Profile: Siemens Building Technologies provides fire protection, security, and energy efficient operation of buildings. Our products include building automation & HVAC control, security products, and fire safety products. We provide high quality products, solutions, and support for the control & supervision of heating, ventilation and air conditioning plants, for both commercial & residential applications. We offer a complete range of peripheral solutions, all utilizing industry standard control signals. Our heating controllers offer a wide range of choices, from the simplest weather compensator to the more sophisticated model, complete with optimum start or stop, boiler, and domestic hot water control.