In-depth empirical validation can be viewed on the Tas Engineering
Tas was the first DSM to be approved for Part L2 and EPC. Tas can be used to assess
building levels 3, 4 and 5.
Tas is recognised as Building Energy and Environmental Modelling (BEEM) software
suitable for calculating building performance and predicting energy usage.
Tas has completed all the building envelope
and HVAC equipment performance tests as required by ASHRAE 140-1 (2004) and by ASHRAE
Tas 9.3.0 has demonstrated compliance with BS EN ISO standards 13791, 13792, 15255
EDSL offer a consultancy service in 3D CFD analysis, which uses in-house tools not
currently available for purchase.
Tas Daylight has been validated against test case results in the CIE 171:2006 Technical