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IIR document
Energy recovery from furnace off-gas: analysis of an integrated energy recovery system by means of dynamic simulation.
Recommended by the IIR / IIR document
Energy recovery in mechanical ventilation systems, 43rd Informatory Note on Refrigeration Technologies.
Recovery of waste thermal energy in U.S. residential appliances.
Demand controlled heat recovery for residential applications.
Waste heat recovery from urban electrical cable tunnels.
Thermosiphon loop thermal collector for low-temperature waste heat recovery.
Heat recovery of the refrigeration system in the ice arena.
Stabler R-1233zd(E) for energy recovery applications.
Evaluation of heat recovery performance in a CO2 ice rink.
Solar heat recovery system using CO2 as working fluid.
System analysis on a thermal transistor for heat recovery.
Zpetné získávání tepla v oblasti prípravy teplé vody.
Heat recovery in the field of hot water preparation.
Variable air volume system heat recovery economizer.
Heat pump heat recovery options for food industry dryers.
Simulation of the heat recovery use of R744 systems in a supermarket.
Refrigeration sector monitoring
510 results
Useful site: Refrigerant recovery
Refrigerant recovery: frequently asked questions. Answers to questions such as "Is ozone depletion a real problem?" and "Why do we care if the ozone layer depletes?" are given on Bacharach's Web site:
Smallest refrigerant recovery machine
Promax claims it has launched the world’s smallest refrigerant recovery machine, RG3000, said to be half the size of the company’s previous unit, with dimensions similar to those of a loaf of bread and weighing 8kg. It also features a new...
Briefs: Fridge Recovery in Australia
A programme consisting in the free recovery of obsolete refrigerators has been running for some months in and around Sydney. The "beer fridge" is considered as much an Aussie institution as rotary clothes lines and barbecues, and according to the...
2011 worldwide industrial gas market: recovery on hold
Growth of the worldwide industrial gas industry in 2010 continued into 2011, but at a decreased rate.
The Air conditioning and Refrigeration Institute (ARI) issued a white paper on Energy Recovery Ventilation (ERV).
The white paper, entitled "Characterizing the efficiency of energy recovery ventilation and informing the design of HVAC systems", supplements the ARI guideline V: "Calculating the Efficiency of Energy Recovery Ventilation and its Effect on...
LNG cold energy recovery for salmon aquaculture
A team of Korean researchersis proposing a novel application of LNG cold energy recovery for aquaculture.
A bill for HFC recovery in Japan
A bill submitted in January 2019 has just been approved by the Japanese government. It encourages HFC recovery.
Single-fuel LNG ferries with waste heat recovery systems
A Dutch ferry operator has recently commissioned two new ships with single-fuel LNG engines. The ships are also equipped with a waste heat recovery system to generate electricity.
Worldwide refrigerant recycling and recovery
A recent AHRI report reviews and evaluates refrigerant management and recycling programs in seven primary jurisdictions: Australia, Canada, California, the European Union, Japan, the UK and the United States.
Potential impact of dichloromethane on the ozone layer recovery
In a study published in Nature Communications, Ryan Hossaini and a team of researchers consider the impact of dichloromethane (CH2CL2) on the ozone layer.
Mobile CO2 refrigeration system using a new energy recovery compressor
The US Army is investing USD 1 million to build and test a mobile refrigeration system demonstration prototype using a new energy recovery compressor that utilizes CO2 as a refrigerant.
Road to COP28. Energy efficiency and recovery of refrigerants
“Sustainability must refer to energy efficiency and circularity”, says Dr Laura Fedele, IIR expert.
Quantifying ozone recovery: new scientific study confirms Montreal Protocol’s success in reducing Antarctic ozone depletion
Through rigorous statistical detection of the temporal and spatial structure of Antarctic ozone recovery, a study published in Nature in March 2025 confirms that ozone recovery is due primarily to the reduction...
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...
UK: a dual purpose heat pump chiller with heat recovery
A Salisbury District Hospital’s unit has recently been equipped with an innovative high efficiency heat pump chiller.
IIR news
194 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.
Commission E2: at the forefront of heat pumps and energy recovery
Activities of the IIR’s Commission E2 “Heat Pumps, Energy Recovery”
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...
Presentation of IIR Commission E2 activities by Per Lundqvist, President of Commission E2
Member news: GEA implements an innovative high-temperature heat pump at a Tiense Suiker production site
GEA has developed a high-temperature industrial heat pump utilising heat recovery, with reduced emissions.
IIR member news: Angelantoni Group
“COLD ENERGY” is an innovative solution to improve energy efficiency both for old and new compression refrigeration systems by transferring a highly efficient automotive technology to enhance energy recovery of heat exchangers.
LNG fundamentals explained in the Encyclopedia of refrigeration
The latest entry in the IIR’s online Encyclopedia of refrigeration is a thematic file presenting LNG production processes, and cold energy recovery applications.
IIR Statement at COP30
Transcript of the official IIR delegation speech delivered at COP30 in Bélem, Brazil by Graeme Maidment, President of IIR Commission E2 : Heat Pumps and Energy Recovery.
World Ozone Day 2025 - 40 Years of Global Commitment
Join the International Institute for Refrigeration (IIR) in supporting the Ozone Secretariat on World Ozone Day 2025 marking the 40th anniversary of the Vienna Convention for the Protection of the Ozone Layer....
ICR 2011 in Prague: a Resounding Success
The 23rd IIR International Congress of Refrigeration held in Prague, on August 21-26, 2011, was highly successful...
Call for papers: 2014 International Sorption Heat Pump Conference
ISHPC 2014 extends abstract deadline until September 13, 2013
News from IIR members: Danfoss
A pleasant indoor climate and no energy costs. This is what it feels like to live in the Zero+ house - the first home in Denmark that produces more power than is actually consumed. The house supplies its own heating and electricity and generates...
News from IIR members: Mayekawa
Mayekawa has supplied 6 Pascal Air units to Fukazawa Reizo's refrigerated fish warehouse in Yaizu, Japan. The Pascal Air units were launched recently and comprise a turbo-type expander, a compressor, a primary cooler and a heat recovery heat...
IIR Corporate members: briefs
- Air Liquide's new LENOXeTM anaesthetic drug was recently presented at the European Congress of Anaesthesiology in Munich, Germany. It is due for commercial release in 12 European countries by the end of 2007. LENOXeTM is based on xenon (Xe), an...
Editorial by Didier Coulomb
The 23rd International Congress of Refrigeration (ICR2011) will take place in Prague on August 21-26, 2011. This will be the key refrigeration event in 2011 and will deal with all facets of refrigeration and refrigeration technology. Around...
Encyclopedia of Refrigeration
4 results
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...
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.
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...
Events
3 results
Sponsored event
2026 China International Heat Pump Conference
October 13, 2026 - October 17, 2026
Shanghai, China
Following the resounding success of the 2nd China Heat Pump Conference (CHPC 2024) in Shenzhen, which gathered over 850 experts and delegates from 33 countries & regions, the upcoming 3rd CHPC in 2026 is poised to further expand its global...
Find out more
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,...
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...
