Bus air conditioning units
Diesel-engine driven
Advanced roof air-conditioning solutions for all bus types – with MCHX technology, a uniform interface and proven energy efficiency.
All models in the series
Choose a model for full details and technical specifications

- Minimal roof space – maximizing available volume
- Lightweight design with high cooling performance
- Uniform interface for all bus types

- A uniform interface for all buses across every performance range
- 10% lower power consumption
- Up to 10% lower weight (MCHX)
AC135

The innovative air conditioning system offers a winning combination of a compact, lightweight design that maximizes roof space, alongside powerful cooling performance in extreme climate conditions. The system features a uniform interface for all bus types, economical installation and simple maintenance thanks to split covers and a flexible air grille. With an optional built-in battery cooling and support for a range of refrigerant gases, it is the most efficient and cost-effective solution for your fleet.
- Minimal roof space – maximizing available volume
- Lightweight design with high cooling performance
- Uniform interface for all bus types
- Flexible air-return grille options: side or central
- Economical installation | Temperature range: -15°C to +55°C
AC353-5

Our modular air conditioning system sets a new standard of efficiency and savings, with advanced heat-exchanger technology that reduces energy consumption by 10% and system weight by a similar amount. The smart structure and uniform interface allow fast installation and low maintenance costs over time, while ensuring maximum durability in all climate conditions. Thanks to quiet fans and reduced refrigerant use, the system offers an environmentally friendly solution without compromising cooling power. Easy maintenance access and advanced drive assemblies ensure exceptional reliability and minimal downtime for your fleet.
- A uniform interface for all buses across every performance range
- 10% lower power consumption
- Up to 10% lower weight (MCHX)
- 15% lower refrigerant gas consumption
- Brushless fan motors – extended lifespan