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Benefits of UV in cold room storage.

• Author(s) : JACQUES G.
• Publication date: 2014/01
• Languages : English
• Keywords : Food, Safety, Contamination, Cold room, Ultraviolet, Cold storage
• Source: Cold Chain - vol. 27 - n. 6
• Formats : PDF

IIR document

Air infiltration into walk-in cold rooms through doors.

• Author(s) : CLELAND D. J., EAST A. R., JEFFERY P. B.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Tightness, Cold room, Measurement, Air curtain, Air
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Control optimization for cold-room (walk-in) refrigeration units.

• Author(s) : MORENO P., ALBETS-CHICO X., ZSEMBINSZKI G., GRACIA A. de, MALDONADO J. M., CABEZA L. F.
• Publication date: 2020/11/11
• Languages : English
• Keywords : Cold room, Control (automatic), Defrosting, Optimization, Energy saving, Simulation
• Source: X Congreso Ibérico y VIII Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2020.
• Formats : PDF

Model-based estimation of cold room temperatures in a supermarket refrigeration system.

• Author(s) : O'NEILL Z., NARAYANAN S.
• Publication date: 2014/12
• Languages : English
• Keywords : Cold room, Temperature, Supermarket, Prediction, Model
• Source: Applied Thermal Engineering - vol. 73 - n. 1

IIR document

Off-grid cold room with latent thermal.

• Author(s) : SLAVIERO G., TRAVERSO D., TRAVERSO F., NORO M., ZILIO C., MANCIN S.
• Publication date: 2024/05/31
• Languages : English
• Keywords : Cold room, Thermal energy storage, PCM, CO2 emission, Insulated container, Developing country, Photovoltaic panel, Modelling, Cold chain, Food application
• Source: 14^th IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings:  Paris France, May 29-31, 2024.
• Formats : PDF

Recommended by the IIR / IIR document

Experimental characterization of demand response in a refrigerated cold room.

• Author(s) : AKERMA M., HOANG H. M., LEDUCQ D., DELAHAYE A.
• Publication date: 2020/05
• Languages : English
• Keywords : Cold room, Energy consumption, Expérimentation, Thermal inertia, Frozen food, Cold chain, Cooling load, Temperature variation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 113
• Formats : PDF

CFD analysis of dairy cold room: a case study.

• Author(s) : ADHIKARY P., PRAKASH D., SAHA S.
• Publication date: 2018/07/27
• Languages : English
• Keywords : Cold room, CFD, Milk, Ventilation, Temperature, Air flow, Simulation, Dairy product, India
• Source: Proceedings of the International Conference on Emerging Technologies for Sustainable and Intelligent HVAC&R Systems, Kolkata, July 27-28 2018.
• Formats : PDF

IIR document

Control optimization for cold-room (walk-in) refrigeration units.

• Author(s) : MORENO P., ALBETS-CHICO X., ZSEMBINSZKI G., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Food industry, Cold room, Control (automatic), Prediction, Optimization, Modelling, Testing, Energy saving, Defrosting, Freezer
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Recommended by the IIR / IIR document

WALK-IN COLD ROOMS, A PRACTITIONER'S TECHNICAL GUIDE - Design and Operation of Walk-In Cold Rooms for Precooling and Storage of Fresh Produce in Hot Climates, in Off-Grid and Unreliable Grid Situations.

• Publication date: 2023/12
• Languages : English
• Keywords : Cold room, Cold storage, Cold chain, Solar cooling, Feeding, Freezing, Refrigeration, Developing country, Hot climate, Recommendation, Design
• Formats : PDF

Recommended by the IIR / IIR document

Cold room control, efficiency and analysis based on IoT connected cloud services.

• Author(s) : ALBETS-CHICO X., MORENO P., ROVIRA R., PALOMINO X., GONZALEZ M. A.
• Publication date: 2020/08/26
• Languages : English
• Keywords : Cold room, Supermarket, Energy efficiency, Internet of Things, Database, Programming, Information technology, Traceability
• Source: 6^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Nantes, France, August 26-28 2020
• Formats : PDF

IIR document

Experimental analysis on a novel air heat exchanger containing PCM (Phase Change Material) in a cold room.

• Author(s) : COPERTARO B., FIORETTI R., PRINCIPI P.
• Publication date: 2016/05/18
• Languages : English
• Keywords : Cold room, Performance, PCM, Expérimentation, Energy saving, Heat exchanger
• Source: 11^th IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings: Karlsruhe, Germany, May 18-20, 2016.
• Formats : PDF

IIR document

Comparative experimental study of low GWP alternative for R134a in a walk-in cold room.

• Author(s) : KABEEL A. E., KHALIL A., BASSUONI M. M., et al.
• Publication date: 2016/09
• Languages : English
• Keywords : R134a, Energy consumption, Comparison, Cold room, Low GWP, Substitute, Expérimentation, Refrigerant
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 69
• Formats : PDF

IIR document

3D and transient numerical modeling of door opening and closing processes and its influence on thermal performance of cold rooms.

