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Rooftop air-conditioning 
systems

Rooftop air-conditioning systems from Webasto cool the interiors of buses of various sizes as well as construction machinery, commercial and specialty vehicles. Many models also have an optional heating function. They are designed to minimize air resistance and are easy to install and maintain. A comprehensive range of accessories allows for individual installation concepts. The housings can be painted in the color of the vehicle.

Benefits of rooftop air-conditioning systems

Versatile applications

Suitable for customized integration into a wide range of vehicles.

Efficient operation

The system uses intelligent fan and compressor control to support efficient operation.

Reliable performance

High-quality components ensure durability and reliable performance.

Product overview rooftop air-conditioning systems

  • Cool Top 120-e

    Cool Top 120-e rooftop air-conditioning system for electric minibuses and light commercial vehicles, 12 kW cooling, compact and low-noise, uses refrigerant R1234yf.
    Roof-mounted electric HVAC module with dual fans and aero housing, supporting vehicle thermal management for electrified mobility as Webasto system partner.
  • Cool Top Trail

    Cool Top Trail rooftop air-conditioning for motorhomes, caravans and campervans — reliable cooling and heat‑pump heating to −5 °C, low-noise operation
    Compact white auxiliary heater and HVAC modules on a digital background, highlighting Webasto's vehicle electrification and thermal management system solutions.
  • Rooftop air-conditioning systems 3.5 – 6.2 kW

    Rooftop air-conditioning systems 3.5–6.2 kW for minibuses, ambulances and vehicles — custom HVAC solutions by Webasto, global systems partner
    Wireframe concept of a compact thermal management module with integrated fan and battery-cell models, showcasing Webasto's system expertise in electrification.
  • Rooftop air-conditioning systems 8.5 - 15.5 kW

    Webasto rooftop air-conditioning 8.5–15.5 kW provides reliable cooling for small to medium buses with optional heating; customizable and easy to install
    Wireframe concept of a compact thermal management module with integrated fan and battery-cell models, showcasing Webasto's system expertise in electrification.
  • Rooftop air-conditioning systems 19-22 kW

    Webasto rooftop air-conditioning systems delivering 19-22 kW cooling and optional heating for midibuses, customizable system solutions
    Wireframe concept of a compact thermal management module with integrated fan and battery-cell models, showcasing Webasto's system expertise in electrification.

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Heating

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Camper van at mountain site with gear, depicting Webasto as system partner integrating roof systems and thermal management to enable off‑grid comfort and power.