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Measurement and evaluation of comfort levels of apartments using IoT sensors

We developed IoT sensors for the evaluation of the comfort levels of real estate building properties. Our IoT sensor can measure temperature, humidity, illuminance, and acceleration and can record audio and video. We conducted proof-of-concept experiments by putting the sensors in six apartments in three buildings, and we succeeded in evaluating the difference in comfort levels of the rooms. For example, we revealed that an upper-floor apartment received sunshine for two more hours than a lower-floor apartment even though the two apartments were in the same building. Additionally, we found that in apartment buildings next to a railroad or an expressway, there is little noise if they were facing away from the source of the noise. Such information would help us to avoid having prejudiced evaluation to apartments and to have more fair opinions.