Keihin air conditioning systems are comprised of evaporators, which have a compact, lightweight design with an original refrigerant circuit structure that boosts cooling efficiency; heater cores, which are built into in-cabin air conditioning units; HVAC units, which are designed to be as small and lightweight as possible; and condensers, which are designed to deliver high-efficiency results in a lightweight, low-profile design. Every component contributes to a more comfortable customer environment.