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FAQs

About ThermalOne

Which version of Rhinoceros do I need to use?

Please use Rhinoceros 8 version 8SR12 or later.

Is it compatible with Mac?

Due to the limitations of the calculation programme, the supported operating system is currently Windows only

Creating Building Models

I would like to create a building model with a circular floor plan. Is this simulation possible?

As circular (organic) shapes cannot be calculated, please approximate them as polygons. Polygons of up to 100 sides are supported.

Room numbers and wall numbers are not displayed.

Depending on the font size settings in Rhinoceros, the numbers may be difficult to see. Please increase the font size and check again. Please also check that the model’s unit settings are set to ‘metres (m)’.

When creating the model, should the dimensions of the boxes (rooms) be based on centre-to-centre or clear dimensions?

Calculations are possible using either centre-to-centre or clear dimensions. However, to ensure consistency with the overall building dimensions, we recommend using centre-to-centre dimensions.

Errors during calculation execution

The calculation does not run when I click the ‘Execute Calculation’ button in the THERB UI.

Immediately after downloading, security settings may prevent the THERB UI from launching the calculation program. Please double-click the calculation program to launch it.

About the Calculation Results

Why are the loads displayed as negative values?

In ThermalOne, heat gain is defined as a positive value. Consequently, the cooling load (which removes heat from the room) is displayed as a negative value. Conversely, the heating load is displayed as a positive value.

Can I configure display settings, such as the colour of the graph lines, when viewing graphs?

Currently, we do not support individual configuration of display settings, including the colour of the graph lines.

Installation

Installation is blocked with a message such as “Smart App Control blocked a file that may be unsafe”.

Please see the “Troubleshooting” section of the README_EN.txt included in the downloaded ZIP.
On some Windows 11 PCs, Smart App Control may block execution, and it needs to be turned off in Windows Security settings. (Code signing support is in preparation.)