Compatibility: air conditioners, fridges and roof fans with Camper Jarvis

Updated 16 October 2026Thermy

Air conditioner, fridge, roof fan: this page shows which of these devices you can control with Camper Jarvis. The list shows what already works today and what we are working on right now. It keeps growing, because we are constantly adding new devices.

As of October 2026

How to read the list

  • Supported: works today, you can use it straight away.
  • Beta: already works, but we are still testing and extending it.
  • In progress: the integration is being developed and cannot be used yet.

Air conditioners and fridges with their own data interface are controlled by Thermy. Thermy talks to the device directly through its interface instead of just switching its power on and off. Devices without an interface are switched with Ampy or Switchy. Which module is meant for what is shown in Which module does what: the overview.

Air conditioners

Manufacturer Model/series Status Via What works
Truma Aventa 2.G (Compact 2.G, Compact Plus 2.G, Comfort 2.G) with iNet X Interface In progress Heaty on the iNet X Interface Connected to the same iNet X Interface as the Truma heater. The Truma control panel stays installed.
Eberspächer Breezonic roof air conditioner In progress Thermy Integration via RV-C
Dometic FreshJet (FJX) In progress Thermy Integration via CAN

Older Aventa or Saphir models are connected differently. In that case, ask us before you buy.

Fridges

Manufacturer Model/series Status Via What works
Dometic Compressor fridges with CI bus In progress Thermy We check absorption fridges case by case, many of them also have a CI bus.
Thetford N4170A (N4000 series), TR1065 In progress Thermy Integration via CI bus, not for models with a battery pack
Vitrifrigo Fridges In progress Thermy Integration planned
All manufacturers 12V and 24V fridges without a data interface Supported Ampy or Switchy On and off. With Ampy you also see the consumption and protect the fridge electronically.
All manufacturers Cooling with surplus solar power In progress Switchy or Thermy, plus a RuuviTag in the fridge When the battery is full and the sun keeps delivering, the fridge pre-cools a little further. In the evening the compressor then starts less often.

Good to know: fridge manufacturers do not transmit the temperature inside the fridge through their interface. So that Camper Jarvis knows the fridge temperature, a small wireless sensor, a RuuviTag, goes into the fridge. Support for RuuviTag is in progress.

Roof fans and fans

Manufacturer Model/series Status Via What works
MaxxFan Deluxe Compact In progress to be confirmed Integration via the connector for the external control panel
All manufacturers 12V and 24V fans without a data interface, for example a separating toilet fan Supported Ampy or Switchy On and off, automatically if you like, as soon as someone is in the vehicle

Tip for your build: planning a MaxxFan? Lay a shielded data cable from the roof hatch down right away during your build. The fan interferes strongly with unshielded cables, and this way you will not have to get back up to the roof hatch later.

No guarantee is given for this information. The range of functions may differ depending on device generation, year of manufacture and interface.

Your device is missing?

Then write to us using the contact form. Tell us the manufacturer and the exact model name from the rating plate. We will check whether your device has an interface and how it can be integrated. For new integrations we are also regularly looking for test vehicles with suitable devices.

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Related questions

Which devices can I control with Thermy?

Roof air conditioners with a data connection, for example the Dometic FreshJet, and fridges from Dometic, Thetford and Vitrifrigo. We work out which adapter cable fits your device with you when you send your enquiry. If your device is not supported yet, just ask us, we keep adding more brands.

What can I set with Thermy?

For the air conditioner, target temperature and operating mode, and you can always see what the unit is doing. For the fridge, you switch it on and off and get faults in plain language instead of blink codes. Manufacturers do not transmit the actual temperature inside the fridge via the CI bus. Thermy can only set the fridge temperature once the actual temperature is known, which takes a RuuviTag wireless sensor in the fridge. Support for RuuviTag is coming soon. Then Thermy can also reduce cooling at night so that the compressor starts less often. Everything on the SmartKnob or in the dashboard, no extra remote control needed.

Does Thermy need its own power cable?

No. Thermy plugs straight into your device with a matching adapter cable and gets its power from there too. Then you pair Thermy with the SmartKnob and you are done.

Do I need a SmartKnob for Thermy?

Yes. Thermy is a module and connects wirelessly and encrypted to the SmartKnob, the hub of the system. That is where, along with the dashboard, you operate your air conditioner and fridge.

Can Thermy work automatically?

Yes. You link Thermy to scenes and schedules, for example pre-cooling in the afternoon and switching to quiet night mode at bedtime. You can still control everything by hand at any time.

Can my fridge cool with surplus solar power?

Yes. When the battery is full and the sun keeps shining, the fridge uses the surplus to pre-cool a little further. That saves power in the evening and keeps the compressor quiet for longer. For this you need Volty for the battery data and a RuuviTag in the fridge.

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