Our Solution
4D Monitoring’s wireless sensors continuously track humidity at room and zone level. By combining humidity data with temperature and occupancy trends, facilities teams can see where conditions are drifting outside healthy ranges.
Alerts flag high humidity that risks damp or mould, as well as low humidity that causes discomfort or dryness. This enables timely interventions — from adjusting ventilation to investigating leaks — before issues escalate into complaints or costly repairs.
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
Humidity directly affects both tenant wellbeing and building health. Left unchecked, high humidity can lead to damp, mould, and regulatory breaches. Low humidity, often in winter heating seasons, causes discomfort and complaints. Monitoring ensures a balance that keeps people comfortable and assets protected.
<why it matters>
Damp and Mould Risk
High humidity creates the perfect conditions for damp patches and mould growth. These issues damage building fabric, harm tenant health, and often escalate into disputes if not tackled early. Monitoring provides an early warning so conditions can be corrected before problems develop.
Poor Visibility
Without reliable data, landlords and FM teams are left relying on guesswork or tenant complaints to identify humidity problems. This makes it harder to justify interventions or prove compliance, and often leads to disputes.
Case Study
At a residential portfolio monitored by 4D, humidity sensors highlighted consistently high levels in several apartments. The data revealed inadequate ventilation and early signs of damp, which were addressed before tenants raised complaints.
This proactive intervention prevented mould growth, reduced repair costs, and provided evidence of landlord action — supporting both compliance and tenant satisfaction.
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