not sure but have a look at
http://www.smallcar.com/index.php?dispatch=pages.view&page_id=62
Maybe they are willing to share their setup?

On Fri, Jul 26, 2013 at 5:54 PM, mark drillock <mdrillock@cox.net> wrote:

> I am wanting to add a NEW dash A/C to some Vanagons in the near future.
> I know all about the big project that did it by removing the stock
> heater box and eliminating all fresh/outside air flow capability but
> that does not interest me in the least. I just want to ADD the A/C
> without subtracting anything. I like fresh air most of the time and
> rarely want to run the A/C. I have located a small unit that can be fit
> above the glovebox but I was wondering if anyone has done something I
> can copy? I already dumped all my old Behr systems.
>
> I mean a NEW unit.
>
> thanks,
> Mark
>

--
Karl
1981 Westy "Jenny"
2000 VW Jetta GLS VR6
Wilmington, DE