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Recommended by the IIR / IIR document
Natural refrigerants in Africa
Guide to natural refrigerants training in Europe 2017.
IIR document
Natural or synthetic refrigerants: Does the lubricant care?
Primena studije slucaja o prirodnim rashladnim fluidima.
Natural refrigerants study case application.
Romania: natural refrigerants user.
Full conversion to natural refrigerants - Feasible and likely to happen?
What is the best natural refrigerant and what is the best system?
Recommended by the IIR
Natural Refrigerants: Applications and Practical Guidelines.
Identifying lubricant options for natural refrigerants.
Net zero, renewables, and natural refrigerants.
Technology transfers for natural refrigerants in developing countries.
Weighing the climate mortality risk of hfcs with the flammability risk of natural refrigerants.
Prioritizing natural refrigerants in India.
Current state and market trends in technologies with natural refrigerants.
Ejector characterization for refrigeration applications with natural refrigerants.
Refrigeration sector monitoring
78 results
Increase in the use of natural refrigerants in commercial refrigeration
Propane and CO2 are increasingly equipping refrigeration systems in the commercial sector.
Natural refrigerants drove the global commercial refrigeration market in 2023
According to JARN, natural refrigerants in commercial equipment are gaining popularity, namely driving the demand for equipment renewal in Europe.
The global natural refrigerants market on the rise
The natural refrigerants market is projected to register a CAGR of 11.5% between 2015 and 2020, to reach USD 1,419.19 million in 2020 from USD 821.74 million in 2015.
Natural refrigerants power the transition to climate-friendly transport refrigeration
Refrigerated transport is essential to global food and pharmaceutical supply chains – but it’s also a hidden source of greenhouse gas emissions. As climate targets tighten and refrigerants face regulatory...
Natural refrigerants: the Indian perspective
In 2015 HCFCs and HFCs account for 90 percent of the total sales in the refrigeration and air-conditioning (RAC) sector in India, with about 10 percent accounted for by natural refrigerants.
China: a direct leap from HCFCs to natural refrigerants?
Released for public consultation in June 2015 by China’s Ministry of Environmental Protection, the First Catalogue of Recommended Substitutes for HCFCs lists 12 substitutes for HCFC refrigerants, foaming agents and detergents, ten of which are...
Current status and future trends of natural refrigerants in North and South America
Two papers presented at the IIR Gustav Lorentzen Conference perfectly illustrate the interest in natural refrigerants and the obstacles they face in the Americas.
Kelvion extends its range of natural refrigerant air coolers
To drive decarbonisation by using natural refrigerants such as CO2, ammonia or propane, Kelvion has expanded its range of industrial air cooler. Kelvion is an IIR corporate member.
Natural refrigerant training is gaining traction
Update on natural refrigerant training in Europe and Africa.
Japan: Ministry of Environment resquests subsidies for natural refrigerants.
In September, the Japanese Ministry of Environment asked for subsidies to promote natural refrigerants in commercial and industrial refrigeration for the 2019 financial year.
Growing uptake of natural refrigerants in commercial refrigeration
A recent report estimates the number of commercial refrigeration systems using R744 (CO2) or hydrocarbons in Europe and worldwide.
Global markets: natural refrigerants, refrigerated road transport and refrigerated warehousing
Marketsandmarkets and Technavio recently provided projections of the global natural refrigerants market, the global refrigerated road transportation market and the global refrigerated warehousing market for for the next years.
Ghana: New labels promote natural refrigerants along sustainable cooling initiative
The Environmental Protection Agency (EPA) in Ghana has launched new voluntary refrigerant labels to help consumers identify air conditioners and refrigerators/freezers that use R290 and R600a. The country has...
Potential of natural refrigerants in China, the case of the heat pump market.
Summary of a paper presented during the 12th IIR Gustave Lorentzen conference on Natural refrigerant, available in Fridoc.
Latest natural refrigerant market trends presented at Atmosphere Europe
According to the Shecco study, to date (2013), in Europe, there are 2881 CO2 transcritical systems installed, which is a significant increase of 116% compared to 2011.
IIR news
89 results
A new book on natural refrigerants
The English version of a book by three German authors on the applications and practical recommendations of natural refrigerants has just been published by the IIR on its website.
See you at the 16th IIR-Gustav Lorentzen Conference on Natural Refrigerants 2024
The next IIR-Gustav Lorentzen conference will take place from 11 to 14 August 2024 at the University of Maryland - College Park (Maryland), USA.
Call for abstracts now open! 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants
Prospective authors of papers are encouraged to submit 150-200 word abstracts by September 15, 2021.
ATMO Europe Conference 2022 on Natural Refrigerants Releases Final Programme
The 12th edition of the event will take place in-person in Brussels (Belgium) on November 15–16.
INDEE3 in Mumbai: Advancing Sustainable Cooling Through Collaboration, Innovation, and Natural Refrigerants
The meetings held in Mumbai, India, in mid- March 2026 were organized within the framework of the INDEE3 project, focusing on advancing sustainable cooling and heating solutions. Discussions brought...
INDEE3 Workshop in Kochi Showcases Natural Refrigerant Systems for the Seafood Industry
The INDEE3 project promotes the adoption of natural refrigerants in India while strengthening lifecycle refrigerant management practices. Through demonstration activities, knowledge transfer, and practical guidance,...
ATMOsphere MAC Summit 2024 x TU Berlin: natural refrigerants for mobile air conditioning and heat pumps
On 12 and 13 September 2024, the ATMOsphere MAC Summit 2024 was held in Berlin, co-organised with the Technical University of Berlin (TU Berlin).
Now available: IIR-Gustav Lorentzen Conference Papers 2022
Download one or all of the 170 technical papers from the 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants!
Now available: IIR-Gustav Lorentzen Conference Papers
Download your copy of the proceedings of the 14th Gustav Lorentzen Conference on Natural Refrigerants. Over 120 technical papers are available!
SophiA Final Consortium Event: The IIR’s Strong Involvement in Sustainable Refrigeration Solutions for Africa
The Final Consortium Meeting of the SophiA Project took place in Karlsruhe, Germany, on 17–18 September 2025, co-organised by the International Institute of Refrigeration (IIR) and Hochschule Karlsruhe...
Member news: Mirai Intex releases new high capacity ultra-low temperature refrigeration system
Mirai Intex, corporate member of the IIR, has released a new ultra-low temperature (ULT) system based on air-cycle technology, offering high cooling capacity.
The Mostra Convegno exhibition
In March 2018 the IIR participated in one of the biggest exhibitions on refrigeration technologies, Mostra Convegno, which took place, as always, in Milan.
March 2023: An active communication and awareness campaign for INDEE+
March 2023 was marked by a series of communication events for INDEE+, gathering all project partners and key Indian HVAC&R stakeholders in India.
Highlights from COP13/MOP36 – Day 3
The IIR concluded another successful side event on natural refrigerants at COP13/MOP36. Today's session brought together a diverse group of government representatives, industry leaders, and environmental experts...
Past events: The IIR around the world, August and September 2024
A look back at the IIR’s latest events during conferences (Gustav Lorentzen, Thermag, Compressors) and during sponsored vents (CHPC).
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...
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.
Nanorefrigerants
Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...
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...
