The AC136 AE HP (All Electric / Heat Pump) system with heat pump technology combines heating and air conditioning in a single installation. His particuliarity ? Its heating and air conditioning circuit is reversible. The AC136 AE HP system has enabled Eberspächer Sütrak to develop a tailor-made bus air conditioner concept for trolleybuses and electric buses. The AC136 AE HP features a brushless blower, 100% fresh air supply and maximum efficiency heat exchanger. The modular principle allows quick and easy installation on the roof of the bus.