Levoit Core 400S
#2 in Medium roomsFull review
A strong all-round pick for a living room or large bedroom, with a real particle sensor and app control at a mid-range price.
Amazon $189.97$189.97
3.4/5
A quiet, good-looking purifier for a small bedroom or nursery. Bigger rooms need more airflow for the money.
- 153 cfmSmoke CADR
- $49.99/yearFilters
- 20 to 48.3 dBNoise
- 1 yearsWarranty
Check price at Amazon$186.29
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Very quiet on its lowest setting, good for sleeping
- Slim, colourful design with a washable pre-filter
- Auto mode from a particle sensor
Cons
- Its CADR is Coway’s own claim, not AHAM or ENERGY STAR certified
- Costs as much as purifiers with much more airflow
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its room size. How we rank explains each one.
Specifications
| Model number | AP-1019C |
|---|---|
| Performance | |
| Smoke CADR | 153 cfm |
| Dust CADR | 161 cfm |
| Pollen CADR | 220 cfm |
| CADR certified by | Maker (AHAM AC-1 test) |
| Coverage (maker) | 214 sq ft |
| Noise | 20 to 48.3 dB |
| Efficiency | |
| ENERGY STAR | No |
| Power at top speed | 35 W |
| Filters | |
| Filter | HEPA |
| Activated carbon | Yes |
| Replacement | AP-1019C-FP filter set |
| Replacement cost | $49.99 every 12 months |
| Yearly filter cost | $49.99/year |
| Ionizer | No |
| CARB certified (ozone) | Yes |
| Controls and build | |
| Air-quality sensor | particle |
| Auto mode | Yes |
| Wi-Fi app | No |
| Fan speeds | 3 |
| Dimensions | 18.5 x 13.4 x 6.5 in |
| Weight | 12.1 lb |
| Warranty | 1 years |
Alternatives in this room size
Coway Airmega Mighty AP-1512HH
#3 in Medium roomsFull review
A long-running favourite for a bedroom or living room that’s still cheap on Amazon. It has an air quality sensor but no app.
Amazon $154.98$154.98
KNKA APH4000
#5 in Medium roomsFull review
A low-priced purifier for medium rooms up to about 350 sq ft. It has a sensor-driven auto mode, but filter costs add up if you follow KNKA’s replacement schedule.
Amazon $99.99$99.99
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