Even though the control device of the heating system works well, insufficient water flow rates can degrade control performance and thermal comfort.
即使供热系统的控制装置运行良好，水的流速不足也能够降低控制性能和热舒适性。
2
Heating, ventilation and air Conditioning in buildings represent a substantial energy demands and insufficient ventilation may result in poor indoor air quality and health problems.
加热、通风和空气在建筑物中意味着持续的能源需求，并且通风不足导致是内空气质量不好和健康受损。
3
Causes include heating too quickly in the feed zone, melting too slowly in the transition zone, insufficient mixing, and excessive heat loss in the adapters or die.