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TLDR Review: Lasko Pro Power Box Fan

By ShopSavvy Team

Published: June 17th, 2025

Last Updated: July 18th, 2025

Pros

•Notable improvement over cheaper fans in terms of durability and airflow.
•Heavier steel construction provides added stability.
•Moves more air than similarly priced competitors at the same speed.
•Provides more directed air movement and power compared to the less expensive model.
•Fan blades did not break when the fan was accidentally knocked over, indicating better durability.
•Generates powerful air circulation even on the lowest setting.
•Effectively cools rooms larger than 400 sq ft.
•Produces soothing white noise, excellent for sleep.
•Five blade design maximizes air distribution.

Cons

•Construction quality raises concerns, with noticeable gaps in plastic seams suggesting a cheaper build.
•Some reliability issues noted; one fan stopped working after two seasons, raising concerns about motor durability.
•Design could benefit from being deeper and having wider blades for enhanced performance.
•Misleading description claims significant steel use, but mainly consists of lightweight plastic.
•Difficulty assembling due to one foot not fitting properly, requiring trimming to fit.

Bottom Line

The Lasko B20548 3 Speed Pro Power Box Fan offers significant improvement in airflow and stability compared to cheaper fans, making it a worthwhile choice for those seeking enhanced performance without a steep price increase. However, potential buyers should be mindful of occasional build quality and motor durability concerns, as well as some assembly challenges. If durability and construction are top priorities, exploring alternative models or brands may be beneficial.

Lowest at any Popular Retailer

$61.55 at Sears

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 3 retailers to give you the short version.