In the evaluation method for houses, especially for passive and low energy house, should be considered the residents' behaviors and the adjustment actions, such as the resident's movement between rooms, changing clothes and opening or closing windows. In this paper a thermal performance evaluation method considering the residents' behaviors and actions is proposed. First, the fluctuation comfort zones are illustrated, then the flow of the thermal performance evaluation method using the fluctuation comfort zones is mentioned, and finally, the validity of this evaluation method is shown by the concrete evaluation examples.