>   I have installed a 3" ~ 4" pancake fan in the city water port as
> previously described by someone on this list.  This has been the
> single most beneficial thing that has improved the Dometic
> operation in warm weather.  The amount of heat being blown out of
> that port will amaze you when you think that all that heat was
> previously being contained in the van and trying to exit through
> the skylight if you remembered to keep it open.  Once the interior
> temperature surpasses 80 degrees F the fridge ceases to work, no
> more  possibility of heat transfer ~ no more cooling ~ plain &
> simple !
>
> Cheers,
>
> Frank Condelli

Could you provide a description w/pictures of how you set that up?
Sounds like a really good idea...