Latest Version: Tas 9.2.1.2
Download the latest version, which includes several performance improvements. Click here to go to the download page.
Recent News
New Training Course for Tas Systems
December 2011
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.
Tas 9.2.0 Released
17 December 2010
The latest version of EDSL Tas is now available for download.
See what's new in Tas 9.2.0
FAQ section updated
13 July 2010
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.
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
Call, fax or use our online email form for more information.
Contact Us
Our consultancy service can tailor 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
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 be used to assess
building levels 3, 4 and 5.
Validation
Try Tas for free and experience our software for yourself.
Try Tas Free