Hey, speak for yourself! I'm pretty far south, as it goes, about six
miles from mexico. And "The Bisbee district has the greatest climate on
Earth!"(or so its painted in foot-tall letters on the insurance office
downtown), so I shouldn't need AC, as long as I don't stray too far from
home :) But, honestly, I've lived in AZ for a dozen years now, never had
AC, think I can go a while longer. Simply not worth the hassle of buying
parts, keeping it charged, loss of power, poorer mileage, global
warming, etc. (not to mention the $500). 

It looks like on my van (an '84 westy) the door simply screws on where
the current vent is. Still haven't found one, though...

Jeff

-----Original Message-----
From: Kim Brennan

Two reasons. The obvious one is to cool the incredibly hot air inside
our green houses on wheels while driving in southern summers.