Car Servicing

R744 Air Con Regassing

GT Service in Harrogate, North Yorkshire offers specialist regassing for vehicles equipped with the latest R744 (CO₂) air conditioning systems. We’ve invested in state-of-the-art high-pressure service equipment to safely handle this next-generation refrigerant – something most garages aren’t yet set up for. Our trained technicians will carry out full diagnostics, leak testing and a professional recharge to get your system working at peak performance.

£400 + VAT

What is R744 air con regassing?

R744 is the technical name for carbon dioxide (CO₂) used as a refrigerant in newer vehicle air conditioning systems. Unlike older refrigerants such as R134a or R1234yf, R744 operates at much higher pressures and requires specially designed components - it is not compatible with older systems. Many newer models from manufacturers like Volkswagen, Audi and Mercedes-Benz now use R744, particularly in electric and hybrid vehicles.

This refrigerant has become popular for its strong environmental credentials - it’s non-toxic, non-flammable, has zero ozone depletion potential, and a global warming potential of just 1 (compared to 1300+ for older gases). That makes it the most eco-friendly choice on the market.

Our R744 air con regas service includes:

Full system diagnostic and performance check
Leak test using pressure and vacuum methods
Correct oil replenishment (specific to CO₂ systems)
Recharge with R744 gas to exact manufacturer specification

We use the latest equipment specifically designed to handle R744’s high pressure safely and efficiently.

Why carry out a R744 regas?

Even with cutting-edge refrigerant technology, R744 air con systems still need periodic servicing. Over time, small leaks or natural loss of gas can reduce performance. If the system isn’t working as efficiently as it should, it may be undercharged – which puts strain on the compressor and reduces cabin cooling.

Getting your R744 system regassed restores:

Full cooling performance
Energy efficiency
Proper lubrication of internal parts
Reduced wear on your air con system

Because R744 runs at significantly higher pressure than older systems, it’s even more important that the system is checked and maintained by trained professionals with the correct equipment. GT Service is one of the only independent garages in the Harrogate area offering full R744 servicing – saving you a trip to the main dealer.

Whether you’re driving a new EV, hybrid or high-efficiency petrol/diesel model, regular R744 servicing keeps your air con working as it should and ensures your vehicle stays as eco-friendly as it was designed to be.

Typical signs that your air con system needs a regas

Not sure if your vehicle needs a regas? Here are some common symptoms to watch for:

The air from your vents is warmer than usual
It takes longer than normal to cool the cabin
You hear unusual hissing or rattling sounds when the AC runs
The windscreen takes longer to demist
You notice odd smells from the air vents

Any of these could point to low refrigerant levels or a fault in the system. If your car uses R744 and it’s been a few years since the last service – or you’re unsure if it’s ever been regassed – it’s worth getting it checked.

Give us a call on 01423 623 366 to speak with our friendly team, or book online now to arrange your R744 air con regassing. We’ll confirm whether your vehicle uses CO₂ refrigerant and carry out the service safely, efficiently and at a fixed price of £400 + VAT.

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GT Service is the genuine alternative to the main dealer network