not sure what a/c unit you are referring to, however i live in washington, dc and went with cobra earl's powered vent kit:
http://home.mindspring.com/~egroce/id1.html
my car is not done yet, but i have heard nothing but positive things about this kit.
scott
http://home.mindspring.com/~egroce/id1.html
my car is not done yet, but i have heard nothing but positive things about this kit.
scott
