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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Tas Version 9.3.1

Tas 9.3.1 is fully validated for the 2013 building regulations.

All changes are listed in the Release Notes, which are included in Tas Manager or can be downloaded here.

To download Tas version 9.3.1, click here.