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Among the Original Equipment Manufacturers (OEM’s), comfort, fuel efficiency and safety are the key factors that drive the vehicle business. The main contributors of vehicle comfort are vibration, noise, thermal comfort (temperature), air quality, light, and ergonomics. In this context, compressor noise plays an important role in the comfort of the passengers. Noise can have adverse effect on occupants in the vehicle starting from mild annoyance and may lead to loss of concentration. It is a big challenge for the automotive engineer to find the source of noise and path through which it is transmitted, and eventually to reduce or dampen it during the product development. The objective of this paper is to understand the functioning of various compressor’s noise characteristics in static (i.e. initial engagement of compressor) and dynamic condition (i.e. during compressor running).