R449A Air Conditioning Gas Refrigerant – 10 kg, Rechargeable Cylinder, 1/4" Connection

R449A Refrigerant – A Modern Alternative for Commercial Refrigeration Systems
R449A is a modern HFO/HFC refrigerant for commercial and industrial refrigeration technology, characterised by a significantly lower global warming potential and strong performance properties. It is used in supermarket systems, display cabinets and transport refrigeration systems, and is considered a direct successor to R404A and R507. At Voll Gas you can get R449A refrigerant in a 10 kg fill weight for safe filling and maintenance of your systems.
The correct fill quantity and a tested product are essential for reli able operation. Our products are tested, quickly available and comply with current safety standards.
Products and Fill Quantities
R449A refrigerant is designed for commercial and industrial applications requiring reliable medium- and low-temperature cooling. The 10 kg bottle with rechargeable cylinder and 1/4" connection is suitable for maintenance work on existing systems as well as new installations. The cylinder is included in the price and can be returned after use in accordance with legal requirements.
Common areas of application at a glance:



Application
Typical system
Temperature range




Supermarkets
Display cabinets, integrated systems
MT/LT


Food storage
Cold rooms, freezer storage
MT/LT


Transport refrigeration
Refrigerated vehicles, containers
MT


Retrofit
Existing R404A/R507 systems
MT/LT



For specialist companies servicing multiple systems, the 10 kg bottle is an economical choice. Only stock the quantity you need in the near term, and observe the legal storage requirements for fluorinated greenhouse gases.
What Is R449A? Properties and Uses
R449A (trade name Opteon XP40) is a four-component HFO/HFC blend of R32, R125, R1234yf and R134a. It was specifically developed as an alternative to R404A and R507 and reduces global warming potential by around 65% – from approx. 3,922 (R404A) to ~1,397. This makes R449A a more environmentally friendly choice that meets the requirements of the F-Gas Regulation (EU) 2024/573. Safety class A1 identifies it as non-flammable and non-toxic.
The refrigerant is mainly used in commercial refrigeration technology, particularly where R404A or R507 were previously used. It offers comparable performance at lower operating costs and can often be used without major system modifications. The key technical properties of R449A:

Low GWP (~1,397): Around 65% less global warming potential than R404A
No ozone depletion potential: ODP = 0, ozone-friendly
Safety class A1: Non-flammable, low toxicity
POE oil compatible: Simplifies retrofitting of R404A/R507 systems
Wide applicability: Suitable for MT and LT applications in commerce and industry

Handling requires care and a valid certification under Art. 10(1) of Regulation (EU) 573/2024. Installation and filling must be carried out exclusively by trained specialist personnel.
R449A as a Retrofit Solution for R404A and R507 Systems
R449A is specifically designed for use in existing systems previously operated with R404A or R507. Since it is compatible with POE oil, a complete oil change is often not required. Nevertheless, a professional inspection of the system is required before any retrofit to ensure that compressors, expansion valves and seals are suitable for operation with R449A.
Compatibility concerns not only the refrigerant itself but also the components used. Connections, hoses and safety valves must be checked for suitability. Some system manufacturers provide explicit approvals for R449A – check the manufacturer's documentation before starting the retrofit. Use only refrigerant that complies with EN 378 and ISO 817 standards.
Safety, Storage and Disposal of Refrigerants
R449A belongs to safety class A1 and is considered non-flammable. Nevertheless, basic safety measures must be observed when handling it. Avoid direct skin contact with liquid refrigerant and work in well-ventilated areas, as released gas can displace oxygen. The safety data sheet contains all relevant information on hazards, protective measures and first-aid measures – read it carefully before use.
The key safety instructions for working with R449A refrigerant:

Ensure ventilation: Work in well-ventilated areas or outdoors
Wear protective equipment: Use safety goggles and gloves when handling
Carry out leak checks: Check connections before and after filling
Observe pressure limits: Never exceed permitted operating pressures
Have an emergency plan ready: Know the first-aid measures for skin contact or inhalation

Store containers upright in cool, dry rooms, protected from direct sunlight and heat sources above 50°C. Keep refrigerant cylinders away from flammable materials and secure them against tipping over. Disposal is subject to legal requirements for fluorinated greenhouse gases – refrigerant must not be released into the atmosphere. Empty or partially emptied containers must be disposed of via certified disposal companies or take-back schemes.
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