Air Systems Cleaning Specialist (ASCS) Practice Exam

Question: 1 / 400

What is the role of insulation in HVAC duct systems?

To reduce noise in the ductwork

To prevent energy loss and maintain temperature

The role of insulation in HVAC duct systems is fundamentally to prevent energy loss and maintain temperature. Insulation serves as a barrier that minimizes heat transfer between the air inside the ducts and the surrounding environment. This is especially crucial in preventing conditioned air from losing its temperature as it travels through the ducts. If the ducts are not insulated, significant energy can be wasted due to heat loss or gain, leading to increased utility costs and less effective climate control within the building.

In addition to energy efficiency, adequate insulation contributes to maintaining consistent temperature levels throughout the ventilation system, ensuring that both heating and cooling processes are more effective. Thus, insulation helps enhance the overall efficiency of the HVAC system, promoting comfort and reducing energy consumption.

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To filter air contaminants

To enhance airflow through the ducts

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