AC4820

Name: GermGuardian AC4820
Brand: GermGuardian
Rating: 78 (2 reviews)

Released Jan 1, 2022 · Analysis updated Feb 6, 2026

Ozone-free air purifier with Energy Star certification and a 3-year warranty. The GermGuardian AC4820 scores 78/100 based on 2 expert reviews in the air purifiers category. Coverage includes reviews from Bestairguides and Breathequality.

Critic Score

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based on 2 expert reviews

BestairguidesBreathequality

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Where to buy

amazon$99.99

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Score pending — we need at least 3 critic reviews to calculate a score and extract pros & cons.

2 Expert Reviews

Jan 16, 2022

The GermGuardian AC4825 is a simple tower-design air purifier that's easy to use and has great air cleaning abilities, offering excellent value for small spaces.

Feb 8, 2023

The GermGuardian AC4820 is a low-cost air purifier with good value, though it's noisy at high settings and lacks advanced features.