Dometic FreshJet™ 3 Air Conditioner FJX3573MWHAS (15,000 BTU)

Powerful Cooling. Quieter Comfort. Polar White Finish.

The Dometic FreshJet™ 3 FJX3573MWHAS rooftop RV air conditioner combines advanced cooling technology with a lighter, quieter, and more efficient design. Perfect for 14" x 14" vent openings, this 15,000 BTU unit is compatible with both ducted and non-ducted systems and works with existing Dometic and many competitor air returns. Built for long-lasting performance, it delivers exceptional cooling capacity, increased airflow, and reduced noise for comfortable adventures in all climates.

Key Specifications

• BTU Rating: 15,000 BTU (AC only)
• Mount: Fits standard 14" x 14" vent openings
• System Type: Ducted or Non-Ducted
• Voltage: 115V
• Compressor Draw: 13.6A
• Height: Medium profile – 13-7/8"
• Overall Size: 27-5/8" L x 29-5/8" W x 13-7/8" H
• Weight: 66 lbs
• Color: Polar White
• Controls: Requires CT Single or CCCII Multi-Zone Wall Thermostat and Ceiling Assembly (sold separately)
• Compatibility: Works with Dometic air distribution boxes 3314851.000 and 3314850.000 / 3317404.000 return air grille
• Marine: Yes
• Estimated Install Time: 1.5 hours

Performance & Design Advantages

• Lightweight Build: ~14% lighter than previous Dometic Brisk II models
• Improved Cooling & Airflow: Custom blower system provides ~8% more even circulation
• Quieter Operation: One-third less noise than predecessors for restful sleep
• Eco-Friendly: Uses ~28% less refrigerant
• Durable Construction: E-coated evaporator coils for superior corrosion resistance
• Flexible Installation: Works in both ducted and non-ducted setups; backwards-compatible with many air returns

Note: Ceiling assembly and wall thermostat required for new installations (sold separately). Installation, service, and maintenance must be performed by a qualified technician.

Warranty: Limited 2-Year Manufacturer Warranty