Calectro´s business is based on components, such as sensors. The company was founded in 1969, and we are located in Gothenburg, Sweden. Our philosophy is to focus on the customer. Calectro´s most known product is the red Uniguard one-pipe smoke detector for ventilation ducts, which is used by almost every major company within Building Automation in Sweden and Europe. Calectro develops sensors and components for the HVAC industry, air handling units and CO2 and fire safety/security. Smoke detectors e.g. Uniguard Superflow UG-3 for duct ventilation systems, Pressure sensors, Occupancy sensors, Thermostats, CO2 sensors, CO2 safety systems, Flow sensors, Sirens and Beacons are some of Calectro’s products.