Changelog

Version 2.5.6 (2025-08-20)

• feat: change the default color of the comfort zone chart to green

• fix: calculation of comfort zone chart with PMV model

• fix: secant calculation crashing the tool

• fix: issue #84 compare tab

• feat: added siteimprove analytics to the tool

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 this link. 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:

• The dynamic clothing insulation is automatically calculated by the tool.

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:

• The relative air speed is automatically calculated by the tool.

• 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)

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

Features:

• Navigation bar responsive.

• Created new documentation website.

Fix:

• Issue with HeatLoss chart.