A completely modular solution, DesignBuilder comprises a core 3-D modeller and 11 modules which work together to provide in-depth analysis for any building. Every module fully integrates …

Having used the majority of the alternative building simulation software packages on the market, I found without a doubt DesignBuilder the most user friendly and enjoyable to use. The …

These tutorials cover the key areas needed to get started, including how to quickly create and edit building geometry, automated adjacency assignment, importing/exporting models from/to other …

To get your free 30 day trial of DesignBuilder Download DesignBuilder from our download area. Install* the download - by double clicking on the downloaded msi file. Run DesignBuilder and …

Whether you import your models from 3-D BIM or draw directly in our modeller, DesignBuilder provides accurate energy, comfort, cost and daylighting performance data to help inform and …

The modelling must take into account the entire building envelope, external shading, and all lighting, ventilation and HVAC equipment, as well as equipment heat loads in some building …

Standalone DesignBuilder Results Viewer v4.0 The Results Viewer is a separate application which can be used to view EnergyPlus results and other data stored in one or more .eso, .csv …

Our mission is to provide excellent software and support, removing barriers so you can optimise and certify building performance more productively and cost-effectively.

Nov 12, 2025 · For UK EPC and Building Regulations compliance version downloads please visit our Certification UK and Ireland Approved Versions page

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