Better Buildings /
Smarter Cities

Reducing Energy and Costs with Integrated Building Performance Analysis


Driving a smart urban lifecycle


Ensuring sustainable designs live up to expectation


Getting existing buildings to stop wasting energy

City Level

Clustering energy needs to create smart communities

Make every element of your building sustainable



Help us save 100 Power Stations from being built using the Virtual Environment

Find out more
- Number of 500MW Power Stations saved
- Global peak load saving (MW)


Thoughts | Insights | Resources

Only by looking at buildings and cities as the integrated environments that they are - instead of parts of the problem in isolation - can we ensure everyone involved in the conception, design or management of a building gets to leave our world in a much better state than we inherited it.

Interview with AECOM: Discover the mind-set behind the winning entry of the Building Simulation 2017 Open Practitioner Competition

by Liam Buckley

As part of the Building Simulation 2017 Conference in San Francisco in August, the local IBPSA-San Francisco Bay Area Chapter…

SWECO use IESVE to Help Create World’s Most Sustainable Building

by Suzanne Wallace

Bloomberg’s new European Headquarters in London opened today, and has been billed as the most sustainable building in the world….

Students scoop top prize in System Selection category of 2017 ASHRAE Student Competition using IESVE

by Suzanne Wallace

A team of students from Warsaw University of Technology in Poland were last month named the winners of the ‘HVAC…

IES Supports Launch of CIBSE’s new Society of Digital Engineering

by Karen Duffin

On 12th September 2017, CIBSE launched the brand new Society of Digital Engineering (SDE). The society has been formed to…

What is the 4RinEU Project?

by John Goucher

A big part of Europe’s building stock is inefficient in terms of energy use, mainly as a consequence of excessive…

Megan Tosh Receives ASHRAE Distinguished Service Award

by Suzanne Wallace

We’re proud to announce that Megan Tosh, Product Manager at IES, has received the ASHRAE Distinguished Service Award. The award…

IES Makes Shortlist for Building Awards’ Digital Efficiency Initiative of the Year!

by Karen Duffin

We are delighted to announce that our latest software release – VE2017 – has been shortlisted in the Digital Efficiency…

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