## 3 Results
### Thermal Comfort Models
\begin{table}
\begin{tabular}{p{113.8 pt} p{113.8 pt} p{113.8 pt} p{113.8 pt}} \hline \hline
**Reference** & **Formulation Reference** & **Outdoor Temperature Source** & **Ventilation** \\ \hline [PERSON] et al. (2017) [83] & Adaptive model by [PERSON] (2008) [84] & Measurements on site in San Juan, AR & Mixed-mode \\ \hline [PERSON] et al. (2017) [85] & Adaptive formulation calibrated with one-year survey & Museum BMS measurements, Amsterdam, NL & Mechanical \\ \hline [PERSON] et al. (2017) [30] & EN 15251 standard [86] & Energy Plus Weather file for Perugia, IT & Mechanical \\ \hline [PERSON] et al. (2017) [87] & EN 15251 standard [86] or CIBSE Guide A [88] & Measurements by weather station in Ancona, IT & Mixed-mode \\ \hline [PERSON] et al. (2018) [89] & Adaptive formulation calibrated experimentally [90] & Measurements in mixed-mode buildings in Seville, ES & Mixed-mode \\ \hline [PERSON] and [PERSON] (2018) [31] & [PERSON] (1978) [81] & TMY weather data for Bucharest, RO & Mechanical \\ \hline [PERSON] et al. (2018) [91] & EN 15251 standard [86] & Weather data from TMY of three Moroccan cities & Natural \\ \hline [PERSON] et al. (2020) [92] & [PERSON] and [PERSON] (2001) [93] & Measurements in Nancy, FR & Mechanical \\ \hline [PERSON] et al. (2020) [94] & EN 15251 standard [86] & Energy Plus Weather file for Seville, ES & Mechanical \\ \hline [PERSON] and [PERSON] (2020) [95] & [PERSON] et al. (2017) [96] & Measurements by local weather station in Wollongong, AU & Mixed-mode \\ \hline [PERSON] et al. (2021) [97] & EN 16798-1 [6] and EN 15251 [86] & IWEC weather data for Copenhagen, Edinburgh, Palermo, Tokyo and Zurich & Mixed-mode \\ \hline [PERSON] et al. (2021) [98] & EN 15251 standard temperature & with EWRM & Measurements at experimental site in Hsinchu, TW & Mechanical \\ \hline [PERSON] et al. (2021) [99] & [PERSON] (2003) [100], [PERSON] and [PERSON] (2007) [101] & Average air temperature from IWEC historical data for MX & Natural \\ \hline [PERSON] et al. (2021) [102] & Adaptive model by [PERSON] et al. (2014) [103] for cold regions of China & Outdoor climate data from National Weather Service, location not specified & Mechanical \\ \hline \hline \end{tabular}
\end{table} 
Table 7: Adaptive thermal comfort models in reviewed contributions. \begin{table}
\begin{tabular}{p{113.8 pt} p{113.8 pt} p{113.8 pt}} \hline \hline
**Reference** & **Preference-Related Actions** & **Model Development** \\ \hline [PERSON] (2018) [104] & Set-point temperature operating time & Statistical model to define acceptable set-point temperatures based on their operating (unchanged) time \\ \hline [PERSON] and [PERSON] (2019) [105] & Interactions with HVAC comprehensive smartphone app & Thermal profile for each user with Gaussian function based on previous actions \\ \hline [PERSON] et al. (2019) [106] & Personal fan operation (on/off and speed setting) & Classification and regression algorithms to predict on/off state and preferred air speed in case of “on” state \\ \hline [PERSON] et al. (2020) [107] & User’s interactions with HVAC system (e.g., the user turns on the heating) & Deep reinforcement learning with penalty given each time the user operates on the HVAC switch \\ \hline [PERSON] and [PERSON] (2020) [108] & Corrective actions (e.g., local temperature adjustment) & Relevant actions incorporated in learning phase to train comfort model \\ \hline [PERSON] and [PERSON] (2021) [109] & Thermostat adjustment, operation of doors and shading devices & Classification algorithm to develop group and individual models from action recordings \\ \hline [PERSON] et al. (2021) [110] & Air-conditioning switching on/off and set-point adjusting & Classification rules returning preference patterns for the specific action (on/off or set-point) \\ \hline [PERSON] et al. (2021) [82] & Temperature set-point adjustment & Endpoints of default comfort temperature range shifted to current temperature based on change direction \\ \hline \hline \end{tabular}
\end{table} 
Table 8: Thermal comfort models based on occupants’ actions in reviewed papers.