Documentation

This section contains the user-facing reference documentation for the pythermalcomfort package: model reference pages, utility functions, examples, and background material. Use the links below to navigate by topic.

• Models
  • Adaptive Model
  • Apparent Temperature (AT)
  • Ankle draft
  • Clothing prediction
  • Cooling Effect (CE)
  • Discomfort Index (DI)
  • Environmental Stress Index (ESI)
  • Gagge two-node model
  • Two-node model sleep
  • Gagge-Ji two-node model
  • Heat Index (HI)
  • Humidex
  • Joint system thermoregulation model (JOS-3)
  • Normal Effective Temperature (NET)
  • Predicted Heat Strain (PHS) Index
  • Physiological Equivalent Temperature (PET)
  • Predicted Mean Vote (PMV) and Predicted Percentage of Dissatisfied (PPD)
  • Ridge Regression to predict Rectal and Skin Temperatures
  • Solar gain on people
  • Sports Heat Stress Risk
  • Standard Effective Temperature (SET)
  • Universal Thermal Climate Index (UTCI)
  • Use Fans During Heatwaves
  • Vertical air temperature gradient
  • Wet Bulb Globe Temperature Index (WBGT)
  • Wind chill index
  • Wind chill temperature
  • Work capacity (Dunne et al.)
  • Work capacity (Hothaps)
  • Work capacity (ISO)
  • Work capacity (NIOSH)
  • Temperature Humidity Index (THI)
• Utilities functions
  • Body Surface Area
  • Dew point temperature
  • Enthalpy
  • Mean radiant temperature
  • Operative temperature
  • Psychrometric properties of air from dry-bulb temperature and relative humidity
  • Relative air speed
  • Running mean outdoor temperature
  • Saturation vapor pressure
  • Sky-vault view fraction
  • Units converter
  • Wet bulb temperature
• Utils functions
  • Scale wind speed
• Clothing
  • Introduction
  • Determining Estimated Clothing Insulation
  • Influence of Body and Air Movement on Thermal Insulation and Vapour Resistance
  • Other Factors Influencing Clothing Insulation
• Functions
  • Air insulation layer (I_a)
  • Correction factor for (I_T)
  • Clothing area factor (f_cl)
  • Dynamic clothing
  • Intrinsic clothing insulation ensemble (I_cl)
  • Total insulation of the clothing ensemble (I_T)
  • Clothing insulation of typical ensembles, [clo]
  • Insulation of individual garments, [clo]
• Metabolic Rate
  • Met typical tasks, [met]
• Surveys to assess thermal comfort
  • Point-in-time surveys
  • Satisfaction Surveys
• References
• Examples
  • Code snippets
  • Example files
  • Video tutorials
• Changelog
  • 3.9.8 (2026-05-25)
  • 3.9.3 (2026-05-01)
  • 3.9.2 (2026-04-14)
  • 3.9.1 (2026-02-25)
  • 3.9.0 (2026-02-03)
  • 3.7.0 (2025-10-28)
  • 3.6.1 (2025-10-07)
  • 3.6.0 (2025-09-22)
  • 3.5.1 (2025-09-15)
  • 3.5.0 (2025-09-10)
  • 3.4.3 (2025-07-31)
  • 3.4.2 (2025-07-22)
  • 3.4.1 (2025-07-14)
  • 3.4.0 (2025-06-08)
  • 3.3.0 (2025-06-05)
  • 3.2.0 (2025-05-20)
  • 3.1.0 (2025-04-28)
  • 3.0.1 (2025-04-14)
  • 3.0.0 (2025-02-03)
  • 2.10.0 (2024-03-18)
  • 2.9.1 (2024-01-19)
  • 2.9.0 (2024-01-15)
  • 2.8.11 (2023-10-26)
  • 2.8.11 (2023-10-26)
  • 2.8.7 (2023-10-23)
  • 2.8.6 (2023-10-09)
  • 2.8.4 (2023-09-20)
  • 2.8.3 (2023-09-14)
  • 2.8.2 (2023-09-04)
  • 2.8.1 (2023-07-05)
  • 2.8.0 (2023-07-03)
  • 2.7.0 (2023-02-16)
  • 2.6.0 (2023-01-17)
  • 2.5.4 (2022-10-12)
  • 2.5.0 (2022-06-13)
  • 2.4.0 (2022-06-10)
  • 2.3.0 (2022-06-01)
  • 2.2.0 (2022-05-17)
  • 2.1.1 (2022-05-17)
  • 2.1.0 (2022-04-20)
  • 2.0.2 (2022-04-12)
  • 2.0.0 (2022-04-07)
  • 1.11.0 (2022-03-16)
  • 1.10.0 (2021-11-15)
  • 1.9.0 (2021-10-07)
  • 1.8.0 (2021-09-28)
  • 1.7.1 (2021-09-08)
  • 1.7.0 (2021-07-29)
  • 1.6.2 (2021-07-08)
  • 1.6.1 (2021-07-05)
  • 1.6.0 (2021-05-21)
  • 1.5.2 (2021-05-05)
  • 1.5.1 (2021-04-29)
  • 1.5.0 (2021-04-21)
  • 1.4.6 (2021-03-30)
  • 1.3.6 (2021-02-04)
  • 1.3.5 (2021-02-02)
  • 1.3.3 (2020-12-14)
  • 1.3.2 (2020-12-14)
  • 1.3.1 (2020-10-30)
  • 1.3.0 (2020-10-19)
  • 1.2.3 (2020-09-09)
  • 1.2.2 (2020-08-21)
  • 1.2.0 (2020-07-29)
  • 1.0.6 (2020-07-24)
  • 1.0.4 (2020-07-20)
  • 1.0.3 (2020-07-01)
  • 1.0.2 (2020-06-11)
  • 1.0.0 (2020-06-09)
  • 0.7.0 (2020-06-09)
  • 0.6.3 (2020-04-11)
  • 0.6.3 (2020-03-17)
  • 0.5.2 (2020-03-11)
  • 0.5.1 (2020-03-06)
  • 0.4.1 (2020-02-17)
  • 0.4.0 (2020-02-17)
  • 0.3.0 (2020-02-13)
  • 0.1.0 (2020-02-11)
  • 0.0.0 (2020-02-11)