Lighting control systems that cut lighting energy you can measure and stay easy to run after handover

It can, and lighting is one of the easiest building loads to cut, but the saving comes from the control strategy, not the hardware. The system reduces energy by switching lights off in empty spaces, dimming to available daylight, and running to your real hours instead of all day. Those savings only appear if the strategy is commissioned and someone owns it after handover. We meter the lighting load and record a baseline before tuning, so the reduction is measured on your bill, not estimated in a brochure.

DALI-2 (IEC 62386) addresses each luminaire and is built specifically for lighting, so it is the usual choice where you want fine dimming and control fitting by fitting. KNX (ISO/IEC 14543-3) is a building-wide control bus that handles lighting alongside blinds, HVAC and scenes, so it suits projects integrating more than lighting alone. Many buildings use both: DALI within each space, KNX across the building. We specify based on how much you want to control and integrate, not on a single preferred brand.

Often you can add it, depending on what you already run. We survey your current BMS, its protocol and its spare capacity first. Where the building management system speaks an open protocol like BACnet, we bring lighting onto it rather than installing a parallel system. Where the existing system is closed or undocumented, we show you the honest comparison between extending it and starting clean before you spend.

It depends on how your spaces are used. Scheduling alone suits areas with predictable hours, such as a reception that runs nine to six. Occupancy sensing earns its place in spaces used unpredictably, like meeting rooms, washrooms and stores, and daylight sensing pays back wherever there is glass and perimeter lighting. We set the mix space by space during the survey, so you pay for the sensors that return a saving, not for sensors watching a room that is always full.

Not when the system is designed on open protocols. DALI-2 and KNX are multi-vendor standards, so you can buy compliant drivers, sensors and luminaires from more than one maker and add to the system later. We hand over the addressing and configuration files as named deliverables, so any competent controls contractor can maintain or extend it. If a proposal ties you to one brand’s closed ecosystem, that is a commercial choice, not a technical requirement, and we will tell you so.

The cost depends on the number of control points, how fine the zoning is, the protocol, the number and type of sensors, and whether it is a retrofit or designed in from the start. A floor that controls every luminaire on DALI with daylight and occupancy sensing costs more than switched zones on a timer, and does far more. We do not publish a rate card, because a real figure comes from your control strategy and your building, not an average. Book a lighting control assessment and you get an indicative budget range for your building in writing.