What is a primary function of HVAC systems?

The primary function of HVAC systems is to maintain comfort through temperature management. This encompasses regulating indoor air temperature for heating in winter and cooling in summer, which creates a comfortable living and working environment. HVAC systems also manage humidity levels and air quality, which are crucial for overall comfort and health. By controlling the internal climate, these systems ensure that occupants are comfortable while also integrating other functionalities like ventilation for fresh air circulation.

The other choices do not directly capture the main purpose of HVAC systems. While they may relate to aspects of HVAC performance, none of them address the fundamental goal of maintaining a comfortable indoor environment, which is central to the operation of heating, ventilation, and air conditioning systems.