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Air distribution systems for fruit and vegetable products storage rooms.
[In Ukrainian. / En ukrainien.]
IIR document
Air infiltration into walk-in cold rooms through doors.
Control optimization for cold-room (walk-in) refrigeration units.
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.
Walk-in cool room and freezer research project: barriers to energy efficiency. Findings and recommendations.
Control strategies for defrost and evaporator fans operation in walk-in freezers.
Off-grid cold room with latent thermal.
Experimental characterization of demand response in a refrigerated cold room.
Temperature inhomogeneity in a cold room: An experimental investigation with and without ducts.
CFD analysis of dairy cold room: a case study.
Comparative experimental study of low GWP alternative for R134a in a walk-in cold room.
A model for predicting air permeation between temperature-fluctuated refrigerated room and ambience through magnetic seal.
3D and transient numerical modelling of door opening and closing processes and its influence on thermal performance of cold rooms
Cold room control, efficiency and analysis based on IoT connected cloud services.
Refrigeration sector monitoring
37 results
French food banks lack cold storage.
Cold storage capacities have not kept up with the trend.
India: solar-powered micro cold rooms
Solar-powered micro cold rooms using phase-change materials could be a solution for small farmers in India.
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...
India: Himachal Pradesh launched its first solar-powered cold storage
This pilot project brings clean energy to crop storage, aiming to cut losses and support small farmers.
Blueprint for a sustainable off-grid solar-powered cold room 20% cheaper than state of the art
In June 2025, Efficiency for Access published a report on constructing a sustainable solar-powered cold room using natural and locally available materials. Their design reduced embedded GHG emissions by 63% and...
New vaccine storage facility in Kenya’s Lake Victoria region ensures reliable vaccine access
The new vaccine storage on Lake Victoria is transforming access to life-saving vaccines, increasing coverage and protecting children from preventable diseases.
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.
Cooling as-a-Service in Nigeria : ColdHubs 2024 impact report
Through a Cooling-as-a-Service (CaaS) mechanism, 58 solar-powered cold rooms have helped thousands of Nigerian farmers to avoid over 13,800 kilograms of food loss in 2024.
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.
Lighting systems for cold stores
Various types of lighting exist for below 0°C temperature cold stores including mercury vapor (MV) lamps, high pressure sodium (HPS) and light-emitting diodes (LED).
How to conduct temperature mapping for vaccine storage: WHO’s latest 2024 guidelines & tool
As part of its Effective Vaccine Management (EVM) initiative, WHO developed a temperature mapping tool and an accompanying user guide for pharmaceutical cold chain monitoring.
A novel method for frost detection
Frost growth on the evaporator coils of a refrigeration plant can dramatically reduce its efficiency. A novel indirect detection method that would avoid frost built-up has been developed.
Frozen avocados to meet the booming global “avo craze”
Frozen avocado pieces or products represent a rising market for exporters to guarantee year-round supply of avocados, which is becoming crucial to the food service sector.
Solar-powered off-grid cooling: An innovative prototype for remote areas
An innovative solar-powered refrigerator could transform the preservation of perishable goods in areas without electricity.
How to improve the energy efficiency of cold stores in India
A report commissioned by the World Bank Group presents energy efficiency measures for the design of post-harvest and cold storage warehouses in India.
IIR news
26 results
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...
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,...
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.
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...
Technical visit to the Tokyo fish market
At the ICCC conference last June, attendees had the opportunity to participate in technical visits, including a tour of the Tokyo fish market. Alain Le Bail, President of IIR Commission C2, joined the visit and...
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.
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.
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!
Member news: latest innovations from Mirai Intex
The company Mirai Intex has just marketed a refrigeration machine using air cycle for low temperatures. Mirai Intex also markets a mobile storage solution.
Press release: Strengthening Cold Chains: UNEP and IIR Release Three Technology Briefs and Announce Webinar Series
Nairobi, 3 November 2025 — The International Institute of Refrigeration (IIR) and the United Nations Environment Programme (UNEP) OzonAction are pleased to announce the release of three new Cold Chain Technology Briefs that address...
Strengthening cold chain technologies in hot climates: IIR and UNEP lead the conversation at MOP37
Nairobi, 3 November 2025 — At the 37th Meeting of the Parties to the Montreal Protocol (MOP37), UNEP OzonAction and the International Institute of Refrigeration (IIR) hosted a dynamic side event focused on strengthening sustainable...
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...
The IIR and UNEP release a Cold Chain Technology Brief on Vaccines
The International Institute of Refrigeration (IIR) and the UN Environment Programme partnered in the development of a cold chain technology brief on vaccines dedicated to government National Ozone Officers,...
Proposal for technical and financial collaboration: Census of cold production equipment in the industrial and tertiary sectors in France (in French)
As part of its activities in industrial and commercial refrigeration, the EDF R&D TREE department is planning to carry out a study on the French stock of installed refrigeration equipment.
How to adapt in a world at 50°C? Learn more at the IMechE conference this September
On September 6-8, 2023, the Institution of Mechanical Engineers (IMechE) will host its 1st International Conference and Workshop on Climate Adaptation and Resilience in London.
Encyclopedia of Refrigeration
1 result
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...
