D+H Window Actuators

D+H is a global leader in automated smoke ventilation and window actuation systems. Their intelligent 24V chain actuators, control panels, sensors, and accessories are trusted across the UK for natural ventilation, AOV compliance, and smoke extraction in commercial and residential buildings. Built to meet EN12101 and CE marking standards, D+H products are designed for fast, safe, and compliant smoke control. Whether you’re automating façade windows, fitting stairwell AOVs, or integrating daily ventilation with fire safety override, D+H offers robust, scalable solutions built to perform when it matters most.