Webasto Air Top Evo 55 Heater

The Webasto Air Top Evo 55 is the most powerful air heater in the Webasto range, designed to provide reliable and consistent heat in the most extreme conditions. Operating exclusively on diesel, it is perfectly suited for large camper vans, RVs, trucks, buses, and commercial vehicles requiring high heating power.

With a maximum power of 18,800 BTU/h (5.5 kW), the Air Top Evo 55 is ideal for very cold environments and large volume spaces.

Maximum performance in extreme conditions

The Webasto Air Top Evo 55 is designed to operate reliably:

• In very low temperatures

• At high altitude thanks to automatic compensation up to 2,200 m

• Without requiring engine idling

It provides fast, even, and powerful heat directly into the cabin, while using the vehicle's diesel fuel.

Quiet, economical, and autonomous

Despite its high power, the Air Top Evo 55 remains:

• Very quiet, ideal for nighttime use

• Fuel-efficient for its category

• Low electrical consumption (12 V DC)

It heats the vehicle efficiently without idling the engine, offering an autonomous, cost-effective, and energy-efficient solution.

Consistent thermal comfort and intelligent control

Thanks to its advanced air and fuel flow management system, the Webasto Air Top Evo 55:

• Maintains a stable temperature

• Optimizes energy consumption

• Provides comfortable and continuous warmth

It is compatible with Webasto control systems for simple and intuitive heating management.

Flexible and versatile installation

The Air Top Evo 55 is designed to fit multiple installation configurations:

• Inside the vehicle

• In double floor

• Under the vehicle (underbody)

⚠️ Important note: some installation accessories may be required depending on the vehicle type and are not included.

Main features

• Autonomous air heating diesel

• Maximum power: 18,800 BTU/h (5.5 kW)

• Designed for large volumes and harsh climates

• Quiet operation despite high power

• Very low electrical consumption

• Automatic altitude compensation

• Compact and robust design

• Recognized Webasto quality and reliability

• Advanced flame detection

• Compatible with vehicles carrying hazardous materials

• Full diagnostics available via PC interface

Technical specifications – Air Top Evo 55

General data

• Voltage: 12 V DC

• Fuel type: Diesel only

• Warranty: 2 years

Performance

• Heating power: 1.7 – 5.0 / 5.5 kW

• Thermal power: 18,800 BTU/h (5.5 kW)

• Fuel consumption: 0.25 – 0.70 / 0.80 L/h

• Electrical consumption: 15 – 95 / 130 W

• Heated air flow (0.5 mbar): 200 / 220 m³/h

• Operating temperature range: -40 °C to +40 °C

• Automatic altitude compensation: up to 2,200 m

Dimensions & weight

• Dimensions (L x W x H): 423 x 148 x 162 mm

• Weight: 5.9 kg (13.01 lb)

Why choose the Webasto Air Top Evo 55?

The Webasto Air Top Evo 55 is the ideal solution for those who need maximum heating power, without compromising on silence, reliability, and energy efficiency. It is the preferred choice for high-end conversions, northern climates, and users who want constant warmth, no matter the conditions.