AC refill with R1234yf (cars 2017+)

AC refill with R1234yf — for cars 2017 and newer

R1234yf (2,3,3,3-tetrafluoropropene) is the new standard refrigerant in all new cars sold in the EU and Norway after the MAC Directive (2006/40/EC) phased out R134a from 1 January 2017. It has a GWP of just 4 versus 1430 for R134a — over 360 times less climate impact. But the environmental benefit comes at a cost: R1234yf is classified as mildly flammable (safety class A2L), the refrigerant itself costs 5–10 times more per kilo, and service requires certified equipment and personnel.

Why is R1234yf service more expensive?

Many customers react to the fact that AC service on the new car costs more than they remember from the previous one. This is not a workshop markup, but reflects real differences in materials and procedure. The refrigerant itself costs significantly more per kilo. The R1234yf service station is more expensive to acquire and requires separate certification to handle flammable refrigerant. Safety procedures are stricter — we need a spark-free zone, a gas sniffer near the work area, and specific routines for recovery. Finally, regulations require an F-gas certificate for the technician handling the substance.

Does my car need R1234yf?

You'll find the refrigerant type on a sticker under the hood — usually at the condenser or on the underside of the hood panel. The sticker indicates both the type ("R-1234yf") and the correct amount in grams. As a rule:

• Cars registered 2017 and newer: typically R1234yf
• Cars registered before 2017: typically R134a
• Imported cars and some EVs: may differ — check the sticker

We always identify the refrigerant type before starting, using a gas analyser that verifies what is actually in the system. Mis-charging is catastrophic — it destroys both the system and the service station, and in the worst case can create a flammable mixture.

How we perform the R1234yf refill

The process follows the same basic principle as R134a, but on a certified R1234yf station: refrigerant identification, vacuum recovery of the existing charge, evacuation for 20–30 minutes to remove moisture, leak test under vacuum, and refill with the correct oil amount (often POE oil for R1234yf systems) and refrigerant per manufacturer specification. The whole job takes 30–60 minutes depending on the car, and we always provide a fixed quote before we start.

Safety — is R1234yf dangerous?

R1234yf is classified as A2L (mildly flammable, low toxicity). It requires an open flame or spark in pure concentration to ignite, and burns with limited heat release. In a well-ventilated workshop it is not a health risk — we have specialised equipment that handles it safely. On the car itself there is no additional risk in normal use either; manufacturers carried out extensive testing before the refrigerant was approved for use.

Certification and environment

Handling R1234yf is regulated by the F-gas Regulation (517/2014). Only technicians with a valid F-gas certificate may legally carry out service involving filling, recovery or repair. At Din Firmabil AS all relevant technicians are certified, and all recovery happens in closed systems so nothing is released into the atmosphere. We are also registered in the F-gas register and document all work in line with the regulation.

Book your AC service online or call us on 41 17 32 24.