Detailed product overview

WUFI®
Pro		WUFI®
Light		WUFI®
2D		WUFI®
Plus		WUFI®
Passive		WUFI®
Plus/Passive Free
one-dimensional hygrothermal simulationtwo-dimensional hygrothermal simulationhygrothermal building simulation
General
One-dimensional calculationHakenHakenHaken (possible, but more complex and time-consuming than WUFI Pro)HakenHakenHaken
Two-dimensional calculationHakenlimited1limited1
Building simulationHakenHakenHaken
Passive house calculationHakenHakenHaken
Thermal calculationsHakenHakenHakenHakenHakenHaken
Hygric calculationHakenHakenHakenHakenlimited3
Graphical user interfaceHakenHakenHakenHakenHakenHaken
Full functionalityHakenHakenHakenHaken
Languagesmultilingual6multilingual6multilingual7multilingual8multilingual9multilingual8
Unit systemSI / IPSI / IPSISI / IPSI / IPSI / IP
Component simulation/
building simulation
Component structurelayerslayersrectangleslayerslayers /
inhomogeneous³		layers
Numerical gridautomatic, editable manuallyautomaticautomatic, editable manuallyautomatic, coarse/
medium/fine 		automatic, coarse/
medium/fine 		automatic, coarse/
medium/fine
Numerical grid displaygraphical, tabulargraphical, tabulargraphical, tabulargraphicalgraphicalgraphical
Material databaseHakenHakenHakenHakenHakenonly thermal
Material data editable HakenHakenHakenHakenHaken
User defined materials in database possibleHakenHakenHakenHaken
Construction databaseHakenHakenHakenHakenHaken
3D building displayHakenHakenHaken
Building geometryManual 3-D Editor, Building Wizard, SketchUpManual 3-D Editor, Building Wizard, SketchUpManual 3-D Editor, Building Wizard
Multi zone modelHakenHakenHaken
Simulation of indoor climate Hakenlimited ²limited ²
Profiles for internal loadsHakenHakenHaken
Natural / mechanical ventilationHakenHakenHaken
Simulation of HVAC systemsHakenHakenHaken
Sources in the component
Heat sources
Transient from fileHakenHakenHakenHaken
Fraction of solar radiationHakenHakenHakenHaken
Moisture sources
Transient from fileHakenHakenHakenHaken
Fraction of driving rainHakenHakenHakenHakenHaken
Convective source (Air Infiltration Model IBP)HakenHakenHakenHaken
Constant monthly moisture loadHaken
Air exchange sources
Constant air change rateHakenHakenHakenHakenHaken
Transient from fileHakenHakenHakenHaken
Boundary conditions
WUFI climate databaseHakenHakenHakenHakenHakenrestricted climatic location
Surface orientationN, NE, E, SE, S, SW, W, NWN, NE, E, SE, S, SW, W, NW0° to 360°0° to 360°0° to 360°0° to 360°
Surface inclination0° to 180°0° to 180°0° to 90°0° to 90°0° to 90°0° to 90°
Wind driven rain (if rain data available in database)HakenHakenHakenHakenHaken
Driving rain coefficientsdrop-down menu & customdrop-down menucustomdrop-down menu & customdrop-down menu & custom
Driving rain coefficients according to ASHRAE Standard 160Hakendrop-down menuHakenHakenHaken
Use of own climatic dataHakenHakenHakenHaken
Surface transfer coefficients
Heat transfer coefficient / resistancedrop-down menu & customExterior wall; DIN 4108-3 Exterior component; Roofcustomdrop-down menu & customdrop-down menu & customdrop-down menu & custom
sd-value of a possible surface coatingdrop-down menu & customdrop-down menudrop-down menu & customdrop-down menu & customdrop-down menu & custom
Water vapour transfer coefficientautomaticautomaticautomatic & customautomaticautomatic
Explicit radiation balanceHakenHakenHakenHakenHakenHaken
Wind-dependent heat transfer coefficientHakenuser editable formula coefficientsHakenfixedHakenfixedHakenfixedHakenfixedHakenfixed
Inital conditions T/RHconstant across component, constant value in each layer, arbitrary profileconstant profileconstant across component, constant value in each layer, arbitrary profileconstant profile; RH from databaseconstant profile; RH from databaseconstant profile
Calculation
Maximum calculation periodunlimited2 yearsunlimitedunlimitedunlimitedunlimited
Start of the calculation user-definableHakenHakenHakenHakenHakenHaken
Calculation time steps user-definableHakenHakenHakenHakenHaken
Output
Hygrothermal conditions in the building componentHakenHakenHakenHakenHaken2
Indoor climate, comfort,
energy requirements		HakenHaken4Haken4
Results displayed as animated filmHakenHakenHakenHakenHaken
Film exportableHaken
AVI & own viewer		HakenHaken
Results displayed as diagramsHakenHaken5HakenHakenHakenHaken5
ASCII output of resultsHakenHakenHakenHaken
Create own result graphicsHakenHakenHakenHakenHaken
Automatically generated result reportHakenHakenHakenHakenHakenHaken
Data and report output to Word and Excel (editable by user)HakenHaken
Display of measurement data for comparisonHaken
Miscellaneous
Read project data of previous versionsHakenHakenHakenHakenHaken
Interface for post-processorsHakenHakenHakenHakenHaken
Automated batch processingHakenHakenHakenHaken
Import of building constructionsDXF
Import of building geometriesSketchUp, gbXMLSketchUp, gbXML
System requirements
Operating system: Windows 10 (and later)HakenHakenHakenHakenHakenHaken
Operating system: MAC OS
Available licenses
Free of charge, time limitedHakenHaken
1 year licenseHakenHakenHakenHaken
3 year licenseHaken
5 year licenseHakenHakenHakenHaken
2) Only buildings which meet the 5 main Passive House Verification criteria
3) Inhomogeneous only for the static monthly balance method
4) Indoor air humidity without moisture exchange with envelope components
5) Watermarks in result graphics
6) Danish, German, Chinese, English, English (Australia), English (United Kingdom), Finnish, French, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Swedish, Spanish, Czech. The online help is available in German, English, French and Japanese.
7) Chinese, German, English, Italian, Japanese and Polish. The online help is currently only available in English.
8) Chinese, German, English, Italian, Japanese and Polish. The online help is currently only available in English.
9) German, English, Italian, Japanese and Polish. The online help is currently only available in English.
Update: July 2025