System Sensor is a global manufacturer of fire and life safety devices, specialising in smoke detection, carbon monoxide detection, and notification technology. Founded in 1984 and now part of Honeywell Building Technologies, they produce a range of detection products for different applications, from beam detectors for large spaces to duct smoke detectors for HVAC systems, along with notification appliances and relays. They provide extensive technical support, training, and resources to help installers and building managers implement their systems. Referrals suit companies working on building automation projects that need fire detection equipment or notification systems for commercial and industrial applications.