To expand on that - if it's something modern and common I'd sell whatever it is and get a version with Aircon as it will be far cheaper and far faster. Retrofitting Aircon to a modern car would cost a fortune and at the same time hammer its resale value.
If it's a classic that you want to retrofit a Vintage Air system to then it depends on what it is as you'd want to go to a specialist who knows that make.
To expand on that - if it's something modern and common I'd sell whatever it is and get a version with Aircon as it will be far cheaper and far faster. Retrofitting Aircon to a modern car would cost a fortune and at the same time hammer its resale value.
If it's a classic that you want to retrofit a Vintage Air system to then it depends on what it is as you'd want to go to a specialist who knows that make.