Our Solution
4D Monitoring uses discreet wireless sensors to track how often and when doors are opened. By monitoring door usage alongside temperature, CO₂, and occupancy, facilities teams gain visibility into how spaces are accessed and used throughout the day.
This data helps identify high-traffic areas, reduce unnecessary energy loss, and ensure building systems respond correctly to real patterns of use. It can also highlight security concerns or access issues that might otherwise go unnoticed.
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
Doors are often the invisible link between comfort, energy, and security. Every unnecessary opening affects heating, cooling, and air quality, while usage patterns highlight how spaces are really accessed. Door usage monitoring closes this gap, helping teams run buildings more efficiently and safely.
<why it matters>
Usage Trends
FM teams often lack data on how spaces are accessed day-to-day. Monitoring provides objective insight into usage trends that can inform cleaning, staffing, and service planning.
High Traffic
Without clear data, it’s hard to know which doors or access points get the most use. Monitoring helps identify congestion points and opportunities to improve layouts.
Case Study
At Bermondsey Square, door sensors were installed in shared lobbies and plant access points. The data showed high levels of after-hours usage and frequent door openings that destabilised indoor comfort in adjacent tenant areas.
Armed with this information, the facilities team adjusted HVAC schedules, improved sealing, and engaged tenants to reduce unnecessary usage. This cut wasted energy, improved comfort, and added a layer of visibility to site security.
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