Dometic FreshJet 3 15000 BTU RV Rooftop Air Conditioner FJX3573MWHAS is a brand new, high-efficiency rooftop air conditioner designed to deliver powerful cooling in a lighter, quieter, and more compact package. This model provides 15,000 BTU of cooling capacity and is engineered for both ducted and non-ducted RV applications, making it a flexible upgrade for a wide range of motorhomes, travel trailers, and fifth wheels.
The FreshJet 3 features a custom high-output blower system for improved airflow and even cabin temperature distribution. Its e-coated evaporator coils offer excellent corrosion resistance while allowing the system to operate with significantly less refrigerant, improving long-term reliability and environmental performance.
This unit is backwards-compatible with existing Dometic and many competitor return air systems, helping simplify replacement projects. Designed for dependable performance on the road or at the campsite, the FreshJet 3 delivers quieter operation, higher efficiency, and modern airflow performance in a medium-profile rooftop design.
Manufacturer Part Number (MPN): FJX3573MWHAS
Key Specifications
| Specification | Details |
|---|---|
| Manufacturer | Dometic |
| Part Number (MPN) | FJX3573MWHAS |
| Model | FreshJet 3 |
| Cooling Capacity | 15,000 BTU |
| Function | AC Only |
| Cooling Type | Refrigerant Cooling |
| Mounting Opening | 14 Inch x 14 Inch |
| Application | Ducted or Non-Ducted |
| Zone Control Board | No |
| Profile Height | Medium – 13-7/8 Inch |
| Color | Polar White |
| Voltage | 115V |
| Current Draw | 13.6 Amps |
| Weight | 66 lb |
| Condensate Pump | Not Included |
| Remote Control | Not Included |
| Marine Use | Yes |
| Installation Time | Approx. 1.5 Hours |
Features & Benefits
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15,000 BTU high-performance cooling capacity
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Approximately 14% lighter than previous Dometic Brisk II models
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Backwards-compatible with existing Dometic and competitor air returns
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Suitable for both ducted and non-ducted installations
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Custom blower system delivers higher airflow for even circulation
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Uses approximately 28% less refrigerant than older designs
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Operates with up to one-third less noise compared to previous models
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E-coated evaporator coils for superior corrosion resistance
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Eco-friendly and more efficient refrigerant design
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Medium-profile rooftop design
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Includes limited 2-year manufacturer warranty
Installation & Compatibility Notes
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Installation, service, and maintenance must be performed by a qualified technician.
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Compatible with Dometic air distribution boxes and return air grilles:
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3314851.000
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3314850.000
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3317404.000
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Required accessories (sold separately):
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CT Single or Comfort Control Center II (CCCII) multi-zone wall thermostat
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Matching ceiling assembly
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Product Fit & Use
This rooftop air conditioner is ideal for:
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RVs
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Travel trailers
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Fifth wheels
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Motorhomes
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Marine applications
It is designed as a direct replacement and performance upgrade for many existing rooftop air conditioning systems.