With the goal of achieving carbon-neutral, Zero Energy Building is drawing attention and the use of radiant air-conditioning systems is on the rise. In this study, the actual condition of the thermal environment formed in the office under the operation of TABS and floor blow air-conditioning system adopted in the nZEB of Kanazawa City was investigated. In addition, thermal sensation questionnaire for office workers was conducted in summer. As a result of the analysis, PMV value by zone and response rate of comfortable side in summer cooling were clearly shown.