R134A (1,1,1,2-tetrafluoroethane) has been the standard refrigerant for automotive air conditioning systems and numerous refrigeration systems for years. As a proven alternative to ozone-depleting R12, it offers excellent thermodynamic properties and high operational safety.

Where is R134A used?

R134A is widely used in refrigeration and air conditioning technology. In vehicle air conditioning systems, it ensures reliable temperature control, especially in vehicles produced before 2017. Commercial refrigeration systems such as supermarket refrigerated display cases or transport refrigeration also rely on the proven properties of R134A. It is also still used in stationary air conditioning systems and some heat pumps.

The refrigerant is characterized by its non-flammability and lack of explosive properties. It is colorless, almost odorless, and can be easily liquefied by pressure. However, with a GWP value of 1,430, it has a high global warming potential, which is why its use is increasingly regulated.

Legal Situation and Availability

Since 2017, new vehicles in the EU are no longer allowed to be equipped with R134A. However, its use remains permitted for servicing and maintenance of existing systems. The EU F-Gas Regulation is leading to a gradual reduction in available quantities, which has caused prices to rise significantly in recent years.

Despite these developments, R134A is still available for service purposes. However, from 2032, the use of virgin R134A for maintenance will be restricted – only recycled or reclaimed refrigerants will then be permitted.

Professional Filling and Service

The filling of an air conditioning system with R134A should always be carried out by trained specialists. The process includes pressure testing the system, properly extracting the old refrigerant, evacuating to remove moisture, and finally filling with the correct amount.

The use of the correct compressor oil is also important. While R134A is predominantly used with PAG oils, these are hygroscopic and absorb moisture from the environment. The correct viscosity class must be observed.

Why R134A from Voll-Gas?

At Voll-Gas, you receive only original quality, without grey imports or diluted products. We guarantee reliable availability even during market shortages and offer expert advice on product selection. With our free shipping and fast delivery, we stand by you as a reliable partner.

Our R134A complies with all applicable quality standards and is delivered with complete documentation. This ensures that you receive a product that meets the highest demands.

Note: R134A is subject to the F-Gas Regulation. Purchase and use are only permitted with a corresponding certificate of competence.

Frequently Asked Questions about "R134A" Refrigerant

Can I mix R134A with other refrigerants?

No, R134A must never be mixed with other refrigerants like R1234yf. This can lead to severe system damage and safety risks. The connection couplers are designed differently for good reason.

What alternatives are there to R134A?

For new systems, R407C, R410A, or R32 are mainly used, depending on the application. In vehicle technology, R1234yf has largely replaced R134A. However, a direct conversion of existing R134A systems is usually not possible or advisable.

How do I know if my vehicle uses R134A?

Look under the hood – you will find an identification plate there with the refrigerant used. Vehicles manufactured before 2017 generally use R134A; newer vehicles mostly use R1234yf.

Why are R134A prices so high?

The EU regulation artificially limits import quantities, which has led to shortages and corresponding price increases. In some cases, prices have risen by up to 400 percent.