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Tunelgroup Cooling Systems

Blast Freezer Room: 12 Essential Design Rules for Rapid Freezing

Industrial Blast Freezer Room with palletized food products and high-capacity evaporators

Blast Freezer Room: 12 Essential Design Rules for Rapid Freezing Technical review: Hamza ILIMAN — Project CoordinatorLast updated: September 7, 2026 A Blast Freezer Room is a high-capacity insulated chamber that circulates very cold air rapidly through and around food products to remove heat within a defined freezing time. A typical preliminary design may use […]

Cold Room Load Calculation Guide: 8 Essential Refrigeration Loads

Engineer reviewing a cold room load calculation beside real TunelGroup refrigeration equipment

Mushroom Cold Storage: 12 Essential Rules for Maximum Freshness A professionally designed Mushroom Cold Storage facility slows browning, dehydration, cap opening, stem darkening and microbial deterioration after harvest. Fresh mushrooms are among the most delicate products handled in the commercial cold chain because they contain a high proportion of water, respire rapidly and bruise easily. […]

Mushroom Cold Storage: 12 Essential Rules for Maximum Freshness

Commercial Mushroom Cold Storage Facility with packaged button mushrooms and industrial refrigeration equipment

Mushroom Cold Storage: 12 Essential Rules for Maximum Freshness A professionally designed Mushroom Cold Storage facility slows browning, dehydration, cap opening, stem darkening and microbial deterioration after harvest. Fresh mushrooms are among the most delicate products handled in the commercial cold chain because they contain a high proportion of water, respire rapidly and bruise easily. […]

Onion Cold Storage: 12 Essential Storage Rules

Commercial Onion Cold Storage Facility with ventilated crates and industrial refrigeration system

Onion Cold Storage: 12 Essential Rules for Maximum Shelf Life A professionally designed Onion Cold Storage facility protects dry bulb onions against sprouting, rooting, moisture accumulation, weight loss and storage decay. However, successful onion storage begins before the refrigeration system is turned on. Unlike leafy vegetables, dry onions generally require low relative humidity and strong, […]

Banana Cold Room: 12 Essential Ripening Rules

Commercial Banana Cold Room with forced-air ripening system and green banana pallets

Banana Cold Room: 12 Essential Rules for Perfect Ripening A professionally designed Banana Cold Room protects bananas during storage, transportation preparation and controlled ripening. Unlike apples and many temperate-climate fruits, bananas cannot simply be stored at temperatures close to 0°C. Because bananas are highly sensitive to low temperatures, incorrect refrigeration can damage the fruit instead […]

Apple Cold Storage: 11 Powerful Freshness Strategies

Commercial Apple Cold Storage Room with organized fruit crates and industrial refrigeration equipment

Apple Cold Storage: 11 Powerful Strategies for Maximum Freshness Apple Cold Storage plays a critical role in preserving the firmness, flavor, color and commercial value of apples after harvest. Apples remain biologically active even after they are picked. They continue to respire, produce ethylene, lose moisture and gradually age. Without proper temperature, humidity and airflow […]

Controlled Atmosphere Cold Room: 12 Critical Systems

Controlled Atmosphere Cold Room

Controlled Atmosphere Cold Room: 12 Critical Systems for Longer Freshness A Controlled Atmosphere Cold Room is an advanced storage environment designed to control not only temperature and relative humidity but also oxygen, carbon dioxide and, when required, ethylene levels. By slowing respiration and ripening, the system can help preserve the firmness, color, texture and commercial […]

Cold Room Refrigeration Components: 14 Essential Parts

Cold room refrigeration components including compressor, condenser, evaporator, receiver and digital controller

Cold Room Refrigeration Components: 14 Essential Parts for a Reliable System Cold room refrigeration components work together to remove heat from a temperature-controlled space and maintain the conditions required for food, pharmaceuticals, agricultural products, flowers, chemicals, and other sensitive goods. A cold room refrigeration system is not simply a compressor connected to an evaporator. Its […]

Cold Room Equipment: 15 Critical Components

Cold room equipment and essential refrigeration system components

Cold Room Equipment: 15 Critical Components for an Efficient System Cold room equipment consists of all the components that work together to store products safely under controlled temperature and humidity conditions. A cold room is not simply an insulated space equipped with a cooling unit. Its performance depends on a complete system that includes insulated […]

Cold Storage Types: 14 Best Solutions and Ideal Applications

Cold Storage Types

Cold Storage Types: 14 Best Solutions and Ideal Applications Understanding Cold Storage Types is essential for businesses that need to protect product quality, extend shelf life, reduce storage losses, and maintain a reliable cold chain. Food, agriculture, pharmaceuticals, logistics, chemicals, meat, dairy products, seafood, fruits, vegetables, and many industrial products all require different storage conditions. […]