DesignBuilder Software

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DesignBuilder Software USA is the developer of quality software products for building science. We offer products ranging From the whole building energy simulation tools EFEN and DesignBuilder, which incorporate EnergyPlus simulation engine, to the family of software tools for modeling building facades and fenestration systems.

DesignBuilder Software also provides program training and support, energy simulation workshops, energy simulation services and building design consulting.

For more details and purchasing options for the software tools, please visit Products page or click on one of the software tools listed on the left.

In addition to quality software tools and services, we also specialize in NFRC certified simulations and thermal testing. For details about these services, please visit www.fenestration.com and send us a request for a quote or call us to discuss your needs.

News
EFEN version 1.0.05 available now! EFEN is EnergyPlus based program for the analysis of energy performance of prototypical commercial buildings and parametric analysis of energy effects of windows and other fenestration products . The program provides intuitive and extremely user-friendly GUI and analyses energy and financial impacts of the selection of fenestration products for a commercial building. learn more>>
FENSTRUCT 1.0 available now! Microsoft Windows based tool for analyzing structural performance of fenestration products learn more>>	GLASTRUCT 1.0 Beta available now! Microsoft Windows based PC program for analyzing structural performance of glass and glazing systems learn more>>
FENSIZE NEWS! FENSIZE program is no longer offered by DesignBuilder Software. This program has been transferred to NFRC and will be soon provided on their web site for sale, under the NFRC umbrella. New program, successor to FENSIZE, is being developed by DesignBuilder Software for NFRC which will have full NFRC rating and certification functionality. Please check NFRC web site periodically for program announcements and test version.

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