Bosch Air 4000i
No shop we follow delivers this model to Germany. This page says what it can do, and which similar robots you can buy here.
Which robot is right for your home? Find out in 7 questions →
Before you buy, compare it with 2 recommended alternatives
No shop here sells this model today, so beside it the highest-scored model for the same room size that one does, and the cheapest of the top 10.
Green is the best of these 3, also when they share the lead.
| This model Bosch Air 4000i | Cheapest of the top 10 Philips PureProtect Quiet 2200 Best on 2 facts | Highest score here Clean Air Optima CA-507 Best on 1 fact | |
|---|---|---|---|
| Price and ranking | |||
| The lowest price today at a shop that delivers to you, delivery included. A price with an asterisk comes from a shop abroad, and its delivery cost is our own estimate. Lowest price | – | 218 €OTTO best | 224 €Amazon.de |
| Our own score out of 10: 60% measured facts and 40% shop ratings. Price does not count. Score | not in our ranking | best | |
| Where the model stands in our ranking, among the purifiers for the same size of room. Rank | – | rank 2 of 5 for large rooms | rank 1 of 5 for large rooms |
| The average of the stars buyers give at the shops, with the number of reviews behind it. We only compare it from 20 reviews. Customer rating | – | – | – |
| Room size | |||
| The size of room the purifier suits, with the largest room the maker names for it. Room size same on all | large roomsup to 63 m² | large roomsup to 109 m² | large roomsup to 70 m² |
| Size, noise and age | |||
| How tall the purifier is. It decides whether it fits on a shelf or under a window sill. In this comparisonWhen it matters
Source
| 50 cm | 28 cm best | 48.9 cm |
| The month the model first went on sale. It shows how old the technology in it is. On the market since | – | May 2025 | January 2024 |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.
Bosch Air 4000i specifications
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
Also sold or tested as: 7733703376 (Europe) source
Cleaning performance 4 facts
- Clean air delivery rate (CADR)
Among the models we track
300 m³/h on this model
Lowest
25 m³/h Highest
1,019 m³/h Middle
300 m³/hLower than 81 of the 164 models we track.
When it matters
- A large living room or an open-plan space.
- Clearing the air quickly after cooking, smoke or a window opened in pollen season.
- In a small bedroom most purifiers keep up on a low setting.
Source: bosch-homecomfort.com · checked on 25 Oct
How much clean air the purifier delivers an hour, measured with smoke, dust and pollen. A higher figure cleans a bigger room or the same room faster.
- 300 m³/h
- CADR measured to
Source: bosch-homecomfort.com · checked on 25 Oct
The test the CADR comes from. AHAM AC-1 and the DOE test are independent and comparable. A maker's own test is not.
- The maker's own test
- Room size we compare on
Among the models we track
25 m² on this model
Lowest
2 m² Highest
85 m² Middle
25 m²Lower than 81 of the 164 models we track.
When it matters
- Choosing a purifier for one room you know the size of.
- Rooms with a high ceiling, which hold more air than the floor area suggests.
- In a room well under the stated size, any model in the list will do.
Source: derived, no source of its own · checked on 25 Oct
The room size where the purifier changes the air 4.8 times an hour under a 2.5 m ceiling, worked out from its CADR. We use it so every model is compared on the same rule.
- 25 m²
- Room size the maker claims
Among the models we track
63 m² on this model
Lowest
5 m² Highest
260 m² Middle
48 m²Higher than 100 of the 158 models we track.
Source: bosch-homecomfort.com · checked on 25 Oct
The room size the maker states. Makers use different rules, so we show it but never rank on it.
- 63 m²
Build 2 facts
- Height
Among the models we track
50 cm on this model
Lowest
23 cm Highest
127 cm Middle
50 cmLower than 63 of the 127 models we track.
When it matters
- A shelf, a sideboard or a spot under a window sill.
- A small room where a tall tower would stand in the way.
- On an open floor with room to spare it decides little.
Source: bosch-homecomfort.com · checked on 25 Oct
How tall the purifier is. It decides whether it fits on a shelf or under a window sill.
- 50 cm
- Weight
Among the models we track
4 kg on this model
Lowest
0.3 kg Highest
77 kg Middle
5.3 kgLower than 96 of the 154 models we track.
When it matters
- Moving the purifier from room to room, up and down the stairs.
- A shelf or a table that has to bear it.
- If it stays in one place it hardly matters.
Source: bosch-homecomfort.com · checked on 25 Oct
What the purifier weighs. It counts most if you move it from room to room.
- 4 kg
Sources: bosch-homecomfort.com
The maker
Bosch
- Reviews on Trustpilot
- Headquarters: Germany
- Founded in 1886
Bosch home appliances are made by BSH Hausgeräte GmbH, which is headquartered in Munich, Germany, and makes large and small appliances. BSH was founded in Germany in 1967 as a joint venture of Robert Bosch GmbH and Siemens AG, and has been wholly owned by the Bosch Group since January 2015. It uses the Bosch brand under licence from Robert Bosch GmbH.