Nate Core Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

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What can be a result of malfunctioning dampers in an HVAC system?

Improved airflow and temperature

Consistent energy bills

Room temperature inconsistencies

Malfunctioning dampers in an HVAC system can lead to room temperature inconsistencies because dampers are responsible for controlling the flow of air within the ductwork. When dampers are operating incorrectly—whether stuck open or closed—they disrupt the distribution of conditioned air throughout the spaces served by the HVAC system. This can result in some rooms receiving too much air and becoming overly hot or cold, while others may receive insufficient airflow, causing them to be uncomfortable.

Maintaining appropriate airflow is critical for ensuring that each area of a building reaches its desired temperature, and when the dampers fail to function properly, it directly affects the overall climate control. Therefore, inconsistencies in room temperatures are a common and significant consequence of dampers not performing as intended.

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Increased operational noise

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