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Levoit Core 300
#14 of 22 in medium · #32 of 49 overall · all Levoit models
3.1
The best-selling compact purifier; no auto mode, thin carbon, but cheap and quiet on low.
141 cfmsmoke CADR
219 sq ftAHAM room size
50 dBat full speed
45 Wmax power
$80street price, being verified
One air change of a 300 sq ft room in about 17 min$45 a year in filters$305 to own for 5 yearsAHAM Verifide CADR
Ratings
Includes independent measurements from Air Purifier First, HouseFresh.
Each rating places this unit among the others on a 0.5–5 scale, within its room-size class for the measures that scale with size and across the whole catalog for the rest. Weighted together they give the overall 3.1. Formula and weights.
Specifications
- Smoke CADR
- 141 cfm
- Dust CADR
- 140 cfm
- Pollen CADR
- 145 cfm
- AHAM room size
- 219 sq ft
- Maker's room size
- 219 sq ft
- Max power
- 45 W
- Noise (low / high)
- 24 / 50 dB
- Filter cost
- $30
- Filter life
- 8 months
- Filters per year
- $45
- 5-year cost of ownership
- $305
- True HEPA
- Yes
- Activated carbon
- 0.2 lb
- Auto mode (PM2.5 sensor)
- No
- App
- No
- Washable prefilter
- No
- AHAM Verifide
- Yes
- Energy Star
- Yes
- Weight
- 7.5 lb
- Released
- 2019
Independent measurements
| Metric | Value | Source |
|---|---|---|
| Time to clear test room 728 cu ft test room; incense smoke cleared to PM1 zero (100%); top speed (3 of 3) | 54 min | HouseFresh 2026-02 |
| Noise, measured speed 3 of 3 (top); 3 ft. Low-speed figures conflict between article sections so omitted | 50.2 dBA | HouseFresh 2026-02 |
| Power draw, measured speed 3 of 3 (top) | 35.5 W | HouseFresh 2026-02 |
| Measured CADR HouseFresh estimated PM1 CADR derived from their 728 cu ft decay test; not an AHAM lab test | 109 cfm | HouseFresh 2026-02 |
| Measured CADR, % of rated 109 cfm HouseFresh estimated PM1 CADR vs 141 cfm rated smoke CADR | 77.3 % | HouseFresh 2026-02 |
| Particle reduction PM2.5 fell from 111.1 to 8.8 ug/m3 over 60 min at max speed (3 of 3) in a 320 sq ft room; Temtop LKC-1000S. 93% in a 194 sq ft room (83.8 to 5.8) | 92 % | Air Purifier First 2026-02 |
| Noise, measured speed 1 of 3; distance not stated; sleep mode 40.7 dBA | 46.4 dBA | Air Purifier First 2026-02 |
| Noise, measured speed 3 of 3 (max); distance not stated | 64.9 dBA | Air Purifier First 2026-02 |
| Power draw, measured speed 3 of 3 (max); energy meter | 43.5 W | Air Purifier First 2026-02 |
How it compares with its neighbors
| # | Model | Smoke CADR | Dust | Pollen | W | dB max | Filters/yr | $/CADR | Score |
|---|---|---|---|---|---|---|---|---|---|
| 11 | Levoit Vital 100S | 130 | 128 | 131 | 23 | 50 | $70 | 0.8 | 3.3 |
| 12 | Alen BreatheSmart 45i | 245 | 245 | 245 | 50 | 49 | $79 | 1.4 | 3.2 |
| 13 | Coway Airmega 100 | 148 | 150 | 150 | 23 | 57 | $40 | 0.9 | 3.1 |
| 14 | Levoit Core 300 | 141 | 140 | 145 | 45 | 50 | $45 | 0.6 | 3.1 |
| 15 | Alen BreatheSmart FLEX | 240 | 240 | 240 | 50 | 50 | $69 | 1.2 | 3.1 |
| 16 | Clorox Large Room 11020 | 234 | 244 | 240 | 65 | 54 | $100 | 0.6 | 3.1 |
| 17 | Clorox Medium Room 11010 | 150 | 160 | 155 | 45 | 50 | $80 | 0.7 | 3.1 |