WindowMaster International A/S develops, produces, markets, and sells ventilation solutions and automatic window controls for the commercial construction industry worldwide. It offers actuators and accessories, including window actuators, brackets, and cables; controllers; sensors and detectors; and accessories, such as break glass units, keypads, and miscellaneous products, as well as spare parts. The company also provides service and maintenance of systems and software; testing of product functionality; remote, fault localization, back-up, and restoration services; on-going monitoring, adjustments, event logging, and reports; and indoor climate support services with proposals for optimization. In addition, it offers other service options comprising training for technical staff and facility management; training in WindowMaster software and natural ventilation; system upgrades with new system functions; and interface to other building systems. The company was incorporated in 1989 and is headquartered in Vedbæk, Denmark.