National Building Science Corporation

    1220 Rosecrans Street  #119

    San Diego, CA  92106-2674

    Phone (951) 265-1501


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WUFI Pro / WUFI-ORNL Workshops -


WUFI Badge


WUFI workshops -  computer modeling of hygrothermal (moisture and heat) transfer through walls and roofs.  These workshops, with instruction provided by Oak Ridge National Laboratory  (ORNL) of the United States and the Fraunhofer Institute of Building Physics in Germany, are sponsored by  the U.S. Department of Energy, the National Institute of Building Sciences (NIBS) /Building Enclosure Technology and Environment Council (BETEC) and others.  Each student brings his/her own laptop, receives software with a temporary license, and will run simulations.  The computer modeling enables the user to diagnose or design wall configurations within a user-specified geographic region for which NOAA has gathered weather data for decades.  Even mold growth in the building can be predicted using this model.


You can download a free demo of WUFI-ORNL software from the link below:


For a movie that demonstrates the WUFI Pro software, go to this link:

For one architect's opinion, this is a link to an article written by Thomas L. Smith, AIA, for Professional Roofing magazine:

WUFI Pro Workshops:  ( You will be notified promptly of any cancellations or schedule changes.  If a program is cancelled or postponed we will refund registration fees but cannot be held responsible for any other related costs, charges, or expenses, including cancellation/change charges assessed by airlines or travel agencies.  Refunds of registration fees, when cancelled by the registrant, are 90% refundable if notice is given via fax or e-mail prior to 30 days before the workshop.)

WUFI-ORNL / WUFI Pro Standard/Beginning Workshop:

WUFI Pro® Version 6 Features 

From Fraunhofer Institute of Building Physics,

The new  version of our simulation software WUFI Pro
® can now be obtained at the online shop. Version 6.0 shows many new features and improvements:
A simplified and more intuitive user experience
·         A new, faster and more stable calculation engine
A new climate menu that allows you to pick a location from the globe, performs further analysis on the related climate data file and displays the progression of all the climate elements contained within it
Additional climate files for 20 locations in South Korea
·         A user-defined climate database with the option to display your own locations on the map
·         A new materials database interface with a clearly laid out tree structure, convenient search function and new options for managing user-defined data
A materials database expanded to include a range of new materials characteristics
·         A WUFI® graph tool for evaluating results. For the first time, it is possible to directly compare different scenarios in a single view, compare WUFI® Pro (1D) and 2D simulation results and even evaluate conditions for multiple grid elements – including relative humidity. As a result, it is possible to evaluate wood components in accordance with Germany’s new WTA 6-8 specification governing the humidity assessment of such components – including the requirements set out in the specification for dynamically evaluating the ongoing risk of wood rot.
·         An interior climate model updated in line with Germany’s revised WTA 6-2 specification. Further updates allowing for free configuration of interior climate models to follow soon via a free update.

April 19-20, 2017 (Wednesday-Thursday), 8:00 a.m. to 5:00 p.m.:

           Hyatt Regency Reston
           1800 Presidents Street
            Classroom: Lake Fairfax A&B  
            Reston, VA 20190      
            (703) 709-1234

             This upscale hotel in central Reston is 1.6 miles from the Wiehle-Reston East metro station, 3.2 miles from Reston Zoo and 5.9 miles from Dulles International Airport. 

             Workshop Price:  $850 – (Reduced because lunch is on your own)

Click this link to register for the workshop:
          Hotel Reservation information is on your workshop registration.

Need a brochure?  Click here: VA.pdf

March 6-7, 2017 (Monday-Tuesday), 8:00 a.m. to 5:00 p.m.:
ADVANCED WUFI 1-D WORKSHOP (prerequisite:  prior WUFI workshop or equivalent experience using WUFI)

   Embassy Suites Napa Valley
   1075 California Blvd.
   Napa, CA  94559   
*      Advanced Fundamentals
*      Interpretation of Results
*     What material properties matter
*      Modelling ventilated cladding
Modelling mechanically attached roofs
*      Impact of Climate data
*      Update on interior loads
*      Review of explicit radiation
*      New climate data for moisture analysis (TRP 1325)
*      Modeling of brick systems
*      Temperature dependency of materials
*      Sorption hysteresis analysis
*      Case Studies (EIFs, wood deck roofs)

Click this link to register for the workshop or get more info


     Price:  The price of each 2-day workshop is U.S. $950.00 when lunch is provided, less where lunch is not provided.  Your morning and afternoon breaks are included.   

Payment Options:  We can accept Visa, Mastercard, Discover, and American Express through PayPal, even if you do not have a PayPal account Just click the links above to register, and follow through to the payment page.

Questions about the workshops?  E-mail