# The best air purifier for large rooms in 2026 in Germany

> On 18 October 2026 the best air purifier for large rooms in our ranking is the Clean Air Optima CA-509Pro, today 353 € at OTTO including delivery to Germany.

- Page: https://bestatbest.com/de/en/air-purifiers/type/large-rooms
- As of 18 October 2026

## In our ranking

| # | Model | Room size | Score | Tested by | Today’s lowest price |
|---|---|---|---|---|---|
| 1 | [Clean Air Optima CA-509Pro](https://bestatbest.com/de/en/air-purifiers/clean-air-optima-ca-509pro) | large rooms | 4.8 |  | 353 € at OTTO |
| 2 | [Xiaomi Smart Air Purifier 4 Lite](https://bestatbest.com/de/en/air-purifiers/xiaomi-smart-air-purifier-4-lite) | large rooms | 2.8 |  | 239 € at OTTO |

## Other models we track

| Model | Today’s lowest price |
|---|---|
| [AEG AX71-304GY](https://bestatbest.com/de/en/air-purifiers/aeg-ax71-304gy) | 354 € at EURONICS |

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