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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Technical Support

Leading the Field...

EDSL is the world's leading supplier of commercial building simulation software. With 20 years' experience behind us, we provide the highest quality technical support to our users.

We've built into the software a unique set of online tutorials with videos. They cover every aspect of how to drive the software. You don't have to worry about forgetting any procedure, you just use the online help facility to locate the appropriate video.

If you need to contact technical support, please use the online email form and select "Support".