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Residential Stairwell AOV Systems: Supply, Install, Maintain, Repair & Service
We supply, install, maintain, repair and service residential stairwell aov systems across the UK, covering Ventlux and all other makes.

Supply from £361.35Price is for the product supplied only: Ventlux SVM Micro 4A controller (core component), as listed on the iComply Supplies shop (iComply is not VAT registered, so no VAT is added). Shop prices can change.This is the lowest-priced related item in our shop; the main unit itself is priced after survey.Installation, maintenance, repair and servicing: POA (price on application, after a free survey and written quote).

What are residential stairwell aov systems?
A residential stair AOV system is a complete package of vent, actuator, controller, detectors and call points for a block of flats or HMO stair.
Where they are used
Purpose-built flats, converted flats and HMOs.
Pros
- Protects the escape stair
- Usually required by the fire strategy
Cons
- Needs yearly service
Standards and regulations
Smoke control components are covered by the BS EN 12101 series (for example EN 12101-2 for natural smoke and heat exhaust ventilators, EN 12101-3 for powered fans, EN 12101-6 for pressure differential systems, EN 12101-8 for smoke dampers, EN 12101-9 for control panels and EN 12101-10 for power supplies). Design follows Approved Document B (England), BS 9991 (residential) or BS 9999 (other buildings), with Scottish, Welsh and Northern Irish equivalents. Under the Regulatory Reform (Fire Safety) Order 2005 the responsible person must keep systems maintained.
Installation considerations
We survey the stair, existing vents, power and the fire risk assessment. From price is the controller; full systems quoted after survey.
Every installation starts with a free survey. We confirm the specification, give you a written quote, install and commission the system, and hand over with test records and instructions.

Maintenance of residential stairwell aov systems
Planned maintenance keeps residential stairwell aov systems safe and reliable and gives you records for insurers and inspections. We service Ventlux and all other makes: we check fixings, wear, power and battery backup, controls and safety devices, adjust and lubricate where needed, test operation end to end and leave a written report with any recommended actions.
Repairs
If your residential stairwell aov systems has stopped working, is noisy, is opening or closing on its own or is showing a fault, we fault-find on site and repair it, often on the first visit using parts from our shop. We repair systems we did not install and work on all common makes.
Servicing
Servicing intervals depend on use and risk; most sites have a service at least once a year, busy or safety-critical systems more often. We can set up a service contract with reminders so it is never missed. Installation, maintenance, repair and service prices are POA after a free survey and quote.
FAQs
Does my block need an AOV?
Check the fire strategy and fire risk assessment; we can advise.
Can you take over servicing?
Yes.
How long to install?
Often a day or two for a single stair.
Do you service and repair residential stairwell aov systems you did not install?
Yes. We supply, install, maintain, repair and service residential stairwell aov systems of all common makes, whoever fitted them.
How much does it cost to install or service residential stairwell aov systems?
Installation, maintenance, repair and servicing are POA (price on application). We give a free chat, free survey and a written quote first.
Related types
Where we work
Popular areas for residential stairwell aov systems 24
Book a free chat, quote & surveyCall 07517 806082WhatsApp us