How often smoke and heat alarms should be tested — and why interlinked alarms matter in HMOs.
Smoke and heat alarms protect tenants and reduce fire risk when maintained properly.
Testing Frequency
- Monthly functional test
- Annual electrical test
- Battery backup check
HMO Requirements
The required alarm grade, coverage and interconnection depend on the HMO layout, occupancy, fire-risk assessment and local licensing conditions. Interconnection is commonly required so alarms can warn occupants throughout the relevant areas.