Dyson
Dyson Purifier Hot+Cool Formaldehyde HP09
Air purifiers
$799List price
Explore this product Your shortlist, side by side
Dyson Purifier Hot+Cool Formaldehyde HP09 vs Levoit Core 300S Smart True HEPA Air Purifier
Find the differences that matter for your next decision.
Levoit
Levoit Core 300S Smart True HEPA Air Purifier
Air purifiers
$149List price
Explore this product What matters most to you?
Start with all rankable specifications, or focus on a particular use.
Your starting point
Tied overall. Levoit Core 300S Smart True HEPA Air Purifier is cheaper.
- The 4 rankable overall specs split 2 to 2.
- Saves $650 at list price.
How we reached this
We compare the published specifications relevant to your priority. Each rankable specification counts once; your selected requirements can rule a product out. This is a guide to the numbers, not a laboratory performance score.
The trade-off to know
Levoit Core 300S Smart True HEPA Air Purifier: Designed for smaller to medium rooms (up to 219 sq ft for 5 ACH)
Look at the differences ↓Refine your requirements
What would rule one out?
Side by side
The differences, in detail.
Start with the key specs, then explore as much as you need.
| What you’re comparing | Dyson Purifier Hot+Cool Formaldehyde HP09 | Levoit Core 300S Smart True HEPA Air Purifier |
|---|---|---|
| CADRPerformance | 190 CFM class (Air Multiplier 77 gallons/sec circulation) | 141 CFM / 240 m³/h (Smoke), 140 CFM (Dust), 145 CFM (Pollen) |
| Room sizePerformance | Medium to large bedrooms, living rooms up to 500 sq ft | Bedrooms, nurseries, home offices up to 219 sq ft (5 ACH) / up to 1,095 sq ft (1 ACH) |
| Coverage areaPerformance | 500 sq ft room size with 350° oscillation | 219 sq ft (5 air changes/hr) / 1,095 sq ft (1 air change/hr) |
| Filter typesFilters | 360° Glass HEPA H13 + Activated Carbon + Cryptomic Formaldehyde filter | 3-Stage filtration: Pre-filter + H13 True HEPA + High-Efficiency Activated Carbon filter |
| Filter lifeFilters | 12 months (HEPA/Carbon) / Permanent Formaldehyde catalyst | 6 to 8 months |
Showing 5 of 11 specifications. Missing values stay unlisted. About the sources
Both sides of the decision
What you gain. What you give up.
Dyson Purifier Hot+Cool Formaldehyde HP09
Reasons to choose it
- 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
Worth considering
- CADR airflow is lower than dedicated box purifiers
- Expensive upfront purchase price
Levoit Core 300S Smart True HEPA Air Purifier
Reasons to choose it
- Whisper-quiet 22dB Sleep Mode
- Compact footprint ideal for bedrooms and home offices
- Full smart app control and Alexa/Google voice integration
Worth considering
- Designed for smaller to medium rooms (up to 219 sq ft for 5 ACH)
- Laser dust sensor only measures PM2.5 (no VOC / gas sensor)
Beyond the spec sheet
Living with your choice.
Explore the ownership details available for this pair.
What three years could cost
Dyson Purifier Hot+Cool Formaldehyde HP09
3-Year Estimated Total$1,039
Levoit Core 300S Smart True HEPA Air Purifier
3-Year Estimated Total$227
Room Placement & Bedroom Noise Check
Physical clearance required for airflow, wall placement, and bedroom noise levels.
Wall Clearance Required
Dyson
Cylindrical base: needs 12 in airflow clearance around unit
Levoit
360° intake requires 15 in perimeter clearance from walls
Nighttime Sleep Mode Noise
Dyson
28 dB night mode with dimmed LCD
Levoit
22 dB whisper mode (practically inaudible on nightstand)
Unit Footprint & Dimensions
Dyson
Bladeless oval loop (30.0 × 8.1 × 8.1 in; 12.6 lb; heats & cools)
Levoit
Compact cylinder (8.7 × 8.7 × 14.2 in; 5.9 lb)
Everyday ownership notes
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
- Hardware Quirk
No true HEPA H13 rating on recent replacement filters.
- Maintenance
Filter check light does not measure real dirt; it operates on a fixed timer.
Know what’s behind the comparison
Published specs. Visible sources.
Clinchmark compares manufacturer specifications and other published information. We have not independently lab-tested these products. Editorial assessments and unknown values are identified in the specification details.
Catalog snapshot: September 1, 2026. Prices, availability, and provider terms can change.
Still weighing it up?
Which is cheaper, the Dyson Purifier Hot+Cool Formaldehyde HP09 or the Levoit Core 300S Smart True HEPA Air Purifier?
Levoit Core 300S Smart True HEPA Air Purifier costs $650 less at list price.
What is the biggest catch with the Dyson Purifier Hot+Cool Formaldehyde HP09 or Levoit Core 300S Smart True HEPA Air Purifier?
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 300S Smart True HEPA Air Purifier?
For bedrooms, buy the Levoit Core 300S Smart True HEPA Air Purifier. Leads 2 of 2 rankable bedrooms specs. Noise levels: 22 dB vs 46 dB
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.
A few other possibilities.
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