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Depends on how extensive a conversion you want to do. If you want to a complete conversion and replace just about everything, the cost will be in the thousands. For considerably less, you can replace the refrigerant oil, replace the hose fittings, and replace the metering device. Another alternative is to switch to R414b, which is claimed to be able to replace (read: replace, not be blended with) R12 without a need for changing oil or components.

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13y ago

What else can I help you with?