For overlanders and RV owners who want the established name and a full-unit warranty, and will pay several times the price per liter of value brands for it.
Amazon $1,049.99 Dometic $1,049.99The Dometic CFX5 45 rates 3.7 among mid-size 12V fridges; the Dometic CFX5 55IM rates 3.0 among large ones. The Dometic CFX5 45 costs $149.98 less ($1,049.99 vs $1,199.97).

For overlanders and RV owners who want the established name and a full-unit warranty, and will pay several times the price per liter of value brands for it.
Amazon $1,199.97 Dometic $1,199.99Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different size classes (mid-size and large), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Dometic CFX5 45 | Dometic CFX5 55IM |
|---|---|---|
| Overall rating | 3.7/5 | 3.0/5 |
| Value 35% | 30 $22.83 per liter | 16 $21.82 per liter |
| Efficiency 20% | 100 about 163 Wh a day (3.5 Wh per liter), measured average draw (OutdoorGearLab) | 59 about 446 Wh a day (8.1 Wh per liter), maker figure, 1.6 Ah per hour at Internal 4 °C, icemaker on (maintenance), ambient 32 °C |
| Warranty 20% | 50 3-year unit | 50 3-year unit |
| Build 15% | 100 display within 0.6 °F in testing | 50 compressor maker not stated (neutral score used) |
| Portability 10% | 72 0.88 lb per liter | 79 0.81 lb per liter |
Independent tests
Dometic CFX5 45
| Tested by | Average draw | Energy over 24 h | Coldest reached | Display error | Conditions |
|---|---|---|---|---|---|
| OutdoorGearLab | 6.8 W | - | −2.2 °F | 0.6 °F | 75 °F lab, set to 35 °F; steady-state draw on 12 V, coldest reached in 24 h, display checked with loggers. |
Dometic CFX5 55IM
No independent test published yet.
Specifications
| Dometic CFX5 45 | Dometic CFX5 55IM | |
|---|---|---|
| Capacity | ||
| Capacity | 46 L (49 qt) | 55 L (58 qt) |
| Zones | Single zone | Single zone |
| Temperature range | −8 to 68 °F | −8 to 68 °F |
| Price per liter | $22.83 | $21.82 |
| Power | ||
| Energy use | 163 Wh a day (measured average draw (OutdoorGearLab)) | 446 Wh a day (maker figure, 1.6 Ah per hour at Internal 4 °C, icemaker on (maintenance), ambient 32 °C) |
| Energy per liter | 3.5 Wh | 8.1 Wh |
| Rated input | 49 W | 55 W |
| Battery | None | None |
| AC adapter included | Yes | Yes |
| Build | ||
| Weight (empty) | 40.3 lb | 44.4 lb |
| App control | Yes | Yes |
| Warranty | 3 yr | 3 yr |