One of the first types of customer requirements is this satisfiers or basic needs. These are expected features or characteristics of a product or service. These needs are typically unspoken. If these needs are not fulfilled, customers will be extremely this satisfied. An example of a basic need when buying a home air conditioner is that the AC will give enough cooling and it will not make much noise. Generally, most customers use the AC in their bedroom.
What is the need of using the AC in the bedroom to get a good night's sleep. So, when customers buy an air conditioner they do not request that it should give cool air or less noise they expected. Now if this basic need is not met, they will be extremely dissatisfied