Anyone who has ever woken up in the height of summer on the Côte d’Azur or on a cool October morning in a Norwegian fjord knows: How relaxing a trip is depends not only on the view, but also on the climate in the vehicle. That’s why we wanted to know exactly what it is like to travel in our „Technology category“ series and we hired a real expert to come to the trade show.
Tom has been with Ahorn Camp for twelve years and knows the products inside out. Together, we went through the topics we discuss almost daily in the sales conversation: air conditioning, heating, and gas supply. You can watch the entire conversation in the video. We have summarized the most important answers for you in this post.
Almost every camper in Europe knows the name Truma. The company was founded in 1949 by Philipp Kreis and is still a family business based in Putzbrunn near Munich. Its portfolio includes heating and air conditioning systems, hot water boilers, camping systems, and systems for power and gas supply.
The industry also regularly recognizes this quality. In the reader poll of promobil and CARAVANING 2026, Truma ranked first in the category „Heaters“. Truma has defended this position every year since 2018. Additionally, the company received the European Innovation Award 2026 in the Technology category.
Truma is one of our most important component partners. Heating, hot water and the control panel in our vehicles are standard Truma equipment, and we also rely on the Aventa series for air conditioning systems. As a selected Truma partner, we offer the 5-year parts warranty from Truma.
Keep receiving Aventa air conditioners.
Another advantage is the service. Since 1972, Truma has operated its own mobile customer service network in Germany. If a problem arises, you can call the
Call the Truma hotline, and a technician will come to you or to your dealer with the service vehicle.
An air conditioning system is now almost standard equipment in a motorhome, especially when traveling to the south. Truma offers roof air conditioning systems in the Aventa series, which are now available in a second generation. The Aventa of the 2nd generation was awarded 2nd place at the European Innovation Award 2026.
This is what distinguishes the 2nd generation
| Aventa Compact Plus | Aventa Comfort (2nd Generation) | |
|---|---|---|
| Cooling capacity | 2,200 W | 2,500 W |
| Power consumption | max. 5 A | - |
| Weight | 24.2 kg | under 30 kg |
| Ideal for | Campervans | Part-integrated and alcove |
| Special feature | Compact, leaves space for solar modules | Largest system in the Truma portfolio |
Both models are available in white or black, with air distributors in the colors Cappuccino or Stone. The Aventa Comfort of the 1st generation (2,400 W, single compressor) is still available. However, the 2nd generation has been further developed in all the aforementioned aspects.
The centerpiece of the heating system in motorhomes is the Truma Combi. It heats the interior and simultaneously produces hot water. It is available in several variants. The E versions have integrated electric heating elements with 900 or 1,800 W. In mixed operation with fuel and electricity, the large models heat up up to 6,900 W, thereby heating up up to 25 percent faster. You only heat the large models with mains electricity in pure electric mode. This is not practical because of the high power output due to the inverter.
| Variant | Energy | Heating output | Hot water |
|---|---|---|---|
| Combi 4 / Combi 6 | Gas | 4,000 / 6,000 W | 10 l |
| Combi D 4 / Combi D 6 | Diesel | 4,000 / 6,000 W | 10 l |
| E-variants („Heat Hybrid") | additional power (230 V) | + 900 / 1,800 W electrically | 10 l |
Hardly a question we hear more often in a sales conversation. Gas and diesel heating are identical in design and hot water volume; the difference lies in the burner. In practice? For those who heat with gas, cook, or use an absorption refrigerator, Truma solutions can make the gas supply more comfortable and safer:
DuoControl, Crash Sensor and EisEx are offered as a complete gas system package, either as standard equipment or as an aftermarket option at our service center in Speyer. The LevelControl is not available as standard equipment, but you can have it retrofitted by us at any time.
Important: Decide before buying a vehicle. The choice between gas and diesel is difficult to change later, and the electric heating elements cannot be retrofitted.
| Gas heating | Diesel heating | |
|---|---|---|
| Fuel | Gas cylinders needed | From the vehicle tank, available everywhere |
| International travel | For example, gas is not readily available everywhere in Scandinavia. | Simple |
| Operational noise | Very quiet | A little louder, with a gentle ticking sound from the fuel pump |
| Odour | Hard to detect | Mild diesel odor due to combustion |
| 12-V power consumption | Low | Higher, especially at start-up |
| Efficiency | Almost at the same time | Almost at the same time |
Anyone who heats with gas, cooks or uses an absorption refrigerator can make the gas supply more comfortable with three Truma solutions:
Standardly available in all series
All part-integrated, mobile homes and campervans are equipped with a Truma Combi 4 gas heater with 4 kW. In addition, there is the Truma CP+ digital control panel with time control. The hot air is distributed via outlets in the living area, the bathroom and, depending on the model, also in the driver's cab and garage. Depending on the model, you can instead choose a more powerful gas-electric heater or a diesel heater.
| Equipment | Semi-integrated | Alcove | Campervans |
|---|---|---|---|
| Diesel heating Combi D 6* | T 590, T 690 | All models | CV 560, CV 630 |
| Gas-Electric heating Combi 6 E* | All models | All models | All models |
| Roof air conditioning | Aventa Comfort | Aventa Comfort | Aventa Compact Plus |
| 230-V preparation for the air conditioning system | From the factory | From the factory | It is installed by us during installation |
| Gas system package (DuoControl, Crash sensor, EisEx) | From the factory or retrofit in Speyer | From the factory or retrofit in Speyer | From the factory or retrofit in Speyer |
| Truma LevelControl | Retrofitting | Retrofitting | Retrofitting |
* Must be decided before purchasing the vehicle and cannot be retrofitted.
You are already on your way with your Ahorn Camp and would like an air conditioning system? Our Aftersales team is happy to advise you and install it in our service centers in Speyer, Dietzenbach and Mülheim an der Ruhr, as well as with our service partners. The installation usually takes three to four hours. Further accessories for your motorhome can be found in our online shop. Accessories shop.
Here is the weight tool tip