HVAC - EPA Certification Practice Exam 2026 - Free EPA Certification Practice Questions and Study Guide

Question: 1 / 400

What is one of the main purposes of regular HVAC maintenance?

To improve indoor air quality

One of the main purposes of regular HVAC maintenance is to improve indoor air quality. HVAC systems can accumulate dust, dirt, and other pollutants over time, which can be recirculated into the living environment if not properly maintained. Regular maintenance, including filter changes, duct cleaning, and inspections, helps to alleviate these contaminants, leading to cleaner air being circulated throughout the space. This is particularly important in residential and commercial buildings where air quality directly influences occupant health, comfort, and productivity.

While increasing system noise levels and decreasing capital costs do not align with the goals of maintenance, extending the lifespan of various components like the motor is a benefit but not the primary focus. The primary objective remains linked to ensuring a healthier indoor environment.

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To increase system noise levels

To decrease capital costs

To extend the lifespan of the motor

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