INDOOR AIR QUALITY


Smart-enabled fan improves ventilation and property monitoring


Designed specifically for the social housing sector, the new Lo-Carbon Revive 7 integrates VENT�AXIA’s smart-enabled fan technology with Switchee’s in-home connectivity to deliver energy-efficient ventilation, real-time environmental insights, tamper-proof performance, and proactive communication between landlords and residents. The Lo-Carbon Revive 7 is a filter-less


Scottish school sets example for low-


carbon public buildings breakout zones, Gilberts’ fixed (GD) and adjustable (GSJA) high capacity omni-directional swirl diffusers plus linear bar grilles (LG) maintain the compliant indoor air quality. Their designs mean fresh incoming air is rapidly mixed without excess noise or draughts, and used air extracted in line with each zone’s specific air change and heat loading requirements. The swirls have all been strategically installed into the suspended ceilings of the learning spaces whilst the linear bar grilles are sited in bulkheads to provide air distribution into and out of the space. The gymnasiums are covered by drum


Fife Council’s new Dunfermline Learning Campus is setting the path for the nation’s Net Zero Public Building Standard, using Passivhaus Classic as a baseline. GILBERTS BLACKPOOL has played a pivotal background role in turning the objective into a reality. Core aims in the building services design


have been low carbon consumption, internal comfort and good indoor air quality, supplied by mechanical ventilation with heat recovery contributing towards energy consumption of <58kWh/m2/annum. To ensure the correct air quality and


levels of air movement – in line with BB101 – whilst taking into account idiosyncrasies of the building design, Gilberts’ grilles and diffusers have been used throughout the Campus's two new schools, Woodmill and St Columba’s. Across the learning spaces and


Traffic light system simplifies monitoring


A traffic light system has been introduced to the SIEMENS range of room sensors to enable any issues with indoor air quality (IAQ) to be identified at a glance. The sensors measure temperature,


relative humidity, carbon dioxide (CO₂), and total volatile organic compounds (TVOC). The visual display uses green, amber and red lights to indicate good, moderate or poor air quality in real time, providing occupants with an immediate cue to adjust ventilation or take other measures. The traffic light system simplifies


monitoring in environments where maintaining IAQ is important, such as schools, hospitals and care homes. By giving a clear visual indication of CO₂ levels and overall air quality, the sensors support proactive ventilation and encourage awareness of indoor environmental


EIBI | OCTOBER 2025


louvres, chosen for their ease of installation into the non-standard ceiling tiles and their ability to deliver the high capacity and long throw necessary for such large spaces. ▄ gilbertsblackpool.com


unitary fan which already incorporates an in-built data monitoring system. However, by integrating Switchee’s real-time data insights, social housing landlords can now proactively manage properties and support residents. Providing instant insights into humidity, temperature, and fan usage, the Revive 7 Switchee-enabled model provides early


Air handling retrofit improves reliability in labs


When the University of Oxford needed to upgrade the air handling at its Environmental Sciences and Materials Facility (ES/MF), the stakes were high. This wasn’t just another HVAC job, this was about ensuring reliability for critical laboratory spaces, where downtime simply isn’t an option. The existing fan system was a legacy double-inlet arrangement with two motors and two belts, presenting a single point of failure and raising concerns over efficiency and maintainability. The retrofit involved installing a multiple fan array, or fan wall, to provide redundancy and improve airflow performance. AirHandlers Northern fabricated and installed the pre- manufactured frame, while AXAIR FANS UK supplied and fitted six Rosenberg I-Wheel 450 EC plug fans and a dedicated wiring cabinet. Wiring between the fans and control enclosure was completed to allow future scalability, including potential


Sensor provides continuous indoor


conditions without requiring technical expertise. Available in black and white options for all models, the new range offers improved aesthetics, touch screens for easier measurement changes, mobile apps for ease of configuration and higher sensor accuracies. The redesign combines updated aesthetics with enhanced functionality, allowing real-time monitoring of air quality in a variety of commercial and institutional settings. ▄ www.siemens.co.uk


air monitoring A new LoRaWAN-enabled Indoor Air Quality (IAQ) sensor has been launched by PRESSAC COMMUNICATIONS, designed to monitor conditions in commercial and office environments. The sensor measures temperature, humidity, carbon dioxide (CO₂) levels, and volatile organic compounds (VOCs), providing continuous data on indoor air quality. It is RESET air accredited, indicating compliance with recognised standards


detection of damp, mould, or poor air quality, enabling social housing providers to better target resources, identify at-risk homes, and offer tailored resident support. With direct messaging capabilities and


localised temperature tracking, it also enhances communication with tenants, allowing landlords to provide environmental recommendations. ▄ www.vent-axia.com/social-housing


Modbus connectivity. The fan wall exceeds an N+1 redundancy standard, ensuring the system continues to operate even if one fan fails. Additional installation work included the


replacement of deteriorated flexible ducting, which required desk-surfer platforms to access restricted areas, and upgrades to the building management system outstations to integrate with laboratory air quality and safety controls. Electrical rerouting and careful coordination between trades ensured the retrofit was completed safely while maintaining ongoing laboratory operations. ▄ www.axair-fans.co.uk


for measuring and reporting air quality. The device uses LoRaWAN technology


for long-range, low-power wireless communication, allowing real-time monitoring without extensive infrastructure modifications. It is designed for compact installation and can be deployed in a range of settings, from small offices to larger commercial buildings. The sensor’s data can be integrated into existing building management platforms, supporting analysis and decisions on ventilation and environmental control. The product is a scalable sensor built on open standards that integrate seamlessly into existing platforms. ▄ www.pressac.com


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