Environmental Design Solutions Limited (EDSL) was formed in 1989 to commercially develop Tas Software. EDSL sells Tas software and consultancy services using Tas. EDSL believe that the mixing of development, consultancy and software support leads to a focused software product, with quality support available to end users.

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Documentation

Manuals

Copies of the Tas manuals available for download. They can also be found in the Manuals folder within Tas Manager. Please note that the Theory manual has not been updated since Tas 8.5 and many of the formulae are now obselete, having been replaced by newer or more accurate methods. The Building Simulator and Results Viewer manuals are updated periodically, but are intended as reference documents. The tutorials are continuously maintained and are always up-to-date.


Tutorials

Links to interactive web-based versions of the tutorials. These web-based copies are continuously updated, while the software builds will still contain the latest versions at the time of release, which can be found in the Tutorials folder within Tas Manager


External Links

Useful documentation not written by EDSL. This includes links to regulatory documents for use in UK Part L2 and EPC assessments.