Do I need an induction motor or is a universal motor fine?

Induction motors (found on models like the Westinghouse WPX3000e) run quieter and tend to last longer than the universal motors in most budget units, according to community discussion. For occasional homeowner use, universal-motor units like the Sun Joe SPX3000 still earn strong long-term satisfaction; for frequent use, reviewers lean toward induction or brushless designs.