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How Can LightFi Work with BREEAM In-Use Criteria to Ensure the Most Sustainable Buildings?

10 November 2022

Innovative Proptech companies such as LightFi are paving the way to net-zero by helping buildings become more energy efficient whilst promoting occupant health and wellbeing.

Kalli Stuart, Graduate ESG Consultant at Knight Frank, explains how LightFi’s technology works with the BREEAM In-Use criteria to assist their clients.


Asset Performance: Energy Efficient Technology


Knight Frank is proud to have been working with LightFi since 2020. LightFi’s technology works with the BREEAM In-Use criteria by helping clients with:


  1. Energy efficiency – achieving meaningful energy savings to meet net-zero targets
  2. Promoting occupant health & wellbeing through cutting-edge IAQ
  3. Building optimisation with granular occupancy data


In the indoor environment, LightFi applies to the BREEAM criteria through ventilation control and indoor air quality and carbon dioxide management. LightFi’s HVAC optimisation and automation tech allows clients to control and save energy and deliver a comfortable and productive occupier space. The company's dynamic control sensors, occupancy and IAQ data can integrate directly into any building's control/management system to achieve significant energy and carbon savings whilst ensuring occupants' comfort and satisfaction.

LightFi's real-time occupancy data highlights how many people are using a space, to ensure buildings use only the resources they need. In fact, a single LightFi Base sensor in a building can save as much carbon as planting 500 trees. LightFi's IoT technology and its integration for specific building automation and control strategies has the potential to reduce a building's Heating, Ventilation and Air Conditioning (HVAC) energy consumption by up to 25 per cent. 

LightFi worked with Transport for London (TFL) to deliver energy efficiency targets for their 25,000 sqm London office in Endeavour Square, Stratford. By controlling just one floor of the building, the energy savings came to approximately £4,700 from reconfiguring the AHU fan's speed. TFL saw ROI in just 8 months, and the potential savings across all 9 floors of the building worked out to be £51K annually, equivalent to 17 per cent savings of the in-hours total energy consumption. Along with significant energy savings, installing LightFi’s technology significantly improved the building's DEC rating.


Health and Wellbeing in Buildings


With an increased focus on public health post-pandemic, staff wellbeing has become a high priority for businesses and landlords. BREEAM In-Use addresses the impact of the built environment on health and wellbeing within multiple categories such as indoor environment, ecology, outdoor space, active/healthy lifestyle, safety and security.

LightFi provides a solution that enhances occupants' comfort, allowing employees to feel safe and productive within their workspace. On-demand, smart building control, and building-specific control strategies can improve comfort and building performance through:

  1. A decrease in uncomfortable drafts
  2. 40 per cent reduction in logged comfort complaints
  3. Improved overall IAQ and better workplace experience
  4. Balance of energy efficiency, IAQ and comfort


Researchers at Harvard have shown that exposure to high levels of CO2 in the workplace can reduce cognitive and decision-making performance by 50 per cent. According to the NHS, poor indoor air quality contributes to Sick Building Syndrome (SBS), common in office space, which causes headaches, fatigue, and dry eyes. LightFi’s SuperAHUTM system uses UVC/ionization technology and advanced air-flow management to filter out bacteria, viruses and other pollutants, reducing overall indoor air pollution.


Visit LightFi at EMEX 2022 – Stand A57


Use real-time occupancy data to save energy, optimise space & provide a healthy working environment – in line with the race to net-zero buildings.

LightFi aims to enable commercial spaces to save on energy and create healthy efficient workspaces through the use of real-time occupancy data, integrated with your building management system.

People coming into the office are greeted with healthy, well-ventilated spaces that respond proactively to changes in air quality, in line with indoor air guidelines.

Click here to register for your free ticket for EMEX 2022.

Picture: a graphic showing a multi-floor commercial building. Image Credit: Pixabay

Article written by Kalli Stuart | Published 10 November 2022


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