LEED AP with Operations and Maintenance (O+M ) Practice Exam

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What role does humidity play in thermal comfort strategies?

It has minimal effect
It increases heating costs
It plays a crucial role in comfort perceptions
It only affects outdoor spaces

The correct answer is: It plays a crucial role in comfort perceptions

Humidity plays a crucial role in thermal comfort strategies because it significantly influences how individuals perceive temperature. High humidity levels can make the air feel warmer than it actually is because the moisture in the air inhibits the body’s ability to sweat and cool down effectively. Conversely, low humidity can make the air feel cooler, as moisture is more rapidly evaporated from the skin, leading to an increased cooling effect. Effective thermal comfort strategies must consider both temperature and humidity levels to ensure that indoor environments are conducive to comfort and well-being. This includes well-designed HVAC systems that can maintain appropriate humidity levels alongside temperature control. Additionally, other factors such as clothing and activity levels can interact with humidity to affect perceptions of comfort, further illustrating the importance of humidity in creating a balanced and comfortable indoor environment.