# LEVOIT Air Purifiers for Home Large Room Core 400S-P

**Category**: air-purifiers | **Price**: ~$180–$220 | **Reviews referenced**: 16277
**Last updated**: 2026-04-19
## One-line verdict
Ideal for allergy sufferers and pet owners seeking smart app control and quiet sleep mode in 300-400 sq ft rooms, but higher fan speeds get noticeably loud.

## How it compares

- vs LEVOIT Vital 200S-P ($150–$200): Core 400S-P wins on CADR and room coverage, Vital 200S-P wins on price and noise at high speed
- vs Blueair Blue Pure 311i Max ($170–$230): Core 400S-P wins on app feature depth and coverage, Blueair wins on noise levels at high fan speeds
- vs Winix 5510 ($170–$250): Core 400S-P wins on sleep mode quietness and app control, Winix wins on odor/VOC control and auto air quality sensing
- vs Coway Airmega AP-1512HH Mighty ($200–$250): Core 400S-P wins on smart scheduling and voice control, Coway wins on filtration consistency and filter cost
- vs Honeywell HPA250B ($200–$270): Core 400S-P wins on noise at high speed and app usability, Honeywell wins on VOC sensing accuracy

## AI-summarized review themes

### Frequently Praised
- Clears pet dander and odors effectively in living rooms
- Reduces allergy symptoms and improves sleep quality
- Quiet sleep mode allows overnight bedroom use
- App enables remote scheduling and air quality monitoring
- Noticeable dust and smoke reduction quickly

### Frequently Criticized
- Loud whirring noise on medium-high speeds
- Replacement filters expensive every 6 months
- High-pitched whine audible in quiet sleep mode
- Air quality sensor inaccurate for real pollution levels
- Non-washable pre-filter shortens main filter life

## Best for
pet owners with dander issues, allergy/asthma bedrooms, large living rooms with smart home setup

## Not for
light sleepers sensitive to fan noise, very large open spaces over 500 sq ft, budget-conscious on filter costs

## Specifications
| Spec | Value |
|---|---|
| CADR (Smoke/Dust/Pollen) | 231/240/259 CFM |
| Room Coverage | 1733 sq ft (1x/hr); 400 sq ft (4-5x/hr) |
| Noise Level | 24-60 dB |
| Filter Replacement | $50 every 6 months |
| Filtration | 3-stage with activated carbon |
| Smart Features | WiFi app, auto mode, Alexa |
| Energy Use | Up to 38W (Energy Star) |
| Dimensions | 10.8 x 10.8 x 20.5 in |
| Weight | 12.8 lbs |

## Data sources
- Estimated ~16277 purchase reviews via Amazon
- Review period: 2021–2026
- Sentiment confidence: high