What is a characteristic of well-insulated HVAC ductwork?

Well-insulated HVAC ductwork is designed to maintain the temperature of the air being transported, minimizing heat loss in winter and heat gain in summer. This characteristic is crucial for energy efficiency, as it ensures that the HVAC system does not have to work harder to achieve the desired indoor climate. Proper insulation also contributes to comfort by preventing drafts and ensuring that the warm or cool air reaches its intended destination without significant temperature fluctuations along the way.

By efficiently maintaining the air temperature, well-insulated ductwork helps in reducing energy costs and enhancing the overall performance of the HVAC system. This makes the option about preventing temperature loss the most accurate description of a characteristic of well-insulated ductwork.