AUTOTERM Mini 2KW Diesel Heater

Sparks Overland AUTOTERM Air 2D Portable Mini Diesel Heater
 
Big heat. Small footprint. Built for extreme conditions.
 
Stay warm wherever the trail takes you. The Sparks Overland AUTOTERM Air 2D Portable Diesel Heater delivers dependable heat for overlanding, camping, van life, RVs, and off-grid use. This compact 2kW system is 37.8% smaller than our original model, yet engineered to perform in the harshest environments on earth.
 
Designed and hand-built in Colorado using the proven AUTOTERM Air 2D — trusted by professionals, expedition crews, and serious cold-weather travelers worldwide.
 
• Up to 2kW heat output
• Premium AUTOTERM diesel system
• 2-Year Warranty Included
 
Production & Lead Time
Each heater is hand-built with hours of skilled labor, quality control & rigorous testing. 
 
Please allow 4–6 weeks for production, plus shipping.
 
Why Sparks Overland?
Built the Right Way — Inside & Out
 
Real Metal Fuel Tank
No plastic here. Our sealed, pressure-vented stainless steel fuel tank is safer, stronger, and built for long-term field use.
 
Fuel That Stays Warm
The fuel tank is mounted inside the heater enclosure, protecting diesel from freezing temperatures and fuel gelling in extreme cold.
 
A Proven AUTOTERM Core
Powered by the AUTOTERM Air 2D, known for exceptional reliability, efficiency, and high-altitude performance. Trusted worldwide in mountains, polar climates, and remote terrain.
 
Premium Components Only
Kawasaki snowmobile fuel lines, stainless exhaust with muffler, and carefully selected hardware throughout. Every component is chosen for durability — not cost-cutting.
 
Fresh Air Design
Combustion air is drawn only from outside the unit. No engine-bay fumes. No lingering chemical odors inside your tent or camper.
 
Hand-Built in Colorado
We don’t mass-produce. Each unit is built by skilled hands, one at a time, with real craftsmanship and attention to detail.
 
What’s Included
1.9-gallon stainless steel fuel tank (flat design, pressure relief)
AUTOTERM Air 2D diesel air heater
Mountable legs
Quick-connect duct + 27" fully expanded ducting
12V cigarette-lighter power plug
Thermostat controller
Silicone fuel funnel
Accessory bag (cables & hardware)
Silicone Air Intake Travel Cap
Instruction manual
 
Power & Performance
Up to 2.0 kW heat output
Heated air volume up to 86 m³/h
High-altitude tested to 13,375+ ft
Automatic air-fuel adjustment
Proprietary combustion design with 30% lower exhaust temps
 
Efficiency
Advanced heat exchanger for optimal fuel economy
Extremely low fuel consumption
Reduced emissions and operating costs
 
Quiet Comfort
Brushless fan motor for long life and silent operation
Low-frequency fuel pump with minimal ticking
Quiet enough for uninterrupted sleep
 
User-Friendly Control
App-based temperature, fan speed, and mode control
Real-time system monitoring
 
Portability & Installation
Compact, lightweight design
Mounting brackets for fixed or portable use
Ideal for rooftop tents, campers, trailers, and off-grid shelters
 
Safety
High-temperature limit switch & flameout protection
Automatic shutdown for low fuel or overheating
Weather-sealed controller for outdoor reliability
 
Reliability
Genuine AUTOTERM glow plug with 3× lifespan
Components proven in extreme cold (down to -45 °C / -49 °F)
 
Specifications
Heater Output: 2.0 kW (max) / 0.8 kW (min)
Fuel Type: Diesel (EN590)
Fuel Consumption: 0.10–0.24 L/hr
Operating Voltage: 12V 
Max Altitude: Up to 14,000 ft with high-altitude control
Operating Temp: Down to -49 °F
Dimensions (heater): 20" x 12" x 12.5"
Weight (heater): 36 lbs
Fuel Tank: 1.9-gallon stainless steel
 
Why Choose AUTOTERM?
AUTOTERM heaters are trusted worldwide by expedition teams, commercial fleets, military units, and cold-weather professionals who operate where failure is not an option.
 
The AUTOTERM Air 2D is engineered for maximum reliability, efficiency, and longevity, especially in extreme cold and high-altitude environments.
 
Choose AUTOTERM if you want:
 
Proven performance in extreme cold (-49°F) 
Ultra-quiet operation for sleeping environments
Exceptionally low fuel consumption
Long service life with minimal maintenance
A heater trusted by professionals operating off-grid year-round
 
When paired with Sparks Overland’s hand-built enclosure, stainless fuel system, and premium components, the AUTOTERM Air 2D becomes a top-tier portable heating solution for serious adventurers