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Heating solutions for
buses

Reliable heat for front and passenger compartments in minibuses, midi buses, city buses and coaches

To ensure that every journey is safe and comfortable for drivers and passengers from start to finish, Webasto air and water heaters reliably heat all areas of the bus before and during the journey. Thanks to optional engine preheating, the buses are always ready for use so that timetables can be adhered to even in difficult climatic conditions. Webasto offers a large portfolio of extremely robust heaters. We can equip buses of all sizes and for any application, offering customizable complete solutions. Retrofitting is carried out by our installation partners in your area, which you can find using our dealer locator. In electrically powered vehicles, our powerful, compact high-voltage heaters provide the heat.

Heating solutions for fuel-powered buses

Webasto water heaters preheat the coolant circuit of the vehicle engine even before the journey begins, to ensure that the engine can be started at any time and even at temperatures well below zero degrees. This protects the engine and also reduces emissions and fuel consumption. The air in the front area is also heated by the vehicle fan. The Webasto water heaters recommended for buses are available with heating outputs between 9 and 35 kW. For quick, long-lasting warmth, our air heaters from the Air-Top range heat the interior efficiently and with the highest quality. Their heat output can be selected between 2 and 5.5 kW per device. Several devices distributed in the vehicle can be combined.

Bus on an icy road

For both the air and water heaters, Webasto offers a wide range of applications and accessories for individual original equipment and retrofit solutions. Additional hoses, distributors and air outlets ensure optimum heat distribution. The heaters can be integrated into 12 and 24 V environments and also heat with alternative fuels such as HVO and GtL. Depending on the choice of devices, various control elements are available, such as the smart ThermoConnect app. In addition to the heaters, Webasto offers integrated heat exchangers for using residual engine heat to heat the vehicle interior. Various models offer heating outputs from 3.3 to 13 kW.

Key facts

  • Preconditioning the engine for a safe start
  • Arctic Start for extremely cold environments
  • Altitude adjustment up to 4,500 meters
  • Large selection of devices and accessories for individual solutions
  • Suitable for alternative fuels
  • Reduce fuel consumption and emissions
Graphic bus for simulating the heating output Graphic bus

Product overview water heaters for buses

  • Thermo Top Pro 120/150

    For construction and agricultural machinery, small- to medium-sized buses, electric buses and trucks, these two heaters provide power of up to 12 and 15 kW heating output, respectively. They are available as 12 and 24 volt variants.
    Thermo Top Pro 120 / 150 product picture on orange background Thermo Top Pro 120/150 header
  • Thermo Pro 90

    This robust and highly efficient water heater, which features altitude adjustment and "Arctic Start", is suitable for large commercial vehicles, specialty vehicles and minibuses, even in extreme conditions.
    Thermo Pro 90 product picture on orange background Thermo Pro 90 header
  • Thermo plus 230/300/350

    The powerful heaters for buses, rail vehicles and trucks ensure an optimum operating temperature for high-performance diesel engines and warm the interior.
    Thermo Plus 230/300/350 product picture on orange background Thermo Plus 230/300/350 header
  • Air Top Evo 40/55

    The powerful air heaters - with altitude adjustment on request - are particularly suitable for the cabins and cargo compartments of large camping vehicles, buses, trucks and boats. They are extremely efficient and very quiet.
    Air Top Evo 40/55  product picture on orange background Air Top Evo 40/55 header
  • Air Top 2000 STC

    The "all-rounder" among air heaters heats almost all vehicles and boats quickly and evenly with up to 2 kW. It is compact, safe and extremely efficient in terms of fuel consumption.
    Air Top 2000 STC air heater product picture on orange background Air Top 2000 STC header

Heating solutions for electrically powered buses

Our extremely efficient high-voltage heaters (HVH) with heating outputs between 5 and 12 kW ensure pleasant temperatures in electric buses. The space-saving devices convert electrical direct current into heat with virtually no losses (more than 95 percent). All models are ISO 21434-compliant, but differ in terms of voltage and communication interfaces. Electric high-voltage heaters from Webasto not only heat the front and passenger compartments, but can also provide optimum temperature control for traction batteries. This has a positive effect on their range and service life. Webasto high-voltage heaters provide approx. 15,000 to 25,000 heating hours.

