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Demand Logic marks milestone in building management

Largest single building deployment of AirThings sensors at Legal and General Group’s London HQ, One Coleman Street

Demand Logic announces a significant milestone in the realm of building management with the largest-ever single deployment of AirThings devices for a UK building at One Coleman Street, Legal & General Group’s London HQ.

One Coleman Street trialled 8 devices on one floor in December 2023, before scaling up to install across the remaining floors with an additional 104 devices at the start of April 2024. The AirThings devices were deployed to monitor crucial environmental factors such as temperature, humidity, CO2 levels, VOCs, and Particulate Matter.

The data collected by the devices will be seamlessly integrated onto the Demand Logic platform, providing immediate access to actionable insights. Following a 7-day calibration period, the sensors will transition into continual monitoring mode, contributing to the development of the Demand Logic Comfort Score, a comprehensive metric for assessing occupant comfort levels, as well as highlighting areas of concern.

By harnessing cutting-edge technology, One Coleman Street aims to optimise occupant comfort, enhance air quality, and ultimately foster a healthier indoor environment for their building users.

Michael Hinton, Workplace Asset and Infrastructure Manager, Legal & General, said "I'm excited about the implementation of air quality sensors and the technological progress they represent for our workplace. These advancements not only promote a healthier environment but also showcase our dedication to utilising state-of-the-art technology for the welfare and efficiency of our team"

Nicola Fagan, Head of Environment,Legal & General, added “These developments are a significant positive step in helping us manage & reduce our environmental impact, demonstrating our commitment to safeguarding the planet for future generations, alongside meeting our long term environment targets and net zero ambition”.

This deployment serves as a cornerstone for Demand Logic as they prepare for a larger rollout across Legal & General Group’s corporate office estate, which will encompass further IAQ installations as well as integrating their market leading Insight and Optimise Platform to Legal & General Group’s Building Management Systems (BMS), Heating, Ventilation, and Air Conditioning (HVAC) optimisation.

“A deployment of IAQ devices of this scale, is a huge achievement for our team and emphasises the impact that our diverse set of solutions can provide when working with industry leading companies such as Legal & General Group”, said William Hulls, Chief Revenue Officer, Demand Logic. “We are delighted with the initial results we are seeing and the impact this can have at One Coleman Street, as well as across the wider portfolio.”

About Demand Logic

Demand Logic is a multi-award-winning building analytics platform which provides real-time data intelligence on how a building is operating. The Demand Logic platform delivers actionable insights and measurable benefits, such as energy and carbon savings, enhanced asset value, streamlined maintenance, cost reductions, improved comfort, and tenant retention.

Demand Logic is saving clients £25 million in energy cost and 120,000 tonnes of carbon emissions per year. For more information, visit:

About Legal and General Group

Established in 1836, Legal & General is one of the UK's leading financial services groups and a major global investor, with £1.2 trillion in total assets under management (as at FY23) of which c40% (circa £0.5 trillion) is international. We have a highly synergistic business model, which continues to drive strong returns. We are a leading international player in Institutional Retirement, in Retail Savings and Protection, and in both public and private markets through our Asset Management division. Across the Group, we are committed to responsible investing and dedicated to serving the long-term savings and investment needs of customers and society. 

About AirThings

Airthings is the global leader in indoor air quality and energy-efficiency solutions for homeowners, businesses, and professionals. Founded in 2008, Airthings is on a mission to ensure that people around the world recognize the impact of indoor air quality and take control of their health through simple, affordable, and accurate technology solutions while optimizing energy consumption in buildings. Airthings has sold more than 1 million monitors, making radon detection and indoor air quality monitoring easy to deploy, accurate, and user friendly for over half a million people. The company has received several accolades including the TIME Best Inventions Award and CES Innovation Award Honors.

Headquartered in the heart of Oslo, Norway, and with offices in the US and Sweden the company has over 130 employees from more than 35 nationalities—and counting. To see the full range of Airthings indoor air quality solutions, or to learn more about the importance of continuous air quality monitoring for businesses, please visit