For Engineers

Spend more time designing and less time modelling. An easy-to-use interface to accurately quantify performance in the fastest available workflow.

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For Architects

Fast, accurate modelling throughout the whole design process gives you confidence in your designs from concept to completion.

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For Energy Assessors

Confidently generate certificates and maximise QA audit success using the fastest and easiest software available.


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Based on the gold standard open source EnergyPlus simulation engine, DesignBuilder is now the most widely used energy modelling tool in education. University departments prefer DesignBuilder because it is quick and easy to learn, allowing the teaching process to focus on design and simulation issues. At the same time the software offers researchers unparalleled flexibility through access to EnergyPlus and Radiance input files and a range of advanced scripting tools.

We have an active education programme to assist university departments in using the software as part of their teaching process and can offer:

  • Substantial educational discounts for universities and research organisations.
  • Free student license packages for universities purchasing an educational site license.
  • Student personal licences for £50.
  • Interactive on-demand training content teaches students all the necessary software fundamentals without any lecturer time or the need for a classroom.
  • Freely available teaching materials for use on university courses.
"We have had a very positive experience with DesignBuilder this semester as it was the first year we shifted from our previous simulation software to DesignBuilder. Our students seem to spend less time on learning the software and more on actually understanding the results and being able to analyse them."
Dr Shahaboddin Resalati - Senior Lecturer in Sustainable Architecture and Building Physics Architectural Engineering Group, School of Architecture
Oxford Brookes University, UK

     See also our Education testimonials page to read what other university course leaders, researchers and students are saying about DesignBuilder.

Discounts for Educational Establishments

You are entitled to a substantial discount on the listed commercial price if:

  • You are purchasing DesignBuilder to be used exclusively for educational purposes within a school, college, university or other educational establishment or
  • You are a commercial organisation planning to use the software exclusively for educational events such as training workshops.    

Please make sure you are logged in before you access the discount application form. If you do not have a login and password, please register.

  • Fill in our Educational discount application form giving contact details of your organisation  and your requirements (you must be logged in to the site first).
  • Once we approve your application you will be notified by email. The email will include a discount voucher code. (We usually respond within 48 hours).
  • Enter the code during the checkout stage of the online order process to obtain your discount.

Discounted Student Personal License

Student personal licenses are provided free to educational institutes when they purchase educational site network licenses. The number of free licenses offered will be equivalent to the highest number of seats purchased on any particular module. Thereafter, these licences can be purchased at highly discounted rates.

In cases where student personal licences are not available through the university, undergraduate and postgraduate students wishing to use DesignBuilder on their own computer can apply to purchase a licence for £50 per year.

In summary, students can obtain a student personal license in one of 3 ways:

  • Directly from their university (if the university has a student license package).
  • By applying from this website using the student discount form (you must be logged in to the site first).
  • From a local DesignBuilder reseller.

When applying for a student license, you must supply the name of your educational establishment, the department, the name of your supervisor and a departmental contact telephone number. You must be in full time education for at least 3 months from the time of application.

Once your application is approved, you will be able to purchase the license on the website. You are able to re-apply for a student personal licence after expiry. Support is limited to the on-line tutorials and training resources on our website. We are not able to provide support through our help desk for students.

If you plan to use DesignBuilder on a computer at your school, college or university you should purchase an educational license instead of a student one.

Note that universities using DesignBuilder for teaching or research must order at least one educational licence to enable the staff to support the students. Staff may not use student licences and student licences may not be installed on university machines.

Please make sure you are logged in to the website before you access the student discount application form. If you do not have a login and password, please register.

