Cart is emptyThe AOV Direct Knowledge Hub is your complete resource for AOV system design, UK building regulations, product selection, and fire safety compliance. Browse our expert guides below.
AOV System Fundamentals
What Is an AOV System? A Complete Guide
Learn what an Automatic Opening Vent system is, how it protects building occupants, and where it is used across residential and commercial buildings.
How Does an Automatic Opening Vent Work?
A step-by-step explanation of how AOV systems detect smoke, trigger actuators, clear escape routes, and interface with fire alarm systems.
UK Building Regulations & Compliance
AOV Building Regulations UK
Approved Document B requirements, BS 9991 obligations, and how the Building Safety Act 2022 affects AOV provision in new and existing buildings.
When Does a Building Need an AOV System?
The 11-metre rule, building types that require AOV, and when natural ventilation alone is acceptable under UK regulations.
British Standards Explained
BS 9991:2024 — Key Changes Explained
What changed in the 2024 amendment to the residential fire safety standard and how it affects AOV system design and higher-risk buildings.
BS EN 12101-10: Battery Backup Requirements
The European standard for AOV power supplies — standby duration, charging requirements, fault monitoring, and how to choose the right BBU.
Product Selection Guides
O-Range Smoke Control Panel Guide
Features, wiring, commissioning, and compatibility of the O-Range smoke control panel range for single and multi-zone AOV installations.
Single-Zone vs Multi-Zone Smoke Control Panels
How to choose between single and multi-zone AOV control panels based on your building’s fire strategy and zone requirements.
Installation & Maintenance
AOV Systems for Residential Flats Over 11m
Design requirements, system components, installation arrangements, and maintenance obligations for AOV in blocks of flats above 11 metres.
AOV Maintenance Requirements UK
Legal obligations, test frequencies, battery replacement schedules, and record-keeping requirements for AOV systems under UK fire safety law.
All AOV Direct guides are written by fire safety specialists and updated to reflect current UK building regulations. For product enquiries or technical support, contact our team or call 01202 725 677.