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Core Features & Benefits
Efficient Gasoline Air Heater for Your Vehicle
Stay warm and operational off-grid with quiet, reliable heat and minimal power draw. The compact Espar Airtronic S3 B2L gasoline heater delivers up to 6,800 BTU (2.0 kW), offering precise temperature control through the EasyStart Pro Controller.
Benefits & Use Cases
The Espar S3 B2L provides fast cabin warm-up, stable overnight comfort, and clean gasoline operation - making it an ideal choice for vehicles that don’t carry diesel fuel. Built for professional operators and vehicle builders, this heater keeps you comfortable and efficient in any environment.
Smooth, even airflow for consistent comfort
Low electrical consumption - ideal for battery-first and off-grid systems
Ultra-quiet operation for uninterrupted rest
Compact footprint - easy under-seat or storage-box installation
Compatible with the EasyStart Pro controller for intuitive temperature control
Vehicle Compatibility
Designed for gasoline-powered vehicles that operate independently of the engine’s cooling system, including:
Van conversions and camper builds - for weekend adventures or full-time travel
RVs and small motorhomes - quiet, efficient heating for off-grid camping
Truck sleepers and long-haul fleets - reliable heat without idling
Construction, agricultural, and industrial vehicles - maintain cabin warmth during downtime
Utility and emergency service vehicles - dependable heat for on-duty crews
Electric and hybrid vehicles - efficient auxiliary heating solution
Not suitable for diesel applications or marine use.
