What is a beneficial aspect of increasing the insulation in a home's ductwork?

Increasing the insulation in a home's ductwork primarily leads to lower energy bills. When the ducts are well-insulated, they minimize heat loss or gain as air travels through the system. This means that the heating and cooling systems do not have to work as hard to maintain the desired temperature in the home, leading to reduced energy consumption. Lower energy use directly translates to lower utility bills, making it a significant benefit for homeowners aiming for cost efficiency.

While improved air quality and the reduced need for air conditioning can be associated with better insulation in certain contexts, they are not the primary reasons for increasing insulation specifically in ductwork. Additionally, aesthetic appeal is not a relevant factor when discussing the functional benefits of insulated ductwork. Therefore, the main advantage remains the reduction in energy costs.