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Dometic DM vs RM Model Refrigerators: What's the difference?!

Dometic DM vs RM Model Refrigerators: What's the difference?!

Posted by Brian on 25th Aug 2025

Dometic DM vs RM Model Refrigerators: What’s the Difference?

Choosing the right refrigerator for your RV is crucial for keeping your food fresh and your adventures worry-free. Dometic, a leader in mobile refrigeration, offers two main lines for RVs: the DM series and the RM series. While both keep your groceries cold, they serve very different needs. This guide breaks down the differences and highlights the latest models currently in production.

1. Overview of Dometic DM and RM Series

Dometic DM Series:
The DM series is compressor-driven, perfect for RVs, boats, and off-grid setups. It is known for energy efficiency, reliable cooling, and a consistent temperature even in extreme conditions.

Latest Dometic DM Models:

  • DM2662 – 6 cu ft, single-door compressor fridge, ideal for mid-sized RVs

  • DM2882RB1 – 8 cu ft, with freezer compartment, DC/AC compatible

  • DM2872RB1- 7 cu ft refrigerator with freezer compartment, DC/AC compatible

  • DM4500 – 12 cu ft, large capacity, optimized for full-time RVers and boats

  • DM9000 – Top-of-the-line, high-efficiency compressor fridge with smart battery management

Dometic RM Series:
The RM series uses absorption technology, cooling via propane or AC power. These are classic RV fridges, commonly found in motorhomes and camper trailers.

Latest Dometic RM Models:

  • RM1350 – Compact 4.5 cu ft fridge for small RVs or trailers

  • RM2350 – 7 cu ft fridge with small freezer compartment, ideal for mid-sized campers

  • RM4350 – Full-size 12 cu ft fridge with generous freezer, suited for family RVs

  • RM5360 – High-capacity model with modern controls and propane/AC dual operation

2. Cooling Technology: Compressor vs Absorption

Feature DM Series RM Series
Cooling Method Compressor-driven Absorption (propane/AC)
Temperature Consistency ✅ Excellent ⚠ Can vary with heat and tilt
Noise ⚠ Slight hum from compressor ✅ Almost silent
Freezer Capability ✅ Functional freezer in most models ⚠ Small or limited freezer
Power Flexibility ✅ 12V DC / 120V AC (some propane hybrids) ✅ AC & propane (12V only for control)

3. Power Options and Efficiency

DM Series: Perfect for off-grid adventures, solar power, and battery setups. Works efficiently while driving and holds temperature consistently.

RM Series: Better for RV parks or short trips where propane or shore power is available. Requires level placement and is more sensitive to motion.

4. Ideal Use Cases

Dometic DM Series:

  • Full-time RVers or liveaboard cruisers

  • Off-grid travelers relying on solar or battery power

  • Those who need a reliable freezer compartment

Dometic RM Series:

  • Casual RVers or weekend campers

  • Users with access to propane or shore power

  • Travelers wanting a simple, low-maintenance fridge

5. Key Takeaways

  • DM Series: Efficient, DC-friendly, consistent cooling, off-grid capable, reliable freezers.

  • RM Series: Propane/AC-powered, simple design, best for level placement, traditional RV setups.

Choosing the right fridge depends on your travel style, power source, and cooling needs.

Final Thoughts

If you’re a full-time RVer or off-grid adventurer, the Dometic DM series is likely the best choice. If you’re a casual traveler or weekend camper, the RM series remains a reliable, low-maintenance option. Both offer Dometic’s trusted quality, so your choice comes down to how you travel and where you plug in.