Diesel heaters and heating systems for boats, campers, and off-grid use

I offer diesel heaters, hydronic systems, spare parts and installation components for those who want a reliable heating solution on board or on the road. You’ll find both complete systems and the right parts for installation, service and upgrades.

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Build the right heating system

Get an overview of heaters, ducting, fuel components, exhaust parts, controls and spare parts for your setup.

Authorized dealer & service partner

Autoterm diesel heaters

Reliable diesel heaters built for professional use. As an authorized dealer and service partner, I provide the right setup, proper guidance, and ongoing support.

Professional-grade quality
Built for demanding conditions
Autoriseret service og support

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Danish importer

Sunster diesel heaters

Modern diesel heaters with Bluetooth control and easy operation. A robust solution for boats, campers and off-grid setups.

App and display control
Hurtig og stabil opvarmning
Ideal for boats and campers

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Affordable performance

JP Heater diesel heaters

A reliable and cost-effective solution for those who want diesel heating without overpaying. JP Heater delivers dependable warmth for boats, campers and off-grid use – ideal as a first setup or a smart alternative to premium brands.

Pålidelig varme til en fantastisk pris
Perfect for boats, campers and recreational use
Nem installation og hurtig opstart

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Budget-friendly

Nordkap diesel heaters

A solid solution if you want diesel heating without a large investment. Ideal for smaller boats, campers, and occasional use.

Fantastisk værdi
Ideal for smaller setups
Perfekt starterniveau varmelegeme

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Comfort & all-season use

Hydronic heating systems

Hydronic heating provides even and comfortable heat throughout your boat. Ideal for those who want maximum comfort and a system that works year-round.

Jævn varmefordeling
Supports radiators and underfloor heating
Perfect for year-round use

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Installation and heat distribution

Air ducting system for diesel heaters

A properly designed air ducting system ensures efficient heat distribution throughout your boat or camper. With the right ducts, vents, and fittings, you get the most out of your diesel heater.

Jævn varmefordeling
Flexible installation
Maksimerer varmeeffektiviteten

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Safe and correct installation

Installation parts for diesel heaters

The right installation parts are essential for a safe and reliable setup. Here you’ll find everything from mounting plates and thru-hull fittings to brackets and accessories – ensuring your diesel heater is installed correctly the first time.

Safe and compliant installation
Suitable for marine and RV use
Reducer fejl og problemer

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Brændstofforsyning

Fuel system for diesel heaters

A reliable fuel system is essential for consistent heater performance. Here you’ll find everything from fuel lines and filters to pumps and tank fittings – ensuring a steady and dependable fuel supply.

Stable heater operation
Compatible with marine and camper setups
Reduces failures and downtime

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Repair and maintenance

Spare parts for diesel heaters

Keep your diesel heater running with the right spare parts. Here you’ll find everything from glow plugs and pumps to fans and control units – helping you repair and extend the life of your system.

Forlænger varmelegemets levetid
Easy replacement of wear parts
Original and compatible parts

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Control and supervision

Controls and electronics for diesel heaters

Take full control of your diesel heater with modern controls and electronics. Here you'll find displays, control panels, sensors, and circuit boards for optimal performance and easy operation.

Nem varmestyring
Præcis temperaturstyring
Diagnostics and monitoring

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Help choosing the right setup

What should you choose?

The right heating system depends on available space, boat type, power requirement and how you use the installation.

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Air heaters – fast and efficient heating

Air heaters are the most common solution when you want fast heat in boats or campers. They are easy to install and provide even and comfortable heat distribution.

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Hydronic heating – stable and comfortable heat

Hydronic heating is ideal when you want a more even and comfortable heat – for example, through radiators or underfloor heating. Perfect for larger boats, year-round use and setups with higher comfort requirements.

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Komplette dieselfyringssæt

Complete kits include everything you need to get started right away. Ideal if you want a simple solution without having to piece the system together yourself – and ensure all components fit together.

Why choose SejlStrøm for heating?

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Personal guidance

I help you choose the right solution – from heater to installation and spare parts, so everything fits together.

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Danish importer

I import Sunster products myself and maintain direct communication with the manufacturer, ensuring you get access to the right solutions, up-to-date knowledge, and competitive pricing.

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