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RV AC Unit Recommendation for 14 inch Roof Opening that Doesn't Require Wall Thermostat  

Updated 02/03/2026 | Published 07/09/2024

Question:

I have a 14 1/4 x 14 1/4 vent fan in the bathroom of my rv. Do you have any A/c that would just have the on/off with temp control that does not require a thermostat? I need to add extra a:c to cool down the unit and when it gets really hot.

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Expert Reply:

Hey David, we have just what you need with the Advent Air # ACM135C which comes with a lower vent assembly that has all of the controls built into it so you wouldn't need to run a wall thermostat. This is also the correct fit for a 14-1/4 inch square roof opening as well.

expert reply by:
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Jameson C
Jameson C. profile picture
Etrailer Expert

Jameson C.

2/3/2026

Hey David, how did the Advent Air unit work out for adding extra cooling in your RV? Your update could make it easier for others looking for a simple on/off setup without a thermostat.


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