• Author(s) : CARNEIRO R., GASPAR P. D., SILVA P. D.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Thermal analysis, Opening, Energy consumption, Cold room, Simulation, Door, Cold storage
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Application of demand response in cold room: evaluation of energy performance using different modelling approaches.

• Author(s) : AKERMA M., HOANG H. M., ABDALLAH R. ben, et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Energy consumption, Comparison, Cold room, Temperature, Control (automatic), Modelling, Expérimentation, Energy efficiency
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

3D and transient numerical modelling of door opening and closing processes and its influence on thermal performance of cold rooms

• Author(s) : CARNEIRO R., GASPAR P. D., SILVA P. D.
• Publication date: 2017/02/25
• Languages : English
• Keywords : Opening, Cold room, CFD, Temperature, Prediction, Door, Performance
• Source: Applied Thermal Engineering - vol. 113

India: solar-powered micro cold rooms

Solar-powered micro cold rooms using phase-change materials could be a solution for small farmers in India.

• Publication date : 2017/08/25
• Subjects: Developing country

ColdHubs: Revolutionising Nigerian agriculture with solar-powered cold rooms and empowering farmers

ColdHubs, founded by Nnaemeka Ikegwuonu, provides walk-in solar-powered cold rooms to combat post-harvest crop spoilage among small-scale farmers in Nigeria through Cooling-as-a-Service (CaaS). Their latest...

• Publication date : 2024/05/30

Booming cold storage industry in Brazil

The total capacity of Brazilian public refrigerated warehouses (PRW), which was less than 100,000 m3 in 1970 exceeds 4 million m3. The main reason of this boom is rapid growth of the agribusiness sector. Brazil has the world's largest commercial...

• Publication date : 2008/07/11

China cold chain industry expected to boom

With the sustained economic development, fast increase in demand for food, drugs and cosmetics, cold chain logistics industry in China will undergo a rapid growth.

• Publication date : 2016/08/07
• Subjects: Figures, economy

ICCC2020 highlights: Benefits of IoT technologies for cold chain management

Internet of Things and cloud services are promising solutions for smart management and maintenance of the multiple cold rooms of supermarket chains.

• Publication date : 2020/10/22

Impact of failures on the performance of refrigeration systems 

An Australian study assesses the impact of failures of different refrigeration systems on their performance. Various air conditioning systems, refrigerated display cabinets and walk-in cold rooms were put to the...

• Publication date : 2022/12/12

Brief: WHO

WHO has donated three walk-in vaccine storage cold rooms worth 1.5 million birr (over 140 000 €) to Ethiopia. Two of the 30 m3 cold rooms were installed in Addis Ababa and the other in Mekele. They will be used to store USD 5 million worth of...

• Publication date : 2005/10/26

Briefs: Sustainable fishery in Namibia

Since November 2009, Hangana Seafood has a new pre-sorting facility in Walvis Bay harbour, Namibia, which uses ammonia as a refrigerant. The 2800 m² sorting facility has a 0°C chill room for holding unsorted fish, two 16°C temperature-controlled...

• Publication date : 2011/02/04

CO2 applications: First commercial CO2 system in Latin America

Last April Verdemar supermarket chain inaugurated its fifth store in the suburb of Jardim Canada, Nova Lima -Minas Gerais, Brazil. It is the first Latin American supermarket that uses carbon dioxide as a refrigerant. Its Skyrack Breeze, developed...

• Publication date : 2011/02/07

Reducing post-harvest food losses in sub-Saharan Africa 

To strengthen the cold chain for fruit and vegetables in sub-Saharan Africa, sustainable measures and the use of precooling are recommended in a review article. 

• Publication date : 2022/12/15
• Subjects: Developing country

Berry efficient chilling

The storage and transport of berries has come a long way since they were transported by an iced horse cart in 1843. Today, growers in the Pajaro Valley from the Berry Bowl label are breaking in a brand new USD 2 million state-of-the-art flash...

• Publication date : 2005/09/30

Cold temperatures, a potential ally against cancer

Exposure to cold temperatures can reduce tumour growth by slowing down the glucose metabolism of cancer cells. 

• Publication date : 2022/09/28
• Subjects: Technology

Briefs: Losing weight thanks to cooling?

Could cold temperatures become a way to lose weight? Three recent studies underline the role of brown adipose tissue (BAT) in burning fat to produce heat and regulate body temperature. Human adults were previously thought to be lacking BAT. All...

• Publication date : 2009/08/13

Briefs: cryogenic labels

In order to identify specimens for forensic investigations, medical research or blood, plasma and semen donations, reliable identification is vital. Labels used for deep-frozen material need to be durable and legible and must remain where they are...

• Publication date : 2008/10/25

Climate control for your desk

We are used to taking command of our personal climate in planes and cars by using simple controls. Why not in buildings too? A study of the effect of installing individual air-conditioning vents at office desks, and putting controls at each...

• Publication date : 2010/03/07

A new technical guide on cold rooms

On the occasion of COP 28, the IIR and Efficiency for Access, with the contribution of ESMAP, have published a new guide. It aims to provide accessible and practical guidance to enable developers, owners,...

