Dometic IBIS 4 Caravan Air Conditioner
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Dometic IBIS 4 Caravan Air Conditioner

Caravan Air Conditioner

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Dometic IBIS 4 - Roof Mounted Caravan Air Conditioner with Inverter Technology


The Dometic IBIS Mk4 roof top air conditioner is the next generation of the Dometic IBIS Range, with a new sleek design the new IBIS MK 4 is not only lighter than the IBIS MK 3, it is also much quieter and more efficient than its predecessors.  Inverter technology and universal aperture mounting kit makes the IBIS 4 interchangeable with any RV Air Conditioner on the market.  



  • Automatic Display Brightness: Ambient light sensor automatically adjusts brightness of display
  • Auto Mode: Set temperature & system will decide mode and fan speed
  • Sleep Mode: Sleep mode reduces fan speed and compressor speed for reduced noise
  • Direct Mode Selection: Key modes are at your fingertips
  • Turbo Fan Speed: Higher fan speed for faster cooldown
  • Compressor Type: New Generation Variable Speed Compressor
  • LIN-BUS/CI-BUS: Connectivity with CI-BUS compatible control panels
  • Optimised Airflow: Increased efficiency and reduced noise
  • Low Fan Noise: 3 Standard Speeds (Less fan noise than IBIS3)
  • Low Profile ADB: 48mm height
  • 2 Piece ADB: Simplified assembly due to reduced number of ADB parts
  • Dual Cylinder Inverter Compressor: Reduced vibration highly effective



  • Weight: 40kg
  • Nominal (Compressor Capacity): 3600W
  • Cooling Capacity (ISO5151): 2625W
  • Heating Capacity (ISO5151): 3017W
  • Start-up Current: Less than 6.9A
  • Fan Speeds: 4 (Including Turbo Speed)
  • Roof Opening Fitment: 400 x 400mm or 360 x 360mm (universal) 
  • Dimensions: (L) 1112mm x (W) 758mm x (H) 230mm
  • Suits roofs thicknesses: From 20mm - 100mm, if above 100mm see - Extension Duct Kit Ibis MK4 
  • Best for vehicle length: up to 7m
  • Operating temperature range:  -2 degrees and 52 degrees 
  • Electric Rating (single phase): 220-240V
  • Airflow: 332 m³/h (High fan) , 496 m³/h (Turbo Fan)
  • Number of blower speeds: 4
  • Remote Control: Yes


Dometic Ibis 4 vs Aircommand Ibis 3 Dimensions


Want to replace your existing Caravan Air Conditioner with an IBIS 4?

Replacing your existing air conditioner has never been easier with the IBIS 4 being able to fit into both, 360mm x 360mm and 400mmm x 400mm roof cut-outs. Currently, all RV air conditioners across all brands are made to suit these two sized cut-outs mentioned above. Not all RV air conditioners are made to suit both and having a unit that fits all existing apertures takes the hassle out of selecting the right air conditioner for your caravan.   

Check that you have enough space available on your roof!  Whilst the Ibis 4 overall length is physically like most other brand air conditioners measuring in at 1120mm in length, the slightly different mounting offset can make the Ibis 4 sit a further 100mm back (approx.) from where your existing similar sized unit currently is positioned.  Any solar panels or hatches that are mounted extremely close to the rear of your existing air conditioner may hinder the installation of your Ibis 4.  To be safe - allow an extra 200mm of space behind your existing unit.  To be exact - you need 840mm minimum clearance measured from the centre of your roof cut-out rearward of free space.  




Brand Dometic

GTIN 6951218417484

Product Category RV Air Conditioners

Best For Vehicle Length Up to 7m

Cooling Capacity: 2625W

Dimensions: 758 x 230 x 1112 mm (W x H x L) (Rooftop Dimensions)

Roof Opening: 360 x 360 mm and 400 x 400 mm (W x D)

Weight: 40 Kg

NOTE: see full product specifications & further product info in the Description section on this page.

Warranty Period: 3 Years

Warranty Details: Please CLICK HERE for Warranty Information on this product

  • We ship Australia-wide with national road express freight companies such as Star Track, TNT and Toll.
  • Small Items are sent with Australia Post via regular post.
  • Delivery times are generally 3-5 days from day of dispatch for major cities (sometimes quicker). Please allow longer for regional and remote areas.
  • Once your item(s) have been dispatched, we will provide you freight tracking information so you can track your delivery to your door.
  • Items are fully insured during the freight process.
  • Unfortunately we cannot deliver to PO Boxes.
  • For further details on our Delivery Process you can visit our Delivery Page HERE.

