In this research, the middle and upper socio-economic status (SES) families have the satisfaction of the kitchen and complaints of the state of the ventilation systems were aimed to detect. For this purpose, the houses' kitchens of the different SES families, settled in different regions of Ankara in Kecioren (middle SES) and Cukurambar (upper SES) were chosen. The opinions of the users to the ventilation systems of kitchens at the apartment housing in two regions were identified by a questionnaire. As a result, differences between purpose and frequency of use, exhaust fan type situated kitchens of users have the middle and upper SES was determined. Accordingly, the ventilation system in the kitchens more frequently uses by the upper SES in comparison with the middle SES was determined.