Modern berry processing, fruit storage and frozen food production cannot operate without reliable industrial refrigeration equipment. However, before selecting a refrigeration system, it is important to understand which refrigerant is used inside the equipment and how it affects efficiency, operating costs, food safety and the environment.
A refrigerant is the working fluid inside a refrigeration system that transfers heat and allows cooling, freezing and temperature control. Different refrigerants have different performance characteristics, energy consumption, environmental impact and fields of application.
Today, companies that work with berry storage, fruit freezing, food processing, cold rooms and industrial freezers increasingly pay attention not only to the cooling capacity of equipment, but also to the environmental impact of the refrigerant. Modern refrigeration equipment must be efficient, energy-saving, safe and compliant with international environmental regulations.
What Is a Refrigerant and Why Is It Important?
A refrigerant is a substance used in refrigeration and air-conditioning systems to absorb heat from one area and release it in another. The type of refrigerant directly affects:
- Energy efficiency of the refrigeration equipment
- Cooling and freezing performance
- Electricity consumption
- Service life of the system
- Environmental impact
- Safety of employees and production facilities
- Compliance with modern environmental standards
Choosing the wrong refrigerant can increase operating costs, reduce cooling efficiency and create additional environmental risks.
Main Types of Refrigerants Used in Industrial Refrigeration
The most common refrigerants used in modern industrial refrigeration systems are:
- CO₂ refrigerant (R744)
- Ammonia refrigerant (R717)
- Freon refrigerants (HFC and HCFC refrigerants)
Each option has its own advantages and disadvantages.
CO₂ Refrigerant (R744): Why It Is Becoming the Main Trend
CO₂ refrigerant, also known as R744, is one of the fastest-growing solutions in industrial refrigeration. It is widely used in:
- Berry and fruit cold storage facilities
- Frozen food warehouses
- Blast freezers
- Food processing plants
- Refrigerated distribution centers
- Supermarkets and commercial refrigeration systems
The transition to environmentally friendly refrigerants is a global trend. Many companies are replacing traditional freon-based refrigeration systems with CO₂ systems because of increasing environmental regulations and the need to reduce greenhouse gas emissions.
Advantages of CO₂ Refrigerant
- Very low impact on global warming
- Does not damage the ozone layer
- High energy efficiency in low- and medium-temperature applications
- Suitable for freezing chambers and cold storage rooms
- Safe for food production and storage
- Readily available and relatively inexpensive
- Helps businesses comply with international environmental requirements
Disadvantages of CO₂ Refrigerant
- Requires higher operating pressure than traditional refrigerants
- Needs specially designed refrigeration equipment
- Installation and maintenance require experienced specialists
- Initial investment may be higher than for conventional systems
Despite these challenges, CO₂ refrigeration systems often provide lower long-term operating costs due to better energy efficiency and lower environmental taxes.
Why Freon Refrigerants Are Being Replaced
For many years, freon refrigerants remained the most common cooling agents in refrigeration systems. Freons are synthetic gases with different boiling temperatures and technical characteristics, which is why they were widely used in cold rooms, freezers and industrial refrigeration plants.
However, environmental concerns have changed the market. Many freon refrigerants contribute to global warming, and some older refrigerants also damage the ozone layer. Because of this, many countries are gradually restricting or banning their use.
Problems Associated with Freon Refrigerants
- High global warming potential (GWP)
- Possible damage to the ozone layer
- Increasing environmental restrictions and taxes
- Growing cost of maintenance and refrigerant replacement
- Risk of future incompatibility with environmental regulations
Businesses that continue using outdated freon refrigeration systems may face higher operating costs and difficulties with spare parts and refrigerant supply in the future.
Ammonia Refrigerant (R717): A Powerful Solution for Industrial Refrigeration
Ammonia refrigerant, known as R717, is another popular choice for industrial refrigeration. It is widely used in large cold storage warehouses, food factories and industrial freezing systems.
Advantages of Ammonia Refrigerant
- Very high energy efficiency
- Excellent performance in large industrial facilities
- Low environmental impact
- Suitable for large refrigeration capacities
Disadvantages of Ammonia Refrigerant
- Toxic in high concentrations
- Requires strict safety measures
- Not suitable for all facilities
- Installation and maintenance are more complex
Because of these factors, ammonia systems are usually chosen for large industrial enterprises with qualified technical personnel.
How to Choose the Best Refrigerant for Your Refrigeration System
The best refrigerant depends on the type of business, required storage temperature and available budget.
CO₂ Refrigerant Is Best For:
- Berry and fruit storage
- Freezing tunnels
- Medium and low temperature refrigeration systems
- Companies that want environmentally friendly refrigeration
- Businesses planning long-term investment
Ammonia Refrigerant Is Best For:
- Large industrial refrigeration plants
- Food factories with high cooling demand
- Large warehouses and freezing systems
Freon Refrigerants May Still Be Used For:
- Older refrigeration systems
- Small facilities with existing equipment
- Temporary modernization projects
However, for new refrigeration projects, environmentally friendly refrigerants such as CO₂ and ammonia are becoming the preferred choice.
Environmental Regulations and Future of Refrigeration
The global refrigeration market is moving toward natural refrigerants. Governments and international organizations continue to strengthen environmental requirements for industrial refrigeration equipment.
Companies that invest in CO₂ refrigeration systems today receive several important benefits:
- Lower environmental impact
- Reduced risk of future restrictions
- Better energy efficiency
- Improved reputation as a sustainable business
- Lower long-term operating costs
Conclusion
Choosing the right refrigerant is one of the most important decisions when designing or upgrading an industrial refrigeration system.
CO₂ refrigerant is increasingly considered the best option for berry storage, fruit processing, freezing chambers and modern industrial refrigeration because it combines:
- High energy efficiency
- Environmental safety
- Compliance with modern regulations
- Long-term cost savings
If your business is planning a new cold storage facility, blast freezer or industrial refrigeration project, selecting the right refrigerant today will help reduce costs, improve reliability and protect the environment in the future.