
Anonymous intervention review
Right-sizing a whole-home air-care setup.
Room-level monitoring followed what happened as a household reduced its reliance on four to five purifiers and a dehumidifier.
- 144
- days monitored
- 5–6
- appliances in the starting setup
- Stayed low
- particle levels after reduction
The decision
Was every appliance still earning its place?
The setup represented substantial equipment, filter and electricity cost. The monitoring question was whether a simpler operating strategy could retain controlled conditions.
- Reported setup
- 4–5 purifiers and 1 dehumidifier
- Representative equipment value
- £1,180–£1,495
- Estimated annual running and filters
- £565–£978
- Monitoring scope
- 27,779 observations
Observed transition
The setup was reduced. The air remained low in particles.
Operating stateRoom ARoom B
Full equipment setup
0.3
0.32
Reduced equipment setup
1.69
1.11
Average PM2.5 in µg/m³. The readings increased as filtration reduced, but remained low in both rooms.
Room and equipment photography is representative; the monitoring result is observed.
Could monitoring prevent an unnecessary equipment decision?
Tell us the rooms, current setup and decision that needs evidence.