The PHPP is an easy to use planning tool for energy efficiency for the use of architects and planning experts. The reliability of the calculation results and ease of use of this planning tool has already been experienced by several thousand users.
THERM is a two-dimensional heat-transfer modeling software. For Passive House design, THERM is used for linear thermal bridge analysis. Tutorial videos are available on the Lawrence Berkeley Laboratory website.
WUFI is a family of softwares for modeling heat and moisture transfer through building enclosure systems. They are used as design and diagnostic tools for improving building energy performance and increasing resistance to moisture damage.