Head to head
Dyson Purifier Hot+Cool Formaldehyde HP09 vs Levoit Core 600S Smart True HEPA
Levoit Core 600S Smart True HEPA leads 3 to 1 on the 4 rankable specs and costs $500 less, which makes it the straightforward pick. Most of the 11 attributes tracked here are descriptive rather than numeric.
Catalog as of September 1, 2026
Why, in numbers
Swap
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Compare a different air purifier
Levoit Core 300S Smart True HEPA Air Purifier$149Winix 5500-2 Air Purifier$159Levoit Core 400S$219Coway Airmega AP-1512HH Mighty$229Blueair Blue Pure 311i Max$229Honeywell HPA300 HEPA Air Purifier$249Blueair Blue Pure 211+ Auto$339Coway Airmega 250$399Coway Airmega 400$549Blueair Protect 7470i$649Alen BreatheSmart 75i Large Room Air Purifier$749Buying for
Straight answer
Overall: 1 to 3
Buy the Levoit Core 600S Smart True HEPA.
- Leads 3 of 4 rankable overall specs; Dyson Purifier Hot+Cool Formaldehyde HP09 takes 1.
- CADR: 410 CFM vs 190 CFM class
- Coverage area: 1,588 sq ft vs 500 sq ft room size with 350° oscillation
- It is also $500 cheaper.
Deal-breakers
tick what would make you walk away
- Trips:Dyson Purifier Hot+Cool Formaldehyde HP09 · 46 dB (Low) – 62 dB (Max)Clear:Levoit Core 600S Smart True HEPA · 26 dB (QuietKeap Sleep mode) – 55 dB (H…
- Trips:Dyson Purifier Hot+Cool Formaldehyde HP09 · 500 sq ft room size with 350° oscillati…Clear:Levoit Core 600S Smart True HEPA · 1,588 sq ft
At a glance
The handful of numbers that decide most purchases in this category.
CADR
Dyson
190 CFM class (Air Multiplier 77 gallons/sec circulation)
Levoit
410 CFM (Smoke), 400 CFM (Dust), 420 CFM (Pollen)
Coverage area
Dyson
500 sq ft room size with 350° oscillation
Levoit
1,588 sq ft (2 air changes/hr) / 635 sq ft (5 air changes/hr)
True 3-Year Cost of Ownership (TCO)
Dyson Purifier Hot+Cool Formaldehyde HP09
Levoit Core 600S Smart True HEPA
Room Placement & Bedroom Noise Check
Physical clearance required for airflow, wall placement, and bedroom noise levels.
Wall Clearance Required
Cylindrical base: needs 12 in airflow clearance around unit
Requires 12 in perimeter airflow space
Nighttime Sleep Mode Noise
28 dB night mode with dimmed LCD
Standard sleep speed
Unit Footprint & Dimensions
Bladeless oval loop (30.0 × 8.1 × 8.1 in; 12.6 lb; heats & cools)
Standard room purifier footprint
The 90-Day Owner Regret Check
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Dyson: What to watch for
- Hidden Cost
High replacement filter cost (~$80 each).
Levoit: What to watch for
- Maintenance
Requires periodic filter replacements to maintain airflow and odor capture.
Performance
leads 2-0| CADR | 190 CFM class (Air Multiplier 77 gallons/sec circulation) | 410 CFM (Smoke), 400 CFM (Dust), 420 CFM (Pollen) (wins this row: higher) |
|---|---|---|
| Room size | Medium to large bedrooms, living rooms up to 500 sq ft | Extra-large spaces, open-concept homes, basements |
| Coverage area | 500 sq ft room size with 350° oscillation | 1,588 sq ft (2 air changes/hr) / 635 sq ft (5 air changes/hr) (wins this row: higher) |
Filters
2 differences| Filter types | 360° Glass HEPA H13 + Activated Carbon + Cryptomic Formaldehyde filter | 3-Stage True HEPA (Pre-filter + H13 True HEPA + High-efficiency Custom Carbon) |
|---|---|---|
| Filter life | 12 months (HEPA/Carbon) / Permanent Formaldehyde catalyst | 6–12 months depending on air quality |
Usability & Smart
leads 1-0| Noise levels | 46 dB (Low) – 62 dB (Max) | 26 dB (QuietKeap Sleep mode) – 55 dB (High) (wins this row: lower) |
|---|---|---|
| Energy consumption | 40 W (Purifier mode) / 1,575 W (Heating mode) | 49 W max (Energy Star verified) |
| Smart features | MyDyson App, voice control via Alexa, Google Assistant, Siri Shortcuts | VeSync App, Alexa & Google Assistant voice integration, custom schedules |
| Air quality sensors | Solid-state formaldehyde sensor, PM2.5, PM10, VOC, NO2, Temperature, Humidity | AirSight Plus laser dust sensor (PM2.5 real-time numerical display) |
Design & Ownership
leads 1-0| Weight | 12.6 lb (5.7 kg) (wins this row: lower) | 13.7 lb (6.2 kg) |
|---|---|---|
| Warranty | 2 years | 2 years |
Which one should you buy
Pick this one if
Dyson Purifier Hot+Cool Formaldehyde HP09
3-in-1 purifier, ceramic space heater, and cooling fan with solid-state catalytic formaldehyde sensor.
- Combines HEPA H13 purification, fast ceramic heating, and cooling fan in one
- Destroys formaldehyde continuously without filter replacement
- Fully sealed whole-machine HEPA H13 standard prevents bypass
What you give up
- CADR airflow is lower than dedicated box purifiers
- Expensive upfront purchase price
Pick this one if
Levoit Core 600S Smart True HEPA
High-efficiency smart vortex air purifier with VortexAir 3.0 technology cleaning up to 1,588 sq ft in 30 mins.
- Exceptional CADR performance at an unbeatable sub-$300 price
- Ultra-quiet 26 dB Sleep mode with display light shutoff
- Feature-rich VeSync mobile app with voice assistant control
What you give up
- Activated carbon filter layer is thinner for heavy smoke odors
- Large cylindrical form factor requires space
Best for each use
Bedrooms
Tied on bedrooms. Levoit Core 600S Smart True HEPA is cheaper.
Big rooms & allergies
For big rooms & allergies, buy the Levoit Core 600S Smart True HEPA.
Low running cost
Too close to call on low running cost from the spec sheets.
Done deciding?
Open the full standalone spec sheet for either device.
Manufacturer pages: Dyson Purifier Hot+Cool Formaldehyde HP09 ↗ · Levoit Core 600S Smart True HEPA ↗
Common questions
Which is cheaper, the Dyson Purifier Hot+Cool Formaldehyde HP09 or the Levoit Core 600S Smart True HEPA?
Levoit Core 600S Smart True HEPA costs $500 less at list price.
What is the biggest catch with the Dyson Purifier Hot+Cool Formaldehyde HP09 or Levoit Core 600S Smart True HEPA?
Dyson Purifier Hot+Cool Formaldehyde HP09 has this deal-breaker: over 55 dB on high. Louder than normal conversation at full speed.
Which is better for bedrooms, the Dyson Purifier Hot+Cool Formaldehyde HP09 or the Levoit Core 600S Smart True HEPA?
Tied on bedrooms. Levoit Core 600S Smart True HEPA is cheaper. The 2 rankable bedrooms specs split 1 to 1. Saves $500 at list price.
What cannot be compared from spec sheets?
Of the 11 specs tracked here, 7 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.