HAMlab (Heat, Air and Moisture simulation Laboratory) is a collection of tools and functions in the MatLab/Simulink/FemLab environment that includes:
HAMBASE: HAM transport in multizone building models
HAMSYS: building systems models
HAMDET: detailed (up to 3D) building physics models
HAMOP: optimal operation
HAMLab is a research tool which is regularly updated (with new release numbers).