Review · 12V Coolers
Dometic CFX5 35
Our 18/20 review — where it wins, where it loses, and who should buy it.
Updated October 5, 2026
We may earn a commission — it never changes the score.
Every 12v coolers promises the world on the box. Most of them don't survive contact with a real cab, a real winter, or a real week on the road. So we score them the same way, every time — cooling against cooling, build against build, value against value — and publish the number.
The Dometic CFX5 35 lands at 18/20 in our comparison. Here's where it wins, where it loses, and who should actually buy it.
The number is the point. Everything else is the receipt.
Score breakdown
The hardware
Key specs
| Capacity | 35 L |
|---|---|
| Power | 12/24V DC, 100–240V AC |
| Weight | 19.6 kg |
| Temp range | -22°C to +10°C |
Key takeaways
| Best for | Drivers who want the best and will pay for it. |
|---|---|
| Skip if | You're counting every dollar — the value pick gets you 90% there. |
| Bottom line | The one I'd buy with my own money — the benchmark every other 12V cooler gets measured against. |
Questions, answered
Is the Dometic CFX5 35 worth the price?
At C$1,307.20, it depends on how you use it. Our 18/20 score puts it at the top of the category — check the score bars above for where it gains and loses.
How is the score calculated?
Our 20-point rubric weights the things that matter for drivers. See the full methodology for the breakdown.
Do you earn a commission?
Yes — when you buy through our links we may earn a commission at no cost to you. It never changes the score.
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Disclosure: The Driver Gear is reader-supported. When you buy through links on this page, we may earn an affiliate commission at no extra cost to you. Scores reflect our editorial comparison methodology — how we test.