Dometic Fresh Jet 5 Air Conditioner FJX5457MWHCS (13,500 BTU)

Low Profile. High Efficiency. Powerful Cooling.

The Dometic FreshJet™ 5 FJX5457MWHCS is a low-profile rooftop RV air conditioner designed as a direct replacement for the Penguin II. Delivering approximately 13,500 BTU of high-efficiency cooling, it offers reliable comfort while using less power. Built with a hard start capacitor for dependable operation, quieter performance, and a reinforced steel base, this unit is perfect for new RV builds, universal replacements, or upgrades—without altering your existing fitment.

Key Specifications

• BTU Rating: 13,500 BTU (High Efficiency AC only)
• Mount: Fits standard 14" x 14" vent openings
• System Type: Ducted or Non-Ducted
• Voltage: 115V
• Compressor Draw: 15.6A
• Height: Low profile – 10-1/2"
• Overall Size: 40.39" L x 29.21" W x 10.5" H
• Weight: 93 lbs
• Color: White
• Controls: Ceiling assembly and thermostat sold separately
• Estimated Install Time: 1.5 hours

Performance & Design Advantages

• Low Profile Design: Just 10.5" height for improved clearance
• Energy Efficient: High-efficiency cooling with reduced power draw
• Built-In Hard Start: Ensures dependable startup in various conditions
• Quiet Operation: Designed to minimize cabin noise
• Durability: Reinforced steel base for long-term performance
• Direct Replacement: Fits where Penguin II units were installed with no modifications

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