I live in the Sonoran desert here in Arizona. It gets up to 110 degrees. I have AC in my 73 Super Beetle. Bought it new with AC. Have replaced the old cast iron compressor years ago with one of the newer lighter styles that doesn't pull the engine down as much when on. I wouldn't own a car with out AC. One of the girls in the Tucson Bug Club had AC installed in her 71 Bug. Cost her $1500. They didn't use the right bracket hook up for the AC and she had this gawd-awful hole cut in the deck lid with a chrome vent over it to allow room for the compressor. The unit worked OK, but was butchered on the installation. Go to someone who knows what they're doing.
The blower unit is in the trunk and more of the system is tucked up under the front end of the car. I do recommend the cool air stand-offs for the deck lid to be installed each summer.
Loren R. Knapp
In The Hot Sonoran Desert of Arizona - 73 Super Beetle "The Blues."