EDSL Tas

Tas is an industry-leading building modeling and simulation tool. Capable of performing dynamic thermal simulation for the world’s largest and most complex buildings, Tas allows designers to accurately predict energy consumption, CO2 emissions, operating costs and occupant comfort.

It's intuitive interface gives you the freedom to create your models with pinpoint precision.
Tas was the first DSM to be accredited for Level 5 EPCs, giving us the proud claim of the first Level 5 EPC to be lodged.