NATE Air Conditioning and Heat Pumps Practice Exam 2025 – All-in-One Guide to Master Your Certification!

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What is an impact of poorly maintained air filters in HVAC systems?

Increased airflow

Reduced energy efficiency

Poorly maintained air filters in HVAC systems can significantly reduce energy efficiency. When air filters become clogged with dust and debris, they create resistance to airflow. This forces the HVAC system to work harder to circulate air throughout the space, leading to higher energy consumption. As the system struggles against the blockage, it may consume more electricity, which can result in increased utility bills and unnecessary wear on the components.

In contrast to this situation, properly maintained filters can help ensure that air can flow freely, thereby maintaining optimal energy efficiency and reducing operational costs. Moreover, neglected filters can also lead to issues such as reduced system performance and longevity, making regular filter maintenance an essential component of efficient HVAC operation.

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Improved indoor air quality

Increased system lifespan

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