Best Range Hoods · head-to-head

Cosmo COS-5MU30 vs ZLINE KB-30

A sourced, side-by-side comparison. Cosmo COS-5MU30 is cheaper at $109.99. Every spec and price links to its source.

Which is better: the Cosmo COS-5MU30 or ZLINE KB-30?

On the specs we track, they're closely matched. The Cosmo COS-5MU30 is the cheaper at $109.99.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Cosmo COS-5MU30 ZLINE KB-30
US price $109.99 $429.99
BrandCosmoZLINE
Released
Mount type under-cabinet wall-mount
Width inches 30 30
Max airflow (CFM) 400
Fan speeds 3 4
Max noise sones
Duct diameter inches 5 6
Convertible ductless Yes Yes
Filter type mesh baffle
Control type push-button push-button
Lighting type LED LED

Sources — Cosmo COS-5MU30: cosmoappliances.com (verified 2026-07-11). ZLINE KB-30: zlinekitchen.com (verified 2026-07-11).

What's the difference between the Cosmo COS-5MU30 and ZLINE KB-30?

Where the two actually differ on the specs we track (4 of 10). Matching specs are omitted.

  • Mount type: Cosmo COS-5MU30 under-cabinet vs ZLINE KB-30 wall-mount
  • Fan speeds: Cosmo COS-5MU30 3 vs ZLINE KB-30 4
  • Duct diameter inches: Cosmo COS-5MU30 5 vs ZLINE KB-30 6
  • Filter type: Cosmo COS-5MU30 mesh vs ZLINE KB-30 baffle

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