# Winix 5520 vs Rabbit Air BioGS 2.0: specs and price compared

A sourced, side-by-side comparison of the Winix 5520 (Winix) and Rabbit Air BioGS 2.0 (Rabbit Air) among air purifiers. Winix 5520 is the cheaper of the two at $259.99.

## Side by side

| Spec | Winix 5520 | Rabbit Air BioGS 2.0 |
| --- | --- | --- |
| US price | $259.99 | $369.95 |
| Brand | Winix | Rabbit Air |
| Released | 2022 | 2017 |
| Cadr smoke (CFM) | 253 | 136 |
| Coverage (sq ft) | 392 | 550 |
| Hepa | Yes | Yes |
| Filter type | Fine Mesh Pre-filter + AOC Carbon + True HEPA + PlasmaWave (4-stage) | Pre-filter + BioGS HEPA + Dual Hive AC Charcoal + Negative Ion Generator (4-stage) |
| Noise db min | 23.5 | 22.8 |
| Smart | Yes | No |
| Energy star | No | No |

## Key differences

- Cadr smoke (CFM): Winix 5520 253 vs Rabbit Air BioGS 2.0 136
- Coverage (sq ft): Winix 5520 392 vs Rabbit Air BioGS 2.0 550
- Filter type: Winix 5520 Fine Mesh Pre-filter + AOC Carbon + True HEPA + PlasmaWave (4-stage) vs Rabbit Air BioGS 2.0 Pre-filter + BioGS HEPA + Dual Hive AC Charcoal + Negative Ion Generator (4-stage)
- Noise db min: Winix 5520 23.5 vs Rabbit Air BioGS 2.0 22.8
- Smart: Winix 5520 Yes vs Rabbit Air BioGS 2.0 No

## What reviewers say

**Winix 5520** — Only one whitelisted tester (Wirecutter) hands-on tested the exact Winix 5520, and only in its dismissed-competition section: a capable purifier that tested worse and louder than Coway's Mighty 2, with a dark, monolithic form that stands out in most rooms, a display that shuts off only on the lowest and least effective fan speed, and an ionizer that reactivates on every power-on. No lab numbers were published for this model. (1 sourced review.)

**Rabbit Air BioGS 2.0** — Only one whitelisted tester, Tom's Guide, hands-on reviewed this exact model. It calls the BioGS 2.0 a quiet, inexpensive purifier that cleans a mid-sized room well, but flags weak airflow and the absence of WiFi or an app. Consensus rests on a single source. (1 sourced review.)

## Sources

- Winix 5520: https://www.winixamerica.com/product/5520/ (winixamerica.com, verified 2026-06-15)
- Rabbit Air BioGS 2.0: https://www.rabbitair.com/pages/choose-your-air-purifier (rabbitair.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/air-purifiers/winix-5520-vs-rabbit-air-biogs-2/
Cite: Per The Front Desk Review, Winix 5520 ($259.99) vs Rabbit Air BioGS 2.0 ($369.95) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/air-purifiers/winix-5520-vs-rabbit-air-biogs-2/
License: CC BY 4.0.