Levoit Core 400S-P
Not sold at any shop we monitor today, so not in our ranking.
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 Levoit Core 400S-P Best on 2 facts | Cheapest of the top 10 Xiaomi Smart Air Purifier 4 Lite Best on 1 fact | Highest score here Clean Air Optima CA-509Pro | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | – | 239 €OTTO best | 353 €OTTO |
| Score | best | ||
| Rank | – | rank 2 of 2 for large rooms | rank 1 of 2 for large rooms |
| Customer rating | – | – | – |
| Room size | |||
| Room size same on all | large roomsup to 33 m² | large roomsup to 43 m² | large roomsup to 90 m² |
| Size, noise and age | |||
| Height lower is better | 52 cm best | 53.4 cm | 56 cm |
| On the market since | June 2023 | March 2022 | March 2022 |
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.
Levoit Core 400S-P specifications
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
Levoit · on the market since June 2023
Running cost: Electricity: about 87 € a year. Electricity at BDEW-Strompreisanalyse August 2026, on the 237 kWh a year its energy label states.
Consumables: The filter lasts about 12 months.
Cleaning performance 9 facts
- Clean air delivery rate (CADR)
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.
- 400 m³/h
- CADR measured to
The test the CADR comes from. AHAM AC-1 and the DOE test are independent and comparable. A maker's own test is not.
- DOE test
- CADR for smoke
The CADR measured with tobacco smoke, the finest of the three test particles. It is the figure to read for wildfire smoke.
- 393 m³/h
- CADR for dust
The CADR measured with dust.
- 408 m³/h
- CADR for pollen
The CADR measured with pollen.
- 440 m³/h
- CADR for fine particles (PM2.5)
The CADR measured for particles under 2.5 microns.
- 401 m³/h
- Room size we compare on
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.
- 33 m²
- Room size the maker claims
The room size the maker states. Makers use different rules, so we show it but never rank on it.
- 33 m²
- Air changes the maker assumes
How many times an hour the maker assumes the air is changed when it states a room size.
- 4.8 per hour
Filter 2 facts
- Filter layout
Whether the particle and carbon layers are one filter or separate ones. Separate filters let you replace only the part that is spent.
- One combined filter
- Activated carbon filter
A filter of activated carbon that takes out smells and some gases. It does not catch particles.
- yes
Running costs 2 facts
- Filter life
How long the maker says a filter lasts, in months of normal use. A filter that is spent cleans less.
- 12 months
- Energy use a year
- 237 kWh
Noise and power 5 facts
- Noise at the lowest speed
The sound level at the lowest speed, as the maker measures it.
- 28 dB
- Noise at the highest speed
The sound level at the highest speed, as the maker measures it.
- 54 dB
- Power at the highest speed
The power the purifier draws at its highest speed.
- 38 W
- Energy efficiency (IEF)
Air delivered for each watt, the ENERGY STAR measure. Higher is better.
- 5.8 cfm/W
- ENERGY STAR certified
Certified by ENERGY STAR for the energy it uses to clean the air.
- yes
Air quality sensing 3 facts
- Air quality sensors
What the purifier measures in the air. A particle sensor lets it speed up and slow down by itself.
- PM2.5
- Particle sensor
- Laser
- Automatic mode
The fan speed follows the air quality the sensor reads.
- yes
Smart features and warranty 3 facts
- App control
- Wi-Fi
- Voice assistants
Which voice assistants the robot works with, such as Google Assistant or Alexa.
- Alexa, Google Assistant
- Matter
Matter is the standard that lets devices from different makers work together. With it you can run the robot outside the maker’s own app. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
Build 5 facts
- Shape
- Floor box
- Height
How tall the purifier is. It decides whether it fits on a shelf or under a window sill.
- 52 cm
- Width
- 274 mm
- Depth
- 274 mm
- Weight
What the purifier weighs. It counts most if you move it from room to room.
- 5 kg
Extras 2 facts
- Ioniser
An ioniser charges particles so they settle. Some also make a little ozone, which is why a switch to turn it off matters.
- None
- Ozone produced
The ozone the purifier gives off, in parts per billion. California allows at most 50.
- 0 ppb
Warranty and certification 2 facts
- AHAM Verifide certified
The CADR is verified by AHAM, the US trade body that runs the test.
- yes
- Warranty
The warranty the maker gives in Germany. Consumer law here stands apart from it and can last longer.
- 2 years
Sources: levoit.de · data.energystar.gov · levoit.com · Manual · ahamdir.com
Our score
Confidence: medium. A CADR the maker states itself, or fewer than 300 owners’ ratings. No model scores higher today.
-
Owners’ ratings 40%–
Owners’ ratings, 40%: none yet at the shops that deliver to Germany, so this part is left out and the score is the features part alone.
-
Features 60%7.4
56 of 76 points for the maker’s and the registers’ facts.
- Price never countsA sale can’t lift a model. Today’s lowest price sits beside the score, checked every morning.
- No CADR, no rankOnly air purifiers with a known CADR are ranked. The rest get a provisional score.
- Reviewers beside, not insideReviewers’ picks are shown next to the score and do not count in it.
Frequently asked questions about the Levoit Core 400S-P
What size of room is the Levoit Core 400S-P for?
The Levoit Core 400S-P is sized for a room of about 33 m², the room size we compare it on. Its clean air delivery rate (CADR) is 400 m³/h, measured to DOE test.
How often does the Levoit Core 400S-P need a new filter?
The maker gives the filter a life of 12 months.
How loud is the Levoit Core 400S-P?
The maker states 28 dB at the lowest speed and 54 dB at the highest.
How much power does the Levoit Core 400S-P use?
It uses about 237 kWh a year on the maker’s test assumptions. At the highest speed it draws 38 W.



