High-output Diesel Air Heater for Fast Warm-ups in Bigger Cabins
Heat large vans, RVs, and work trucks quickly—without idling. The Webasto Air Top EVO 55 delivers 17,100 BTU (5 kW) with low 15–95 W rated draw and simple rheostat manual control, giving reliable, quiet warmth in demanding conditions. Looking for a Webasto diesel heater with proven performance? This 12V kit is built to last.
Benefits & Use Cases
Made for bigger spaces and colder climates, the EVO 55 keeps crews comfortable through long shifts and overnight stays while reducing engine hours and fuel waste.
- Rapid cabin heat for large vans, RVs, and specialty vehicles
- Low electrical consumption for off-grid camping and job sites
- Quiet operation and steady airflow for restful sleep
- Durable design for commercial duty cycles and frequent use
Technical Specifications
- Fuel: Diesel
- Voltage: 12V
- Heat output: 17,100 BTU (5 kW)
- Fuel consumption: 0.06–0.17 gal/h (0.18–0.67 L/h)
- Power draw (rated): 15–95 W (boost up to ~130 W)
- Max operating altitude: 7,200 ft (2,200 m)
- Heater body dimensions: 16.7 × 6.4 × 5.8 in (423 × 162 × 148 mm)
- Certifications: ECE-R10 (EMC), ECE-R122 (heater)
- Warranty: 2 years
Part numbers:
- Complete kit: 5011177B
- Heater only: 5014280A
- Alternative formats: 5011177; 5014280
Browse Webasto Manuals & Technical Documentation
Vehicle Compatibility
- Conversion Van
- Light Medium Duty
- Motorized RV
- Coach / Transit Bus
- Commercial Truck
- Cargo
- Off-Highway
- Municipality
- Ground Support Equipment
- Emergency & Specialty Vehicle
Kit Includes
- Webasto Air Top Evo 55 12V Diesel Heater
- Rheostat Manual Controller
- Fuel metering pump with inline filter
- Electrical harnesses and connections (4.3 m / 14ft)
- Exhaust pipe 24mm (1.m / 3.9ft)
- Air inlet and outlet grille
- Fuel line ( 4m / 13ft)
- Fuel Standpipe
- Mounting Plate with gasket and base seal
- 90mm ducting ( 1.5 m / 4.9 ft)
- Installation manual