coronavirus in HVAC systems
A recent study proposes a technique for eliminating SARS-CoV-2 from cleanroom HVAC systems using the recovered heat of exhaust air. The modified system could be easily implemented in...
ASHRAE Technology Awards: winning project features green design
The ASHRAE Technology Awards recognize outstanding achievements by members who have successfully applied innovative building design in the areas of occupant comfort, indoor air quality (IAQ) and energy conservation. The designs incorporate ASHRAE...
Out of ordinary: Skiing under a hot desert sun
What has been referred to as one of the "biggest refrigerators in the world", Dubai's indoor winter sports centre, designed by Acer Snowmech Consultants, spans 170 000 m3, defying nature and a stifling hot desert sun. In order to create an ideal...
Natural refrigerants in emerging countries: GTZ
Within the International Climate Initiative, the Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) is implementing a project aiming to introduce R290 (propane) room air-conditioning systems in China in order to replace HCFC-22. Endowed...
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...
Nestlé Japan’s Himeji factory’s natural gas cogeneration system
Nestlé Japan's Himeji factory's natural gas cogeneration system has won the 9th New Energy Award in recognition of its high degree of innovation. The Himeji plant is used to produce soluble coffee cryogenically and has high energy efficiency (92%,...
R&D
The US Department of Energy's National Renewable Energy Laboratory (NREL) has developed a new air-conditioning system combining membranes, evaporative coolers and desiccants into a single device with the objective to suit to all climates,...
Latest news on the regulation of flammable refrigerants
Because many alternative low-GWP refrigerants are flammable, the evolution of the regulation governing these refrigerants is an issue that gives rise to many debates and initiatives.
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...
Heat pump market in Finland
According to the Finnish Heat Pump Association SULPU, 60 000 heat pumps were sold last year. In 2015, Finns invested approximately 350 million Euros in heat pumps, out of their own pockets.
Growth in the world heat pump market
The world heat pump market increased 7.2% by volume in 2013 to almost 2 million units.
Refrigerated transport: innovations and challenges for sustainability
Review of the most promising technologies for refrigerated transport: vapour compression systems with natural refrigerants, photovoltaic systems with electrical energy storage,...
European heat pump market by energy source
Air remains the dominant energy source. Nearly all air source heat pumps are now reversible, being able to provide heating and cooling.
The European heat pump industry : a provider of local labour
The total number of employees in the European heat pump industry is estimated 48 073 persons, approximately 36% of these being active in heat pump manufacturing.
Daimler decides not to switch to R1234yf
After having examined real-life scenarios conducted using R1234yf, Daimler, the manufacturer of Mercedes-Benz cars, has announced its intention to stick to R134a instead of implementing R1234yf in its automobile air-conditioning systems.
IIR news
8 results
The IIR publishes two new IIR Informatory Notes on Energy Recovery!
The International Institute of Refrigeration (IIR) has just published two new Informatory Notes on energy recovery: one on Energy Recovery in Mechanical Ventilation Systems and the other one on Air-to-Air Energy...
Two new IIR Informatory Notes on Energy Recovery!
The IIR has just published two new Informatory Notes on energy recovery: one on Energy Recovery in Mechanical Ventilation Systems and the other one on Air-to-Air Energy Recovery Equipment.
Highlights from the 46th Montreal Protocol OEWG: Addressing Ozone Depletion and Climate Change Challenges
The 46th meeting of the Open-ended Working Group (OEWG) of the Parties to the Montreal Protocol took place in Montreal from 8 to 12 July 2024. The IIR took part of the event.
Proposal for technical and financial collaboration: Census of cold production equipment in the industrial and tertiary sectors in France (in French)
As part of its activities in industrial and commercial refrigeration, the EDF R&D TREE department is planning to carry out a study on the French stock of installed refrigeration equipment.
26th International Congress of Refrigeration: A Remarkable Success
The 26th International Congress of Refrigeration (ICR), held on August 21-25, 2023, left an indelible mark on the world of refrigeration, serving as a resounding success with the active participation...
Discover the Encyclopedia of Refrigeration
The IIR is proud to present the newest addition to its portfolio of scientific information products; the Encyclopedia of Refrigeration.
IIR website: consult our courses!
The “Services and expertises” section of the IIR website includes a section on courses and training. The courses are among the most downloaded documents in 2022!
New IIR Informatory Note on Renewable Energy
The latest IIR Informatory Note stresses that renewable energy sources can be considered practically inexhaustible and are currently the only solution for an ecological transition to clean...
Encyclopedia of Refrigeration
1 result
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...