Key facts

  • Efficient heating layer technology
  • Extremely compact design
  • No rare earths
  • Support low voltages of 12 or 24 V
  • Heating in the high voltage range from 250 to 880 V
  • Increases battery life and range
  • Flexible installation positions
  • Long service life between 12,000 and 25,000 operating hours
  • Simple plug & play installation in series production
HVH Electric bus at charging station

Product overview heaters for electrically powered buses

  • 400 Volt High Voltage Heater

    HVH 50/70: The powerful electric High Voltage Heater (HVH) with up to 5 or 7 kW heating power, ideal for 400 Volt systems in electric cars, transporters and specialty vehicles.
    HVH 50/70 product picture on orange background HVH 50/70 header
  • 800 Volt High Voltage Heater

    HVH 100 Compact / HVH 100 Compact+ / HVH 120: The perfect heating system for large plug-in hybrids and electric vehicles, strong heating power, high efficiency and reliable safety.
    Product picture of HVH 100 Compact and HVH 120 on orange background HVH 800 Volt header
  • Integrated heat exchangers 3.8 - 13 kW

    High-quality and versatile integrated heat exchangers for powerful heating with waste heat from the engine. Low energy consumption, long service life. Ideal for minibuses and commercial vehicles.
    Product picture of Integrated Heat Exchanger on blue background Integrated heat exchanger header

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Further vehicle solutions

  • Passenger cars

    Discover Webasto solutions for passenger cars: panoramic roofs, battery systems and parking heaters for more comfort and efficiency.
  • Light commercial vehicles

    Webasto heating and cooling solutions for vans: parking heaters, range extenders, high-voltage heaters, air conditioning systems and cargo cooling for vans.
  • Recreational vehicles

    Efficient heaters, rooftop air conditioners and refrigerators for motorhomes, caravans and camper vans – perfect for retrofitting and original equipment.
    RV camping by a fjord in Norway Motorhomes at Norwegian campsite
  • Bus

    Webasto offers heating, air conditioning and HEPA filter systems for coaches and buses - including electric buses - for a safe journey at all times.
    Two white buses traveling on the asphalt road in rural landscape at sunset with dramatic clouds                               Two white buses traveling on the asphalt road in rural landscape at sunset with dramatic clouds
  • Truck

    Webasto heaters and air conditioning systems for trucks: parking heaters, high-voltage heaters and air conditioning – for comfortable rest periods, fuel saving and cabin comfort in the truck.
    Modern logistics warehouse with blue semi-trailer truck unloading goods. Cargo storage facility exterior with bay gate. Sunset sky background. Shipping industry building, delivery, export business. Overview heating and cooling truck
  • Specialty vehicles

    Webasto offers heaters, air conditioning systems and HEPA filters for special vehicles such as ambulances, rescue vehicles, fire engines and other emergency vehicles.
    Air conditioning and filtering the air in emergency vehicles Air conditioning and filtering the air in emergency vehicles
  • Agricultural machinery

    Heaters and air conditioning systems for tractors and other agricultural machinery for comfortable working in any weather. Discover retrofit options now.
    blue new tractor with red harrow in the field against a cloudy sky, agricultural machinery work blue new tractor with red harrow in the field against a cloudy sky, agricultural machinery work
  • Construction machinery

    Efficient heating solutions, powerful air conditioning systems and modular battery systems for excavators, wheel loaders and electric construction machinery – ideal for any environment.
    Crane trucks in the construction of a bridge Crane trucks in the construction of a bridge
  • Marine

    Webasto offers heaters, air conditioning systems and roofs for sailboats, motorboats and yachts, individually configurable for every destination and boat size.
    A sailboat with a white hull and wooden decking on clear blue water. Aerial View of Sailboat
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