2nd A/C - Prewire?

I want to add a 2nd A/C in the bedroom of my '07 3670. There is currently an electric exhaust fan in the vent space. Can I assume that the wire that runs the fan is the proper gauge to run the A/C or do I have to re-pull?
Thanks

The wire running the fan is 12 volt.
You need to look and see if you are prewired for A/C

themyles, all exhaust fans in RV's are operated on 12 volts DC. An air conditioner runs on 110 AC. You will have to determine if your trailer had the pre-wire for bedroom a/c option. One way to do this is to remove the interior trim on the exhaust fan and check for a set of 110 wires or a set of double roof joists on both sides of the exhaust fan. The factory can help if you provide them with a Vehicle Identification number.

My Landmark Monticello was suppose to be pre-wired for the bedroom A/C, but it was not. However, the factory refunded me the extra labor cost that I had to pay because they had to run a new wire. You need to be wired to your thermostat and you need the digital thermostat that can handle two units. At least that how it was on my trailer.