How do energy-efficient HVAC systems impact operational costs?

Energy-efficient HVAC systems are designed to use less energy to provide the same level of heating or cooling as standard systems. This increased efficiency translates directly into lower energy consumption, which reduces monthly utility bills. Over time, the cumulative savings from energy costs can be substantial, making these systems economically advantageous for property owners.

In addition, energy-efficient HVAC systems often incorporate advanced technology and features, such as programmable thermostats and variable speed motors, which enhance their performance and further decrease energy usage. This results in a favorable impact on operational costs, as owners spend less on energy while potentially enjoying longer lifespans and lower maintenance costs compared to traditional systems.

Thus, choosing energy-efficient HVAC systems leads to a decrease in operational costs over time, validating the correct choice in this question.