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CBE Thermal Comfort Tool
  • CBE Thermal Comfort Tool
  • Documentation
    • ASHRAE 55
    • EN-16798
    • Compare
    • Ranges
    • Upload
    • PMV Model
    • SolarCal
    • Fans heatwaves
    • Predicted Heat Strain
    • ASHRAE-55 references
    • Thermal comfort questions
  • Help
    • Help
  • Contributing
    • Contributing
  • Changelog
    • Changelog
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  • Version 2.5.5 (2024-03-04)
  • Version 2.5.4 (2023-09-20)
  • Version 2.5.3 (2023-09-20)
  • Version 2.5.2 (2023-09-20)
  • Version 2.5.1 (2023-09-20)
  • Version 2.5.0 (2023-06-23)
  • Version 2.4.2 (2022-03-23)
  • Version 2.4.1 (2022-03-23)
  • Version 2.4.0 (2022-03-23)
  • Version 2.3.1 (2021-07-30)
  • Version 2.3.0 (2021-07-29)
  • Version 2.2.0 (2021-07-14)
  • Version 2.1.7 (2021-04-16)
  • Version 2.1.6 (2021-04-09)
  • Version 2.1.5 (2021-04-06)
  • Version 2.1.4 (2021-03-30)
  • Version 2.1.3 (2021-03-17)
  • Version 2.1.2 (2021-03-11)
  • Version 2.1.1 (2021-02-04)
  • Version 2.1.0 (2020-10-19)
  • Version 2.0.6 (2020-09-08)
  • Version 2.0.5 (2020-09-04)
  • Version 2.0.4 (2020-07-17)
  • Version 2.0.3 (2020-06-24)
  • Version 2.0.2 (2020-06-09)
  • Version 2.0.1 (2020-06-05)
  • Version 2.0.0 (2020-05-06)

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  1. Changelog

Changelog

PreviousContributing

Last updated 1 year ago

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Version 2.5.5 (2024-03-04)

This version complies with the ASHRAE Standard 55-2023.

Version 2.5.4 (2023-09-20)

This version complies with the ASHRAE Standard 55-2020. You can access this version of the tool using . Please note that this version is no longer supported and may contain errors that have been fixed in newer releases.

Version 2.5.3 (2023-09-20)

Fix:

  • issue calculation PMV when cooling effect is 0

Version 2.5.2 (2023-09-20)

Fix:

  • issue with e_max == 0

Version 2.5.1 (2023-09-20)

Fix:

  • Cooling Effect calculation

Version 2.5.0 (2023-06-23)

Fix:

  • Updated coefficient of dilation in SET model

Version 2.4.2 (2022-03-23)

Fix:

  • Hiding globe temperature calculator when operative temp is selected

Version 2.4.1 (2022-03-23)

Fix:

  • Issue with operative toggle in adaptive model

Version 2.4.0 (2022-03-23)

Fix:

  • Upload tool was not using dynamic clothing

  • Calculation of CE was done for a sitting person without using dynamic clothing

Version 2.3.1 (2021-07-30)

Fix:

  • Fix equation to calculate radiative heat transfer coefficient in SET equation

Features:

  • Assuming that a person is sitting when calculating SET temperature

Version 2.3.0 (2021-07-29)

Features:

  • Added PHS model

  • Added fan heatwaves model

Version 2.2.0 (2021-07-14)

Fix:

  • Error calculation of PMV in EN tab

Features:

  • Improved tooltip look

Version 2.1.7 (2021-04-16)

Features:

  • Improved documentation and made charts responsive

Version 2.1.6 (2021-04-09)

Fix:

  • Removed old vertical temperature gradient calculator

Version 2.1.5 (2021-04-06)

Fix:

  • Local discomfort tab the code was broken

Version 2.1.4 (2021-03-30)

Fix:

  • Spinner behavior compare tab

  • Units in note under range chart

  • dilation coefficient in SET equation

Features:

  • Implemented test for all the major functions

  • Added bumpversion to track version of the tool

Version 2.1.3 (2021-03-17)

Features:

  • Changed compliance from ASHRAE 55 2017 to ASHRAE 55 2020

Version 2.1.2 (2021-03-11)

Fix:

  • Equation to calculate heat transfer coefficient SET equation.

  • Default value of clo and met dropdown now matches the default input value.

Features:

  • Wrote testing for ERF, SET and PMV equations

Version 2.1.1 (2021-02-04)

Fix:

  • Error calculation SHARP and solar altitude supine person.

Version 2.1.0 (2020-10-19)

Features:

  • Changed limit for elevated air speed calculation from 0.2 m/s to 0.1 m/s.

Version 2.0.6 (2020-09-08)

Features:

  • Fixed minor issue in the erf equation. Updated fp tables and E_diff equation.

Version 2.0.5 (2020-09-04)

Features:

  • Fixed issues with calculation of outputs in the Upload tool and removed link to Codelab

  • Added SET chart, which displays SET outputs as a function of the inout variables selected

  • Added a note below SET chart

  • Added a note below PMV heat loss chart

  • Minor edits to the layout of the comfort tool

Version 2.0.4 (2020-07-17)

Features:

  • Displaying the relative air speed and dynamic clothing among the outputs.

Fix:

  • Fixed calculation comfort zone in Ranges

Version 2.0.3 (2020-06-24)

Features:

  • The Upload tool can be used to calculate LEED compliance.

  • The Share button now also shares the chart type.

  • Added notes about relative air speed and dynamic clothing calculation below charts.

  • Added mean radiant temperature as input in the SolarCal tool.

Fix:

  • Share fixed the issue with air speed and clothing.

  • Changes y-label in chart air speed vs operative temperature.

Version 2.0.2 (2020-06-09)

Features:

Fix:

  • Upload was throwing error for files with more than 1000 inputs.

  • Improved calculation speed for Upload tool.

Version 2.0.1 (2020-06-05)

Features:

  • Added Save, Restore and Share button.

  • Added tooltips to provide additional information to the user.

Fix:

  • Upload not does not throw an error if the cooling effect cannot be calculated.

  • Upgraded to new version of pythermalcomfort.

  • Fixed issue solar gain calculation with IP units.

Version 2.0.0 (2020-05-06)

Features:

  • Navigation bar responsive.

  • Created new documentation website.

Fix:

  • Issue with HeatLoss chart.

The is automatically calculated by the tool.

The is automatically calculated by the tool.

This version complies with the ASHRAE Standard 55-2017. You can access this version of the tool using . Please note that this version is no longer supported and may contain errors that have been fixed in newer releases.

this link
dynamic clothing insulation
relative air speed
this link