What is a primary advantage of a multi-zone A/C system?

A primary advantage of a multi-zone A/C system is increased energy efficiency. This type of system allows for individual temperature control in different zones or areas within a building. Instead of cooling or heating the entire space simultaneously, which can lead to energy wastage, a multi-zone system enables tailored climate control. For example, if one zone is unoccupied, the system can reduce its cooling output or maintain a higher temperature in that zone while providing optimal comfort in occupied areas.

This targeted approach reduces the overall energy consumption of the HVAC system, leading to utility savings and a smaller carbon footprint. By not over-conditioning unoccupied spaces, a multi-zone A/C system can significantly improve energy efficiency compared to single-zone systems that condition the entire building uniformly, regardless of occupancy or specific zone requirements. Thus, the correct answer highlights a significant benefit in both operational cost savings and environmental impact.