A/C Service — Vernon, BC

R134a Retrofit (R12 to R134a)

Vehicles manufactured before 1994 used R12 refrigerant, which is no longer manufactured and very expensive when available. A retrofit to R134a updates the fittings and charge spec, allowing the vehicle to run on the modern, widely available refrigerant. Done correctly, this also includes a system flush and desiccant replacement.

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R134a Retrofit

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What the retrofit involves

First, the remaining R12 is recovered compliantly (we hold HRAI certification for this). The system is then flushed to remove R12-compatible oil, which is not compatible with R134a. The receiver/drier or accumulator (desiccant) is replaced. Retrofit fittings (physically different from R12 fittings) are installed to prevent future mischarging. Finally, the system is vacuum evacuated and charged with R134a at an adapted specification.

Performance expectations

R134a performs slightly less efficiently than R12 at high ambient temperatures. However, for most applications, a properly retrofitted system performs acceptably well. Classic car owners with heavily modified A/C systems may consider R12 alternatives — we can advise on the best approach for your specific vehicle.

Common Questions

Will my classic car's A/C cool as well after the retrofit?

Probably close to original performance, though R134a is slightly less efficient than R12 in older systems designed for R12. The biggest performance gains come from a clean, properly evacuated and fully charged system. Many classic car owners find the retrofitted system works adequately for Okanagan summers.

Is R12 still available?

R12 is no longer manufactured under the Montreal Protocol due to its ozone-depleting properties. Limited recovered/recycled R12 exists, but it's expensive and hard to source. R134a retrofit is the practical solution for most older vehicles.

Includes

R12 recovery (compliant disposal)
System flush and oil change
Desiccant (receiver/drier) replacement
Retrofit fitting installation
Vacuum evacuation and R134a charge

Charges for Service

Contact for quote

Every job is different — vehicle, refrigerant type, location, and condition all factor in. We give a clear quote up front so you know the cost before we start. On-site service usually beats the total cost of a shop visit once you add in transport and down-time.

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