Levoit Core 400S Smart Air Purifier vs Levoit Core 600S Smart Air Purifier (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

Levoit Core 400S Smart Air Purifier

9.2/10 Excellent

4.6★ (28,700 owners)

True HEPA H13 for rooms up to 40m². The best-value genuine air purifier available.

Full Review

Levoit Core 600S Smart Air Purifier

9.2/10 Excellent

4.7★ (12,400 owners)

H13 HEPA, 1076 sq ft, smart app, air quality sensor, quiet sleep mode. Large-room air purifier.

Full Review

At a Glance

	Levoit Core 400S Smart Air Purifier	Levoit Core 600S Smart Air Purifier
247Verdict Score	9.2/10	9.2/10
Owner Rating	4.6★ (28,700)	4.7★ (12,400)
Verdict	Excellent	Excellent
Filter	True HEPA H13	H13 True HEPA
Coverage	Up to 40m²	1076 sq ft
Sensor	PM2.5 laser	Real-time air quality

Quick Verdict

This is a genuine draw — both score within 0.15 points of each other. Levoit Core 400S Smart Air Purifier: True HEPA H13 for rooms up to 40m². The best-value genuine air purifier available. Levoit Core 600S Smart Air Purifier: H13 HEPA, 1076 sq ft, smart app, air quality sensor, quiet sleep mode. Large-room air purifier. Choose based on your specific needs. Check the current price on PuroAir →

Pros & Cons Side by Side

Levoit Core 400S Smart Air Purifier

True HEPA H13 captures 99.97% of particles 0.3 microns and above
CADR 260m³/h — independently tested, not just manufacturer claims
PM2.5 laser sensor triggers auto mode when air quality drops
VeSync app provides air quality history and scheduling
Relatively low filter running costs — ~£25-35/year vs Dyson's £70+

Purification only — no heating or cooling like Dyson HP09
Real-world coverage is 40m² — ignore the 'large room' marketing for anything bigger
Auto mode fan noise at maximum (52dB) is noticeable

Levoit Core 600S Smart Air Purifier

H13 True HEPA captures 99.97% of particles down to 0.3 microns including pollen and smoke
Covers up to 1076 sq ft — suitable for large living rooms and open-plan spaces
Real-time air quality sensor with auto mode adjusts fan speed to detected pollution
VeSync app enables scheduling, monitoring and remote control
12,400 reviews at 4.7★ — extensively validated large-room purifier

Replacement HEPA filters are an ongoing cost every 6-12 months
Large unit footprint for the high coverage area
Premium pricing vs small-room purifiers

FAQ

Which is better, Levoit Core 400S Smart Air or Levoit Core 600S Smart Air?

Is the Levoit Core 400S Smart Air worth the extra cost?

The Levoit Core 600S Smart Air Purifier matches or exceeds it at a potentially lower price point.

Who is the Levoit Core 400S Smart Air best suited to?

True HEPA H13 for rooms up to 40m². The best-value genuine air purifier available.

Who is the Levoit Core 600S Smart Air best suited to?

H13 HEPA, 1076 sq ft, smart app, air quality sensor, quiet sleep mode. Large-room air purifier.

What are the main downsides of each?

Levoit Core 400S Smart Air Purifier: Purification only — no heating or cooling like Dyson HP09; Real-world coverage is 40m² — ignore the 'large room' marketing for anything bigger. Levoit Core 600S Smart Air Purifier: Replacement HEPA filters are an ongoing cost every 6-12 months; Large unit footprint for the high coverage area.

Do owner ratings agree with our verdict?

Largely, yes — Levoit Core 400S Smart Air Purifier sits at 4.6★ from 28,700 verified Amazon owners, and Levoit Core 600S Smart Air Purifier at 4.7★ from 12,400.

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