The development of intelligent buildings aims to provide a comfortable, energy-efficient and efficient living and working environment, in which the temperature control system plays a central role. Dry-block calibrators have important significance in the calibration of temperature control system in intelligent buildings. Temperature sensors in intelligent buildings are distributed in various areas, such as offices, meeting rooms, corridors, etc., which are used to monitor indoor temperature and feed back to the control system to adjust air-conditioning and other equipment. Dry-block calibrators can accurately calibrate these temperature sensors to ensure the accuracy of their measurement, so that the control system can precisely adjust cooling or heating according to the actual temperature situation. This can not only improve the comfort of the indoor environment and avoid overcooling or overheating caused by temperature sensor errors, but also achieve efficient energy utilization and reduce building energy consumption through optimized temperature control. During the construction, maintenance and system upgrade of intelligent buildings, regular use of dry-block calibrators to calibrate the temperature control system is an important link to ensure its stable and efficient operation.