LEED AP with Operations and Maintenance (O+M ) Practice Exam

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What attributes of vacuum cleaners are necessary to meet sustainability criteria?

Operate with a maximum sound level of 80 decibels or less
Certified by the Carpet and Rug Institute
Use renewable energy sources
Have a bagless design

The correct answer is: Certified by the Carpet and Rug Institute

The attribute that relates to sustainability criteria for vacuum cleaners is certification by the Carpet and Rug Institute (CRI). This certification ensures that the vacuum cleaner meets specific performance standards, including its ability to effectively remove dirt and allergens from carpets. Vacuums that are CRI-certified also contribute to better indoor air quality and energy efficiency during their operational lifespan, aligning with overall sustainability goals. While the other attributes mentioned may have merits in terms of operational efficiency or user comfort, they do not directly tie into the recognized sustainability criteria specifically laid out for vacuum cleaners. For instance, sound level limitations pertain more to user experience and regulatory compliance rather than sustainability. Using renewable energy sources is a valid consideration but is not commonly a standard feature for vacuum cleaners. Bagless designs can reduce waste associated with bags but may not necessarily reflect a vacuum's overall environmental impact based on performance and efficiency criteria set by organizations like the CRI. Therefore, being certified by the CRI is the most relevant attribute when evaluating vacuum cleaners against sustainability criteria.