• Publication date : 2023/11/28

Walk-In Cold Rooms: A Practitioner’s Technical Guide

In many developing countries, agriculture is crucial to livelihoods, and developing the cold chain from field to table can boost incomes and stimulate economic growth. Cold stores are an essential link in the...

• Publication date : 2024/01/24
• Subjects: General information

Walk-in cold rooms: webinar replay and slides now available

Thank you for taking part in our second webinar! You can now download the slides and watch the replay on the IIR YouTube channel. Furthermore, the overview guide is also available in...

• Publication date : 2024/06/26
• Subjects: Technology, Developing country, Environment, General information

Join our second Webinar on Walk-In Cold Rooms on June 11!

Book your seat! Register to the second webinar in our '"Cool Insights" series highlighting the use of walk-in cold rooms for precooling and storage of fresh produce in the Global South. 

• Publication date : 2024/05/28
• Subjects: Technology, Developing country, Environment, General information

IIR website: most downloaded publications in 2023

Discover the three most popular IIR publications of 2023. The focus is on the carbon footprint of the cold chain and cold rooms! 

• Publication date : 2024/02/27

Member news : Danfoss launches thermostatic expansion valve for CO2

Danfoss has recently launched a thermostatic expansion valve for CO2, based on its TE2 valve. It is suitable for small to medium size remote refrigeration systems such as cold rooms and display...

• Publication date : 2022/10/27

IIR Working Party on “Energy Labelling in the Cold Chain”

The Terms of Reference of the new IIR Working Party (WP) "Energy labelling in the cold chain" have been approved. The main objective of this WP - chaired by Prof. Giovanni Cortella, Italy, and involving Commissions D1 and D2 - is to investigate...

• Publication date : 2008/05/16

SophiA project: HKA Lab test progress

SophiA HKA (Karlsruhe University of Applied Sciences) Lab test is intended to provide a better understanding of the cooling system in in different climate zones.

• Publication date : 2023/10/27

Technical visit to the Tokyo fish market (in French)

During the ICCC conference last June, participants were offered technical visits, including a tour of the Tokyo Fish Market. Alain Le Bail, President of the IIR Commission C2, chose to visit it. Discover his...

• Publication date : 2024/11/15

Member news: Mirai Intex ultra-low temperature refrigeration system at the ACHEMA trade show in Germany

Mirai Intex, corporate member of the IIR, will present its MC 15 C/W/T closed-cycle refrigeration machine at the ACHEMA trade show in August 2022 in Germany.

• Publication date : 2022/08/16
• Subjects: Technology

Upcoming cutting-edge IIR events for 2016

IIR conference activities in 2016 show a promising choice of events covering cutting-edge refrigeration themes from refrigerants to energy issues.

• Publication date : 2016/05/25

Sign-up to workshop at ICCC 2022: Clean and efficient refrigeration solutions for food and healthcare

Join the free online workshop on April 13 which will present the ongoing projects in developing countries that will help promote the adoption of climate-friendly refrigeration technologies.

• Publication date : 2022/03/07
• Subjects: Developing country, Environment

IIR conference activities in 2016 show a promising choice of events

IIR conference activities in 2016 show a promising choice of events covering cutting edge refrigeration themes from refrigerants to energy issues; from cold chain sustainability to new refrigeration technologies.

• Publication date : 2016/03/02

Check out the upcoming cutting edge IIR events for 2016

IIR conference activities in 2016 show a promising choice of events.

• Publication date : 2015/12/16

The “Projects on clean and efficient refrigeration solutions for food and healthcare sectors in developing countries” workshop at ICCC 2022

An IIR workshop which has gathered the current projects in developing countries that will help to raise awareness among the industry, farmers, policymakers, and consumers… on the importance of adopting a...

• Publication date : 2022/04/29

Hydrocarbon refrigerants

Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

• Last update : 2022/06/22
• Langues : French, English
• Themes : Hydrocarbons, Containment, refrigerant charge reduction

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...

• Last update : 2023/01/16
• Langues : French, English
• Themes : Fruit, Vegetables

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...

• Last update : 2023/11/07
• Langues : French, English
• Themes : Freezing of foodstuffs

For IIR members only

Global cold storage capacity

This table presents the cold storage capacity in about 50 countries, based on data from the Global Cold Chain Alliance (GCCA).

• Last update : 2021/12/06
• Langues : English
• Themes : Refrigerated storage: economics and statistics

Global HFC emissions from the refrigeration sector

This table shows HFC emissions from the refrigeration sector – including air conditioning – in million tonnes of CO2 equivalent for about 40 countries that are signatories...

• Last update : 2022/01/20
• Langues : English
• Themes : General information on environment (climate change, ozone depletion…)

Cryogenics in the pharmaceutical industry: drug design and bioavailability improvement

Research activities in the pharmaceutical sector focus primarily on developing novel drug formulations which can elicit the desired response upon being administered to the patient...

• Last update : 2023/03/10
• Langues : French, English
• Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: general information