Get Started with DesignBuilder for Free

Find out for yourself why so many companies and universities choose DesignBuilder
  • "I have watched the steady progression of DesignBuilder for the last 10 years or so, and having seen recent improvements in DesignBuilder’s HVAC and LEED modeling I decided to attend their training. I was both surprised and pleased to find how easy to use DesignBuilder is compared to the other similar tools I’ve tried, especially given the power and flexibility offered by the underlying EnergyPlus, Radiance and CFD engines. I’m really pleased that after a week’s training I feel ready to produce accurate results and outputs for loads and sizing calculations and energy analysis. The ability to also undertake fully-integrated daylighting and CFD analysis from the same model you use for loads and thermal simulations is also a very big plus point."
    David Ellis PE, Virginia 22102, USA
  • " We have had a very positive experience with DesignBuilder this semester as it was the first year we shifted from our previous simulation software to DesignBuilder. Our students seem to spend less time on learning the software and more on actually understanding the results and being able to analyse them."
    Dr Shahaboddin Resalati - Senior Lecturer in Sustainable Architecture and Building Physics Architectural Engineering Group, School of Architecture, Oxford Brookes University, UK
  • " The graphical user interface of DesignBuilder is comprehensive and intuitive, allowing us to model complex buildings simply and quickly. The data management structure (data hierarchy and inheritance) allows us to assign model data quickly and accurately, improving our efficiency. The power and flexibility of EnergyPlus, the underlying simulation engine, enables us to model a building in fine detail where required so that we can accurately analyse its performance. This is particularly helpful when calibrating the model with actual energy consumption to obtain a reliable close match when assessing potential improvements and energy conservation measures."
    Alessandro Righi, architect and researcher at IUAV - Laboratory technical physics
  • " We utilised DesignBuilder software to carry out detailed natural ventilation assessments on buildings at our UK gas plants in order to demonstrate compliance with hazardous area regulations. First of all I would like to praise the initial support received from DesignBuilder staff, who were extremely knowledgeable and provided a welcoming point of contact for support and advice. 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 modelling program itself is fantastically simple allowing even complex buildings to be developed quickly and easily. The user interface of the calculation part of the software is well thought out and the results outputs are graphical and concise. Within a few hours I had got to grips with the software and obtained the results I desired. It has allowed Shell to present compliance to regulating authorities, who were also impressed with the visualisation displays and graphical outputs. I fully endorse DesignBuilder, and in particular how easy it was to learn and use compared to similar building simulation software on the market. "
    Iain Begg, Senior HVAC Engineer, Shell Projects and Technology Group, Aberdeen, Scotland
  • " DesignBuilder’s clear, well-structured layout and intuitive help system makes it a much simpler tool to learn and use, and compared to other simulation packages the creation of professional-looking geometry is much easier. The ease of use extends to other areas of the program such as thermal bridging analysis and setting up HVAC systems, and the capability to easily model adjacent ground conditions is very useful. A very important aspect of our work is optimisation, and DesignBuilder seems to be the only software that currently provides this functionality. We are encouraged that the development team have taken some of our functionality and user efficiency suggestions on board for the next release. We are already using DesignBuilder for research, and for the above reasons we think it is a tool that our students will find easier to use so we will be using it for teaching next academic year. "
    Professor Ljubomir Jankovic, Birmingham School of Architecture, Birmingham City University
  • " We decided to go out and measure some natural light levels in buildings that we have access to.... One building was our own office, and the other was a green building we worked on which will be tenanted in 2 weeks so we had a chance to take readings in the same environment for which we simulated. I am happy to say that the DesignBuilder results are very close to what we measured... What impresses me is that if we measure a value of 250 lux at 3m from the facade, DB returns similar values. This means that if we say that 40% of a building's usable area will have lux levels of 250 or above, then the measured results correlate with that. ... It certainly makes us confident in the results we give to clients."
    Warren Gray, Mechanical Engineer, Solid Green Consulting
  • " First of all I would like to thank you very much for the outstanding online training that you made possible for our team. I was very happy that we could join with three people in an online training that offered us as an outstanding value. ... The course with DesignBuilder is going very well and we have some great feedback from the students.... Your data entry GUI makes it easy for students not only to “accept defaults” but to experiment. In addition your online help is extremely thorough and you present not only the theoretical background but also offer great links to the reference. You might not realize what a powerful learning tool this is; but it is. We think you have created something very valuable and we are looking forward very much to where your company goes from here... Thanks again for your great support."
    Dr Manfred J. Zapka, University of Hawaii
  • " Gold stars all round .... Many thanks again for the high quality of customer service I receive from all at DesignBuilder, it is quite refreshing and a credit to your company."
    Mark O’Neill, DM Hall LLP, Glasgow, Scotland
  • "I worked with several building simulation applications and chose DesignBuilder because it had all the tools I needed in one place. It fitted well with the combined operational and embodied emissions objectives of my book, whilst squeezing every ‘gram’ of building performance through multi-objective optimisation."
    Prof Jankovic, Energy & Buildings, University of Salford, UK

Case Studies

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Contact Us

  • DesignBuilder Software Ltd
    Office D
    Five Valleys
    Stroud, Gloucs
    GL5 1RR
    UK 
  • +44 (0) 1453 755500
  • info@designbuilder.co.uk
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