Alde Compact 4000 D Hot Air and Water Heater image 1 Alde Compact 4000 D Hot Air and Water Heater image 2

Alde Compact 4000 D Hot Air and Water Heater

£4999.99 - £5999.99 (inc VAT)
BRAND : Alde
Plus   Standard   
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Please note that the prices have not been fully decided by Alde. As soon as we have confirmed prices, we will allow ordering. Alde are also developing specific kits for specific campervans that will follow.


The Alde Compact 4000 D series represents the latest advancement in diesel-powered hydronic heating for motorhomes, caravans and campervans. These Swedish-engineered systems combine diesel and electric power sources to deliver up to 9kW of heating output whilst providing integrated hot water production. Unlike traditional blown-air systems, these hydronic heaters circulate heated glycol through convectors and pipes, creating silent, draught-free warmth that distributes evenly throughout your vehicle.

Both models in the 4000 D range operate across two power ranges: 1-6kW diesel and 1-3kW mains electric, allowing flexible operation whether you're on hook-up or wild camping. The diesel operation draws directly from your vehicle's fuel tank, eliminating the need for separate gas bottles or frequent LPG refills. The systems feature dual-zone heating control, letting you set different temperatures in separate areas of your vehicle, plus modern digital control panels for easy operation.

The key difference between the standard 4000 D and the Plus model lies in hot water delivery - whilst the standard version provides hot water from a 10-litre tank, the Plus offers continuous hot water production at up to 4 litres per minute. Installation requires professional fitting due to the flue arrangements and glycol system complexity, but both models suit a wide range of vehicle types from compact campervans to large A-class motorhomes.

High output
Being able to combine two power sources, electrical and diesel, the Alde Compact 4000 D Plus delivers an impressive total output of 9 kW. This dual-power capability ensures robust and reliable heating performance, making it suitable for a wide range of climates and conditions.

Advanced Dual-Zone Heating Option
Building on the success of Alde's previous models, the Alde Compact 4000 D Plus offers an advanced dual-zone heating option. This allows users to set and control temperatures in two distinct zones within their vehicle.

Premium Silent and Even Heat Distribution
The Alde Compact 4000 D Plus continues our tradition of providing premium silent and even heat distribution. The smart Alde system, based on convection technology, ensures that every vehicle is heated quietly and efficiently, creating a comfortable environment without noise or temperature fluctuations.



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If you’ve changed your mind about keeping your purchase, please return it in its original condition with proof of purchase and we’ll exchange or refund it. Unless faulty, this should be within 100 days of receiving your order. By original condition, we’d expect this to mean that you’ve kept packaging and labels, and that the item is undamaged and unused.

For further information of how to return your item, please visit the "Returning an Unwanted/Faulty/Damaged Item" section on our Help Page.

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