Correct valve sizing: How does the selection of the Kvs value affect system performance?
A functioning HVAC system is the unobtrusive heart of a property. When it works properly, you do not even think about it. But when the radiators hiss, the room temperature fluctuates, or energy is consumed without a clear reason, the problem may not lie in the major components, but in a single incorrectly chosen value: the Kvs value of the control valve.