WindowMaster International A/S offers indoor climate solutions worldwide. It offers actuators and accessories, such as spindle, chain, locking, louvre, door, and window actuators, as well as brackets and cables; controllers used for power supply and control of window actuators for natural, mixed mode, and smoke ventilation; sensors and detectors; and accessories, such as break glass units, keypads, and miscellaneous products, as well as spare parts. The company 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.