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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Latest Version: Tas 9.3.2

To download the latest version, click here.



Recent News


Tas 9.3.2 released!

Tas 9.3.2 includes 2014 Wales regulations.

To download Tas 9.3.2, click here.

Tas 9.3 Now Accredited!

As of 1st May 2014, EDSL Tas is fully accredited for the UK building regulations 2013. Those using Tas 9.3.0 should upgrade to version 9.3.1.

To download Tas 9.3.1, click here.

2014 New Features Course

6th May announced as first date for the 2014 New Features course - A new training course for existing Tas users demonstrating recently-added features, including the upcoming 2013 Building Regulations Studio.

For more information, click here.

New Office Opened in Sydney, AUS

EDSL proudly announce the opening of their new office in Sydney, Australia. If you are in Australia or New Zealand and would like to know more about our software, please contact our representative, Darren Bentley.

Contact details can be found here.

New Training Course for Tas Systems

With the release of EDSL Tas 9.2.1.1, we are offering a new training course that will introduce existing Tas users to Tas Systems.

Click here for details of the new training course.


Our new FAQs now include answers to over 100 common support queries.

Read the latest FAQs


 

A complete solution for the thermal simulation of new or existing buildings

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.

Training

Become a Low Carbon Consultant through our training courses.
Low Carbon Consultancy

Want to be an Energy Performance Assessor? Come to us for your training.
Energy Performance Assessor

Find information on the dates of our upcoming courses.
Course Dates

Consultancy

Our consultancy service can be tailored to your needs.
Find out more

There is no limit to the size of building our consultants can model.
Large Projects

We perform overheating analysis of schools in compliance with Building Bulletin 101.
Schools

Trust our consultants with your EPC and Part L2 projects.
EPC
Part L2

Software

Tas's intuitive interface gives you the freedom to create your models with pinpoint precision.
Fast, Accurate and Robust

Tas is the first DSM to be approved for Part L2 and EPC. Tas can perform level 5 assessments on simple or complex buildings.
Validation

Call, fax or use our online email form for more information.
Contact Us