FAQ

Yes, switching from an LPG system to the Alde Compact 4000 D is possible, but it requires adjustments to the fuel line and flue setup. Professional installation ensures a smooth transition.

Absolutely. The Alde Compact 4000 D is compatible with booster fans, heating mats, radiators, and more.

The Alde Compact 4000 D is compatible with standard EN590 diesel and HVO100 renewable diesel, providing flexibility and future-ready fuel options.

Very. The 4000 D draws diesel directly from your vehicle’s tank—no adapters, no gas bottle swaps, and diesel is available at nearly every fuel station.

You can use both Diesel and electricity at the same time, giving you a higher maximum power output (up to 9.2 kW).

Yes, the Alde Compact 4000 D Plus model offers continuous hot water, making it perfect for longer showers and multiple users.

The Alde Compact 4000 standard provides approx. 12 L 40 °C water each 30 minutes.

It is well known that a Diesel heater may be more noisy than a gas heater. But with fine tuning of hardware, smart logics and correct installation the Alde Compact 4000 D operates with whisper-quiet performance, ensuring a comfortable and peaceful environment inside your vehicle.

For more information, visit the product page for Alde Compact 4000 D alt. Alde Compact 4000 D Plus, contact your nearest Alde Service Partner or contact our sales team.

The Alde Compact 4000 D is available through our network of authorized dealers. See the service finder map to find a dealer near you.

Contact your local Alde dealer or service partner. You can also reach out to Alde directly—we’re here to help.

Professional installation is recommended to integrate the diesel fuel line with your vehicle’s tank. The flue setup differd from LPG systems, allowing only different types of side flue positioning. Consult the Alde Compact 4000 D installation manual for more information.

Yes, the Alde Compact 4000 D is built for all-season camping, performing reliably in everything from summer heat to deep winter cold. The system is engineered and manufactured in Sweden, with extensive knowledge of could and rough climates.

The Alde Compact 4000 D taps directly into your vehicle’s diesel tank, providing heating and hot water (continuous hot water with plus model) without the need for external gas bottles. It’s designed for long-distance and remote travel, ensuring comfort wherever you go.

Yes, the Alde Compact 4000 D is compatible with HVO100 renewable diesel, offering a lower environmental impact and future-ready fuel options.

Diesel fuel is readily available across Europe and globally, making it convenient for long-distance travel. It eliminates the need to carry and refill gas bottles, and the Alde Compact 4000 D’s stepless burner provides smooth and efficient heat output.

Yes, provided it’s installed according to safety regulations. It’s designed to deliver comfort on the move.

The Alde Compact 4000 D uses diesel fuel, while the Alde Compact 3030 uses LPG (propane/butane). The 4000 D is equipped with a stepless diesel burner, HVO100 compatibility, and is perfect for off-grid use, the 3030 is LPG-powered and ideal for campers who prefer gas or stay at campsites with electric hookups.

The Alde Compact 4000 D is a premium diesel-powered hydronic heating system designed for motorhomes, caravans, and vans. It provides quiet, even warmth and reliable hot water, making it ideal for off-grid adventures and long-distance travel.

If your Alde system is new or has just been serviced, the technicians may have left your 12 V inline circulation pump on Speed 4–5 for bleeding. This can be noisy. Lower the speed on the pump mounted on the side of the Alde boiler. Speed 2–3 is ideal for most installations.

All models of the Alde Compact 3030 and 4000 D are equipped with a 3 kW output, divided on 1 x 1 kW and 1 x 2 kW electric cartridge.

In the Alde Compact 3030/4000 D Plus you have unlimited hot water, as long as there is water in the fresh water tank.

The standard Alde Compact 3030/4000 D has a hot water tank with a volume of about 10 litres of hot water at >50°C. When the hot water is mixed with cold water (approx. 10 °C) to the normal user temperature of approx. 38 °C, this results in approx. 12 litres of hot water every 30 minutes.

The colder the water, the longer it takes to heat up. If 230 V electric cartridge is used instead of gas/diesel, the capacity is slightly reduced. The “extra hot water” function on the Alde control panel raises the water temperature to > 65°C for 30 minutes. This means ≈ 15 litres of heated water, mixed and ready.

Set the desired room temperature to well below ambient on the control panel. As the Alde Compact is a combination boiler, it heats both heating fluid and hot water simultaneously. If the desired temperature is set about 5°C below the ambient temperature on the control panel, the heating fluid will not circulate to the convectors because the circulation pump will be stopped.

For 3010/3020: Under the pump operation symbol on the control panel, THERM must be activated (green).
For 3030/3030 Plus: Auto must be indicated at the pump.

Make sure the heating system is vented. Make sure that ventilation slots in furniture are not blocked. Use maximum power on the electric cartridge and gas/diesel during heating. Avoid running hot water for showers etc. until the vehicle is heated. Do not let the temperature in the vehicle drop below 10°C during the day/evening.