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Core Features & Benefits
Quiet Diesel Air Heater for Efficient Comfort in Your Vehicle
Experience fast, quiet warmth with low fuel consumption and reliable starts in extreme cold. The Espar Airtronic S3 D2L 12V diesel air heater delivers 2,900–7,500 BTU (0.85–2.2 kW) of clean, efficient heat — controlled precisely with the EasyStart Pro controller.
Benefits & Use Cases
The Eberspacher / Espar D2L is built for professional operators, fleet owners, and custom builders who need dependable heat in demanding environments. Its compact design, automatic altitude adjustment, and smooth modulation make it ideal for year-round operation — whether on the road, at the job site, or off-grid.
Latest generation Eberspacher D2L model
2 Year North American Warranty included
Supplied by an official Eberspächer US dealer - no import tariffs in the US
Efficient diesel combustion for maximum fuel economy
Ultra-quiet operation for restful nights and low cabin noise
Automatic altitude adjustment up to 13,120 ft (4,000 m)
Low electrical consumption — perfect for battery-supported systems
Compact form factor — fits under seats or in tight compartments
EasyStart Pro Controller for scheduling and precise temperature control
Technical Specifications
Fuel: Diesel (HVO/GTL compatible)
Voltage: 12V
Output: 2,900–7,500 BTU (0.85–2.2 kW)
Fuel consumption: 0.02–0.07 gal/h (0.10–0.27 L/h)
Power draw: 6–27 W during operation
Max altitude: ≈13,120 ft (4,000 m) automatic altitude adjustment
