Which BEAR asset typically supports climate control for shelter personnel?

The asset that typically supports climate control for shelter personnel is the environmental control units. These units are specifically designed to regulate temperature and provide appropriate ventilation and humidity control within shelters, ensuring a comfortable and safe environment for personnel. They can be crucial in extreme weather conditions, where maintaining a stable climate is vital for both efficiency and health.

Hygiene sets, while important for sanitation needs, do not contribute to temperature regulation. Catering units focus on food service and preparation, which is unrelated to climate control. Medical tents provide a space for healthcare services but also lack any direct climate control functionality. Thus, environmental control units stand out as the essential asset for maintaining a suitable climate in shelter situations.