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Integrated roof-mounted AC system – AC188

The AC188 is an integrated split roof-mounted system. The AC188 is a highly adaptable heating, ventilation and air-conditioning solution offering ideal passenger comfort in tour buses and coaches. With its low weight and partial integration into the air-distribution duct of the bus, the AC188 reduces air resistance and thereby contributes significantly to a further increase in efficiency.



  • Easy to service through simple access to serviceable parts in the bus interior
  • Simple installation reduces the installation work for bus manufacturers
  • Fresh-air option with up to 100% fresh air
  • Can be installed with various condenser units
  • Additional evaporator available for double-decker buses
  • Integrated outgoing-air opening with patented recirculation, fresh-air and outgoing-air valve