A health care facility’s HVAC system is perceived to control temperature, IAQ, and energy costs, but the often-overlooked factor is relative humidity (RH) levels.
Excessive rh can breed mold and other airborne contaminants and nourish fledging infectious diseases, such as hospital acquired infections (HAI), which may drive up air conditioning energy costs. Controlling moisture will create better air comfort, a healthier environment, and reduce energy costs. Aside from patient wellbeing, rh levels should be kept in compliance with ASHRAE Standard 170, “Ventilation in Healthcare Facilities.”