Important Covid-19 Comment: during these difficult times, our dispatch and delivery times are longer than normal. Please allow additional days for delivery over and above the normal estimates outlined above.

Write a product review

Ibis 4 Air conditioner

By: on 11 October 2021

We were very pleased with the prompt service we received on our purchase, and dealing with a refund on small items not needed that we purchase for the installation, very very happy with our now very quiet caravan air conditioner..

Ibis 4 review

By: on 8 October 2021

We decided our near new 2012 Winnebago Ceduna :) purchased with 26000 Klm on it did not have a sufficient air conditioner on it (we thought air conditioners had come a long way since 2012). So after some investigation it appeared the Ibis 4 could be a good choice, so a call to Caravan RV gave me all the confirmation I needed , the gentleman on the phone was very pleasant and very knowledgeable so we placed the order that day and Lo an behold it arrived about 8 days later. It took 2 hours by a professional to remove the old one a fit the Ibis 4 we believe it is money well spent and after some testing it looks to be very good. Thank you Caravan RV camping for you great service

You beaut air cond!!

By: on 7 October 2021

I recently purchased a Dometic Ibis caravan air conditioner, which was done after doing some online research into various makes and models. We are more than pleased with our purchase. Brings the van very quickly to the desired temperature and we find that now when the air conditioner is running we no longer have to shout to be heard. I highly recommend this product.

Dometic air conditioner

By: on 23 September 2021

I’m looking forward to the installation of what seems to be an excellent product.

Dometic air conditioner

By: on 22 September 2021

I’m looking forward to the installation of what seems to be an excellent product.

  • I intend to run my Caravan Air Conditioner from a Generator as we will be staying in unpowered locations and my battery bank is not big enough to run the AC for very long. What size Generator do you recommend running my Caravan AC?

    The answer is quite simple, and it just depends on the Caravan Aircon model you have. If you have one of the newer Caravan Aircon models that include inverter technology within the compressor (such as the Dometic Harrier or Dometic Ibis4 Aircon models), then a 2000w inverter generator will be fine.

    If you have an Aircon model that does not include inverter technology within the compressor (of which there are many new and old Aircon models on the market that do not have inverter tech), then we would recommend a minimum 2200-2400w inverter generator. This is because the Aircon models without inverter technology in the compressor require a bit more power on start up.

    Please note that the above sizing advice does not take into consideration any other appliances running and drawing power from the generator at the same time as the Aircon is running.

    As a general rule, depending on the above criteria of Aircon compressor type, most of our Caravan customers will opt for a generator of around 2000 to 3500 watts in size. There are other larger inverter generator models available from 4000 to 6500 watts in size, but these are less commonly used by caravan/RV owners.

    Popular Caravan Generator models include:

  • Can I run my Caravan Air Conditioner from my Caravan Battery Bank?

    The short answer is yes, it is possible. However, there are a few extra important things to consider.

    The main thing is how long you will be able to run your Aircon for. Let us take one of the more popular and energy efficient Caravan Aircon models on the market: the Dometic Ibis4 Rooftop Aircon: The peak power draw is around 1400w to 1500w. So, you could use a quality 2000w+ inverter (note that Caravan Aircons are 240V) with say a 200ah lithium battery and you will get around 1-2 hours Aircon run time, before you must recharge the batteries again. Depending on how you recharge your batteries (DC to DC charger, solar, mains power etc.), this charging will take time.

    So once again; you can do it with certain batteries & inverters if you are aware of how that will affect your battery storage and charge loss... and knowing how to manage that system.

    You can get a larger lithium battery system to run your Aircon for longer, but obviously this will cost more, so that needs to be considered. It is certainly a big recent trend that our RV customers are installing quality lithium battery systems to run their Caravans/Motorhomes etc. However, running an Aircon unit can be one of the larger power drawing appliances in your van, so it pays to consider your power system's capabilities and how long you want to run the Aircon.

