Advent® Air is engineered to make your RV experience as comfortable as possible. Our durable ACs are designed for maximum airflow and efficiency while reducing compressor noise for a cool, quiet camp out.
If you need to replace an existing 2024 or prior Advent Air unit (ACM135/B & ACM150/B), you must use a compatible unit from the same series. 2025 models (ACR135/B & ACR150/B) are not designed as direct replacements and require a complete system installation, including the rooftop unit, ceiling assembly, and thermostat.

ACM135/B and ACM150/B (2024 & Prior Models)
- BTU rated cooling capacities:
- ACM135/B | 13,500 BTU rated cooling capacity
- ACM150/B | 15,000 BTU rated cooling capacity
- Condensation dispersion cooling system increases cooling efficiency and eliminates water run-off
- 115V AC power
- R410A Refrigerant
- Rigid, metal frame with thick foam support pads allows for quiet operation
- Premium, extra-thick water seal gasket
- Three fan speeds (low, Medium, High)
- Fan-On control option
- Available in white (ACM135 & ACM150) or black (ACM135B & ACM150B)
- Installs on standard 14.25″ x 14.25″ vent opening
- 68lbs total weight
- Removable, washable filter
- Rooftop unit can be swapped out with some Coleman and Carrier units (with adapter) and some Dometic rooftop units without any adapter.

ACR135/B and ACR150/B (2025 Models)
- BTU rated cooling capacities:
- ACR135/B | 13,500 BTU rated cooling capacity
- ACR150/B | 15,000 BTU rated cooling capacity
- Condensation dispersion cooling system increases cooling efficiency and eliminates water run-off
- 115V AC power
- R32 Refrigerant
- Rigid, metal frame with thick foam support pads allows for quiet operation
- Premium, extra-thick water seal gasket
- Three fan speeds (low, Medium, High)
- Fan-On control option
- Available in white (ACR135 & ACR150) or black (ACR135B & ACR150B)
- Installs on standard 14.25″ x 14.25″ vent opening
- 68lbs total weight
- Removable, washable filter
- Must be installed as a complete system (rooftop unit, ceiling assembly, thermostat).

ACTH12
- Digital Thermostat
- 4-wire terminal connection
- Controls AC/furnace

ACRDTH25 (2025 Model)ACRG15 (2024 & Prior Models)
- Flash Freeze Ceiling Assembly
- Quickly cools the RV by allowing direct airflow from the upper unit to blow straight down into the RV living area
- Kit includes ceiling assembly, digital thermostat, and digital relay
- Easily installs in standard vent opening
- Louvered grille provides quick/direct cold air
- Designed for both ducted & non-ducted applications (with thermostat)
- Removable and washable air filter

ACRND25 (2025 Model)ACDB (2024 & Prior Models)
- Non-Ducted Ceiling Assembly
- Easy to use temperature and fan control

ACMHD
- Electric Heat Strip
- Provides 5,500 BTUs of heat

ACCOLKIT
- Coleman Adapter Kit

ACCARKIT
- Carrier Adapter Kit