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IIR document
Transcritical CO2 refrigeration system with economizer for small fishing vessels.
Experimental investigation of CO2 systems for Indian supermarkets with parallel configuration of multiejectors (INDEE).
A luminance-based approach for inferring personal daylight preferences using a new composite similarity index.
The NOAA annual greenhouse gas index
Upcoming natural refrigerant-driven heating and cooling systems in India.
Modelling of an onboard R290 refrigerated sea water (RSW) system for ice production on small fishing vessels in India.
Performance analysis of an active on-board refrigeration system using propane for improved fish preservation in small fishing boats.
R744 heat pump driven liquid desiccant air conditioning system for hot and humid climates.
Numerical simulation of an integrated CO2/chiller and thermal storage system for a hotel in tropical weather conditions.
Advanced R744 solution for supermarkets, hotel chillers and maritime applications in India.
Recommended by the IIR / IIR document
Study on retaining natural refrigerant in seafood processing industries in India.
Solar Energy Production in India and Commonly Used Technologies - An Overview.
Indian sea food industry: the cold chain perspective. 2.
Integrated R744 heat pump/chiller for hotel: state-of-the-art implementation.
Advantage of CO2 heat pump chiller for the application in Indian hotels.
Refrigeration sector monitoring
88 results
Kigali amendment : US industry expresses its concerns in a letter to vice-president Mike Pence.
According to The Heating Ventilation Air Conditioning and Refrigeration (HVACR) Alliance Industry, the Senate ratification of the Kigali Amendment should be one of 2017 legislative priorities for the Donald Trump administration.
Some advice for prolonging water chiller life.
Brent Hall, a temperature control specialist, gives six water treatment tips for lasting chillers performances.
Ionocaloric cooling: a new technology under development in the US
A cooling technique using liquid-to-solid phase change fcould be an alternative to vapour compression systems, according to researchers at the University of Berkeley.
Reducing food waste: can we keep open canned sardines in the refrigerator?
Researchers from the University of Porto studied the shelf life at 4°C of open canned sardines, depending on the type of seasoning (sardines in brine, vegetable oil, tomato...
Alternative mixtures for R134a
A NIST study identifies 23 non-flammable or slightly flammable mixtures as R134a alternatives in air conditioning.
Simplifying the preservation at very low temperature of tissues used in ophthalmology
Researchers have compared the effects of −28 °C (standard freezer) and −80 °C preservation on human amniotic membrane, which is commonly used in ophthalmic...
Midea launches R290 split ACs on the European market
In autumn 2021, Midea, corporate member of the IIR, began marketing R290 split air-conditioning units in Europe. Further imports are planned for early 2022.
Novel energy-saving cryogenic equipment for walnut kernel peeling
In a recent study, a prototype cryogenic equipment was designed to peel walnut kernel more efficiently than by immersion in liquid nitrogen.
R1234yf as a working fluid in Organic Rankine Cycle systems
A recent review article presented the use of HFO R1234yf and its mixtures in Organic Rankine Cycle (ORC) systems, namely in applications for waste heat recovery from internal...
LNG remains the main driver of global gas demand in 2021-2025
In a recent report, the International Energy Agency (IEA) analyses the massive decline in gas demand in 2020. The covid-19 crisis has affected gas consumption mostly due to lower electricity demand in the...
Explosion of the number of air conditioners in China
A report of the International Energy Agency gives interesting figures on air conditioning in China.
The European Commission adopts a proposal for the Europan Union to ratify the Kigali amendment.
The European Commission encourages a swift implementation of the Kigali amendment.
Toshiba offers rugby tickets for R22 survey.
Toshiba conducts market research on R22 systems within the UK and Ireland.
Increasing demand for technicians in the refrigeration sector
According to Chicago Tribune Media Services, heating, air conditioning and refrigeration (HVACR) is one of the fastest growing fields on the job market: employment of HVACR technicians is expected to grow by 28% by 2018 in the US, due to the...
Smart refrigerated display cabinet collects real-time data.
The "Fresh-Cut" refrigerated display cabinet is a "smart" piece of equipment that records and transmits real-time data on the condition of goods on-shelf.
IIR news
38 results
INDEE3 project kick-off meeting in India
In September 2025, an IIR representative attended the official kick-off meeting of a project, INDEE3 - Indo-Norwegian collaboration on sustainable cooling and heating in India. This was the start of a...
Sustainable cooling and heating in India: IIR partners in new INDEE3 project
The INDEE3 project aims to support India’s transition to low-carbon heating and cooling technologies. It promotes the use of natural refrigerants, improves refrigerant lifecycle management, and develops more...
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...
INDEE+ in ACREX
Last month, INDEE+ participated in the 23rd edition of ACREX India in Delhi, focused on the theme “Powering Global HVAC Supply Chain”.
IIR partner in INDEE+
The IIR takes part of the project INDEE+ which aims to support the Indian refrigeration and Air Conditioning sector in the transition towards more sustainable and environmentally friendly...
INDEE+ Seminar at REFCOLD 2022
The first INDEE+ seminar gathering all the project partners and key Indian stakeholders took place at REFCOLD 2022 in Ahmedabad (Gandhinagar, Gujarat, India).
Newsletter INDEE+ | September 2023
The latest news on the INDEE+ project.
INDEE+ at 23rd India International Seafood Show (2023), Kolkata, India
In February 2023, INDEE+ successfully participated to the 23rd India International Seafood Show (2023) in Kolkata. The project was jointly promoted in a technical session and at a dedicated booth.
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.
Three educational and awareness-raising events within the framework of INDEE+ project in 2021
For the INDEE+ project, the end of the year 2021 was marked by several educational events aiming to raise awareness of the application of clean cooling systems offered by the CO2/R744 refrigeration...
ICR2023: ENOUGH, INDEE+ and SophiA conference papers are now online!
Download papers presented at ICR2023.
The Norwegian Royal Ambassy visit to INDEE+ educational unit in IIT Madras
To acknowledge the efforts of INDEE+, the Norwegian Ambassador Hans Jacob Frydenlund, Arvind Gopinath (Honorary Consul), Ms. Marit Marie Strand (Advisor), Mr. Vivek (Senior Advisor) and other team members...
INDEE+: Focus on the two-day workshop “Hotel Decarbonisation using R744 Heat Pump/chiller” organised in April
A two-day workshop titled “Hotel Decarbonisation using R744 Heat Pump/chiller” was organised on 26-27 April 2024 at Antarim Resorts, Goa. The technical session was followed by a demonstration of the R744 HP/C...
INDEE+ Project: Norwegian R744 condensing units arrived in India for educational purposes
Three R744 condensing units were sent to India by Prof. Armin Hafner (NTNU, Norway) to educate Indian institutions, end-users and vendors on clean cooling technologies, with the aim of helping India meet...
The IIR website gets a makeover
After three years of existence, the home page of the IIR website has been modernised and its content made more visible. IIR projects are given a special place of honour, with detailed pages dedicated to each of...
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...
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...
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...
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...