    If you are just pulling up for short stops (1-2hrs) and you are doing a lot of driving, you can run your Caravan Aircon from your lithium batteries for this short time. Many RV owners do this, and as new Caravan Aircon models become increasingly energy efficient and lithium battery advancements evolve to be cheaper, more powerful, and even lighter, then we will certainly see this trend increase. However, currently the popular and often cost-effective choice to run your Aircon if you do not have access to mains power (i.e., free camping) is to use a small inverter generator. You can get a quality 2000-2400w sized inverter generator from around $1,000-$1,500 and these will run many RV Aircon units for 7+ hours before having to refuel.

    So once again, you can use a battery system, but it is not always the most practical option. For more advice on Power Systems to run your Caravan/RV, feel free to give us a call on: 1800 787 278.

  • I'm looking at buying one of your Caravan Air Conditioner models for my 20ft Caravan. What do I need to know about installation and set once I get the AC unit delivered?

    Hi there, fitting and Install instructions come with each Aircon unit, but it is advised a qualified installer (electrical contractor) undertakes the installation.

  • What are the noise levels of your Caravan Air Conditioner units? I'm looking for a quiet model.

    This is a commonly asked question by Caravan/RV owners; however, it is unfortunate that Caravan Aircon manufacturers do not provide dBA ratings in their product model specifications. 

    We can say that we only sell high quality Air Conditioners from premium brands in the RV industry. The only time we have encountered an issue with noise is when the install was not undertaken correctly which can cause a rattle. However, if you ensure the install is done properly, there will be no issues with any of our RV Aircon units being too noisy. 

    One other piece of feedback we can provide, is that the two latest Dometic Aircon models (Harrier and Ibis4) have inverter technology within the compressor, meaning any vibration is minimised. Our customers and our internal testing suggest that when these models are operating at high cooling mode, the noise level is very, very low, making them arguably the quietest Aircon models in the market.

  • Does the Aircon unit come pre gassed ready to go or does it need to be charged?

    Hi There,

    Yes, the Aircon is pre gassed from factory and is ready to install.

  • We have an older model ibis Mkll and are looking to upgrade to a new unit after feeling the heat this summer whilst on our holiday break, we have noticed the new Aircommand Ibis MK4 is now available and the unit looks fantastic. Just wanting to know if it will fit in the same size hole in our roof? Is it a direct replacement for previous models? Many thanks in advance.

    Hi There, yes, the new Ibis Mk4 has taken the RV market by storm.

    There have been multiple upgrades to the unit which intern is leaving the rest of the rivals in its wake. The Ibis Mk4 has a integrated adaption kit to suits existing apertures 400 x 400mm or 360 x 360mm there for making it a suitable replacement for all previous models of the Ibis and almost every RV air conditioner on the market.

  • Hi, I have an Aircommand sparrow installed on my full height caravan and is over 8 years of age. I'm wanting to upgrade to a bigger more powerful unit but still want to keep a sleek low-profile design as I don't have much room to fit under my garage. Is the Ibis MK4 a low-profile design?

    Hello, Yes, the Ibis Mk4 is one of the most low-profile sleek designs on the market. The total height of the unit is 230mm making it only 15mm higher than your Aircommand Sparrow, fingers crossed for you and hope this suits.

  • Hi, we have an old Dometic roof top air conditioner on our caravan and are interested in the Ibis Mk4. What is the overall installed weight of this unit? As we are right on the border with our weight levels as it is.

    The total installed weight of the Ibis Mk4 is 40Kgs, 8Kgs lighter than the previous model which means every little bit to its user as the authorities are cracking down on road users who are overweight with their caravans, trailers etc.

  • Hello, I own a pop top caravan and am very interested in the new Dometic Ibis MK 4. I have already purchased the H-frame to suit and was just wondering if this unit will still fit my roof thickness as the H-frame nearly doubles my roof thickness. Any ideas would be greatly appreciated?

    Hi, great question, the Ibis MK 4 accommodates roof thicknesses from 20mm - 100mm. If your roof thicknesses goes beyond 100mm you will need to purchase an Extension Duct Kit - Ibis MK4, for every 10mm over you will need one duct per every 10mm.

    I hope this helps and thank you for your enquiry.

  • How often do I need to service my Dometic RV/Caravan appliances?

    Dometic recommend servicing their gas appliances on a yearly basis, even if the vehicle has not been used.

    Additionally, bear in mind that insects can built nests in the gas appliances which will cause the appliances to stop working. It can also cause potentially dangerous scenarios.

    For other appliances, such as refrigerators and air conditioners, to ensure the appliances to work efficiently and last longer it is recommended to clean the condenser.

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