Autoterm 4D Diesel Heater 24V – Standalone Heating for Trucks, Boats, Motorhomes, and Cabins

The Autoterm 4D Diesel Heater (24V) is a purpose-built heating solution for large spaces where reliable warmth is essential and engine idling is undesirable. Designed for rugged vehicles and vessels, this compact, standalone unit delivers fast, even heat to keep crews comfortable in extreme conditions—without exhaustively running the engine.

Key capabilities that keep you warm and efficient

• Powerful warmth for big spaces: 4.0 kW at high heat performance, with a gentler 1.0 kW economy option for steady, economical warmth.
• High air delivery for rapid comfort: Up to 168 m3/h on high, or 70 m3/h on low, ensuring quick heat distribution through cabins, cargo holds, and salons.
• Efficient fuel use: 0.51 L/h at max power or 0.12 L/h in economy mode, helping to minimize running costs on long deployments.
• 24V electrical compatibility: Draws 57 W on high, 10 W in economy, compatible with standard vehicle electrical systems.
• Quiet operation for focused work and rest: Built with brushless induction motors to reduce noise and extend service life.
• Extreme-temperature reliability: Operates reliably down to -45°C, ideal for remote winter deployments.
• Compact, flexible footprint: Dimensions 402 × 157 × 188 mm make installation feasible in tight engine bays, cabins, or cargo areas.
• Adaptive air intake: Uses external air or a well-ventilated interior supply to suit installation needs and space constraints.
• Easy retrofits: Designed to integrate with 24V vehicle electrical systems across trucks, motorhomes, boats, cabins, and fleets.

Why this standalone heater matters

In cold weather, waiting for the engine to warm the cab or living space wastes fuel and time. The Autoterm 4D provides independent, rapid warmth that makes early starts comfortable, reduces engine idling, and lowers operating costs over the life of a vehicle or vessel. Its compact form and versatile air intake options give you freedom to position the unit where heat is most needed, while quiet, brushless motors keep cabin noise to a minimum so work, sleep, and travel remain peaceful.

Ideal use cases

• Long-haul trucks needing reliable sleeper cab warmth without idling the engine.
• Commercial boats and yachts requiring fast, even heating in cabins and cargo spaces.
• Motorhomes and RVs where space is at a premium but warmth during winter trips is non-negotiable.
• Remote work sites and cold-weather deployments where quick comfort and low running costs matter.

What makes Autoterm 4D stand out

Unlike small, portable heaters, the 4D is built for demanding environments. It combines a robust 4 kW heating capacity with high air throughput and ultra-low operating noise, all within a compact chassis that fits tightly in engine bays, cabins, or cargo areas. The ability to pull outside air or interior ventilation means you can tailor the installation to your space, ensuring even heat distribution and efficient operation in any layout. When you need dependable warmth that won’t compromise your operational schedule, the Autoterm 4D diesel heater delivers.

Experience warm confidence in frigid conditions—install Autoterm 4D 24V and transform how you heat large spaces.