Advent Air ACR Models Ceiling Assembly for Ducted Installations

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4 products

What does the Advent Air ACR ceiling assembly do in a ducted installation?

The ceiling assembly is the interior-side component of an Advent Air ACR rooftop air conditioner installed in a ducted configuration. It seals the unit to the RV ceiling, routes conditioned air into your existing duct network, and houses the control interface. If your Advent ACR is running but airflow at the registers is weak or air is leaking around the ceiling opening, the ceiling assembly or its gasket is usually where to start. For non-ducted setups, see the Dometic non-ducted ceiling assembly with wall thermostat.

Which Advent Air models are these ceiling assemblies compatible with?

These parts fit Advent Air ACR-series rooftop units configured for ducted installations, including common ACR135 and ACR150 variants. Confirm your model number on the data plate inside the unit before ordering, and verify your roof opening is the standard 14" x 14" cutout. If you are unsure about fitment, text or call our team at 817-984-1852 with your model and serial number.

How do I know if I need a ducted or non-ducted ceiling assembly?

Look at your current setup: a ducted system pushes air through ceiling vents in different parts of the RV, while a non-ducted system blows air directly out of the ceiling assembly itself, right below the rooftop unit. The two assemblies are not interchangeable. If your rig uses a different brand rooftop unit, check the matching non-ducted options like the Furrion Original non-ducted ceiling assembly or the Coleman Power Saver HP ducted ceiling assembly.

Do I need to replace the roof gasket when installing a new ceiling assembly?

Yes, in most cases. The roof compression gasket between the rooftop unit and the RV roof is a one-time-use foam seal. Any time you loosen the four mounting bolts to swap the ceiling assembly, plan on a fresh gasket to prevent water intrusion and air leakage. Tighten the mounting bolts to the spec listed in your Advent Air install manual, usually around 40-60 inch-pounds, and recheck after the first cooling cycle.