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RV Air Conditioners - Cool Only

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RV Air Conditioners with Cool Only Operation

Cool only RV air conditioners keep your rig comfortable without adding heat modes, ideal when a separate furnace handles warmth. They fit a 14-1/4" x 14-1/4" roof cutout common on RVs, and ducted setups can use an air distribution box with a vent you can close to push more air through the ducts. With newer R-32 systems, match boxes and controls, and keep your furnace on a wall thermostat if you prefer.
The interior box has a vent you can open and close. Closing it forces more of the air through the ducted system. If you want some air to blow directly into the room, leave the vent open. Make sure you choose a box designed for ducted setups.
Installation can be straightforward for a careful DIYer. Expect roughly 80 lbs to get on the roof—use help or a safe lift method. Follow the instructions and use 40 inch pounds of torque on the retaining bolts to avoid stripping. Plan a few hours for the swap and test cooling in hot weather to verify performance.
Plan to change the air distribution box because anything made before 2025 isn't compatible with the new refrigerant systems. If your RV has a furnace tied to a wall controller, decide whether you'll keep that controller or use the new thermostat/remote from the AC kit. Confirm your system is ducted so you get the correct box.
Yes, most cool-only rooftop units fit a 14-1/4" x 14-1/4" cutout commonly used. Confirm your opening size and roof thickness before ordering. If you're moving from Dometic or Coleman/Airxcel, the cutout typically matches, but verify whether your setup is ducted or non-ducted to get the right interior box.