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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.
Modeling and thermal performance evaluation of a switchable triple glazing exhaust air window.
Development of a gas driven zeolite-water adsorption heat pump for multi-family homes.
Heating/Cooling Fresh Air Using Hot/Cold Exhaust Air of Heating, Ventilating, and Air Conditioning Systems
Development of a high temperature water heat pump in vent-less dishwasher application.
EXHAUST AIR HEAT PUMPS IN THEORY AND PRACTICE.
Experimental investigation on the dynamic performance of an exhaust-air heat pump water heater.
Equivalent heat recovery effectiveness of exhaust air heat pumps.
Reentrainment of flue gases and building air exhaust by packaged HVAC equipment.
How much energy can be saved by heat recovery equipments from extract air?
[In Chinese. / En chinois.]
Characterization of airflows at the exit of registers using Laser Doppler Velocimetry (LDV).
Investigation of effectiveness of emergency ventilation strategies in the event of fires in road tunnels.
Common energy saving methods and control for air conditioning systems.
Refrigeration sector monitoring
55 results
Extracting cannabinoids using cryogenics
Several companies specialising in liquefied gases are developing systems operating with liquid nitrogen for cannabidiol (CBD) producers.
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...
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).
5th generation district heating and cooling networks in Europe
A recent generation of district heating and cooling networks is developing in Europe, using low temperature renewable energy heat sources (such as shallow...
UK: record sales of heat pumps in 2024
A little under 100,000 heat pumps were sold in the UK in 2024, a record in sales supported by a growing number of trained installers.
COVID-19 news in the HVAC&R sector
The IIR reviews the available information on the possible impact of air conditioning on the spread of COVID-19 and the recommendations for the operation and maintenance of HVAC systems. Furthermore, several...
France: the government recently published several documents on HFC regulations (in French)
On November 22, 2017, the French Ministry of Ecological and Solidarity-based Transition (Ministère de la Transition énergétique et solidaire) published two documents which summarise the different regulations on HFCs at different levels...
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...
Solar-powered modular facade capable of cooling and heating a building
In Germany, researchers are testing a modular solar-powered facade that includes a mini heat pump for heating and cooling, and a decentralised ventilation unit with heat...
The potential for seabed geothermal energy in the UK
An international study has shown the potential for using capillary heat exchangers for heat pumps in the shallows of the seabed, with the potential to provide heating for homes.
A refrigeration system to produce freshwater in arid areas
A team of researchers from Shanghai Jiao Tong University in China demonstrated how integrating adsorption cooling and a heat pump system can improve the productivity of an...
How to cool the nuclear reactors of the future?
Researchers at the Tokyo Institute of Technology are paving the way for cooling fusion reactors, following a historic breakthrough in nuclear fusion.
Impact of indoor heat on mortality in the elderly
A team of researchers has developed a model to assess the impact of indoor heat on the health status of populations, and more specifically on the mortality of people over 65 years of age.
First liquefied hydrogen carrier launched in Japan
In line with its commitment to pave the way for the first "Hydrogen Society", Japan intends to use this carrier to transport hydrogen from Australia, where it is produced from lignite.
Revolutionising refrigeration: design and optimisation of a rotary magnetic domestic refrigerator
The International Institute of Refrigeration is pleased to highlight a study that advances the field of solid-state refrigeration. Researchers from the University of Genoa, Italy, have developed and optimised a...
IIR news
20 results
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.
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...
The IIR and the ASHRAE establish new definitions of five keywords in the refrigeration sector
For over a year, a group of experts from the International Institute of Refrigeration (IIR) and the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) have been working together to establish common definitions of...
New IIR Informatory Note on The Role of Refrigeration in the Global Economy
In its latest Informatory Note, the IIR highlights the major and growing role of the refrigeration industry in the global economy, particularly in the areas of food, health, energy and the environment. It calls on policy makers to consider this...
The IIR releases a new Informatory Note for World Refrigeration Day
To celebrate the world’s first Refrigeration Day, the IIR has released a new IIR Informatory Note on “The Role of Refrigeration in the Global Economy”.
IIR economic news service: the latest from our market report partners
The IIR has established partnerships with several leading market research companies, as well as with establishments that combine and provide detailed reports and global analytical studies on different sectors of the refrigeration or economic...
Call to action to adopt 5 internationally established refrigeration terms!
All professionals in the field of low-temperature technologies are called and are strongly encouraged to strictly adhere to the internationally established and approved definitions, by the International...
The IIR launches a call to action to adopt 5 internationally established refrigeration terms!
IIR member subscription to the International Journal of Refrigeration just got better!
Since January 2017, not only will IIR members continue to receive the hard copy of the journal but IIR membership will now also give members access to the complete archives of the IJR online.
Press release : International Institute of Refrigeration launches new International Journal of Refrigeration online service
As of January 2017, not only will members of the International Institute of Refrigeration (IIR) continue to receive the hard copy of the International Journal of Refrigeration (IJR) but IIR membership will now also give members access to the...
Ever-expanding market research resources at your fingertips
The IIR enhances its market research resources
New IIR Informatory Note on the carbon footprint of the cold chain
The IIR has just issued a new Informatory Note on the carbon footprint of the cold chain. It highlights the food safety and environmental benefits of an improved global cold chain.
Member News: Daikin partners with Fujifilm to reduce noise from some of its ventilation/humidification units
The Japanese company Daikin will soon use a new technology to reduce noise in some of its ventilation and humidification units.
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.
Encyclopedia of Refrigeration
8 results
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.
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...
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.
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...
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...
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...
