Blog Posts

Drawing Roofs

There are many options for drawing roofs in the Tas3D modeller. This short guide explains when each option may be the best choice and clears up some common questions. Option 1: Set Wall HeightPros: A very quick solution for simple sloped roofs with a level ridge.Cons: Unsuitable for any other type of roof. Option 2:

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Overview of a 90.1 Appendix G Project in Tas

This blog post gives a brief overview of the methods recommended in Tas to carry out an ASHRAE 90.1 Appendix G analysis. Please note that the emphasis here is on the Tas methods, rather than interpretation of the regulations; as Tas files allow editing, a wide range of different interpretations can be allowed for. Moreover,

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Approved Document O

Approved Document O, commonly referred to as “Part O”, relates to assessing overheating in domestic properties and came into force on the 15th June 2022. Its purpose is to reduce the occurence of high indoor temperatures to protect the health and welfare of occupants.

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Tas and EnergyPlus

EDSL Tas can both import and export EnergyPlus IDF files. EnergyPlus IDF files generally contain good quality data and a comprehensive set of inputs, making IDF import a reliable and convenient way to get data into EDSL Tas quickly. IDF import to Tas3D: Create a new Tas 3D model from an IDF file. In Tas3D

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Validation of Tas against BS EN ISO Standards

The BS EN ISO Standards 13791, 13792, 15255, and 15265 are used to validate a building simulation software’s results against expected results; compliance with these standards demonstrates the integrity of the simulation engine as the results are concerned with the solar, heat flow, and room load calculations which underpin the annual simulation. Models were set

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