Our Solution
4D Monitoring’s sound sensors measure ambient noise levels across rooms and floors, providing real-time visibility of acoustic comfort. By tracking patterns over time, facilities managers can identify consistently noisy areas, detect abnormal spikes, and take action before complaints arise.
The data is delivered to your secure online dashboard, where it can be combined with temperature, CO₂, humidity, and light to build a complete picture of comfort and space performance.
Occupant complaints are a common consequence of poorly managed temperatures, ranging from discomfort in underheated or overheated areas to frustration with inconsistent conditions between floors or zones. Beyond reducing satisfaction, frequent complaints place added pressure on facilities teams and can negatively affect productivity and wellbeing — issues highlighted in CIBSE’s guidance on thermal comfort.
Occupant Complaints
Wasting Energy
Noise is one of the most common workplace complaints — but it’s often invisible until someone raises a ticket. Consistent exposure to high sound levels affects concentration, wellbeing, and even health.
<why it matters>
Productivity Loss
High background noise in open-plan offices, meeting areas, or shared spaces is one of the top sources of complaints. Poor acoustic comfort frustrates tenants and makes spaces less attractive to use.
Mechanical Faults
Unexpected or abnormal noise from HVAC systems, pumps, or other plant equipment is often one of the earliest signs of wear or failure. Monitoring sound signatures allows issues to be detected and addressed before they become disruptive faults.
Case Study
At Swan Lane, a six-floor office building in central London, sensors were installed across tenant spaces to track room-level comfort, including noise. Data revealed conditions that were affecting tenant experience and driving unnecessary complaints.
With this visibility, facilities managers were able to adjust layouts, rebalance plant schedules, and take targeted steps to improve the working environment. Tenants reported fewer comfort issues, and the site saw a measurable drop in helpdesk tickets related to workplace conditions.
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