Forum Discussion

Trackrig's avatar
Trackrig
Explorer II
Jan 27, 2019

Explain vehicle / equipment top air conditions not on RVs.

I'm in Cabo San Lucas, Mexico at the moment and not in an RV if that should make any difference. I do own both a DP and a TT with roof-top air conditioners that run on standard AC electricity. On t...
wa8yxm's avatar
wa8yxm
Explorer III
Jan 28, 2019
There is no reason an electric motor . be it a blower motor or a compressor motor can not be made to run on 12 volts.. but since the compressor pulls over 1000 watts.. that's a whole lot of 12 volts.

I"m wondering if the Rooftops (I seem 'em on diesel Semi's too) do not use an engine driven compressor and then just a 12 volt blower.. that is how I'd do it more than likely. Else I'd use an inverter and feed 'em `120 v.

Or a Generator.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,370 PostsLatest Activity: Mar 17, 2026