Actuators for HVAC systems. Belimo has been designing, manufacturing and marketing electric actuators for motorized control devices in heating, ventilating and air-conditioning systems since 1975. The company’s innovative, high-class technology ensures troublefree operation for all kinds of HVAC control devices. This not only means greater comfort and convenience, of course, but also greater safety for property and the occupants of buildings. Economy plus ecology. Belimo products are helping to improve the economic performance of all kinds of HVAC plant and equipment. The simple, well-thought-out designs of the company’s long-life actuators, made of top-quality materials, greatly reduce the cost of installation and upkeep. Their excellent functionality and precision allow HVAC systems to achieve optimum performance and so reduce power consumption.