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 Winix 5500-2 Air Purifier
Find the differences that matter for your next decision.
Winix
Winix 5500-2 Air Purifier
Air purifiers
$159List 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. Winix 5500-2 Air Purifier is cheaper.
- The 4 rankable overall specs split 2 to 2.
- Saves $640 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
Check first: the Winix 5500-2 Air Purifier has no Wi-Fi app.
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 | Winix 5500-2 Air Purifier |
|---|---|---|
| CADRPerformance | 190 CFM class (Air Multiplier 77 gallons/sec circulation) | 232 CFM (Smoke), 243 CFM (Dust), 246 CFM (Pollen) |
| Room sizePerformance | Medium to large bedrooms, living rooms up to 500 sq ft | Bedrooms, nurseries, home offices up to 360 sq ft |
| Coverage areaPerformance | 500 sq ft room size with 350° oscillation | 360 sq ft (5 air changes/hr) / 880 sq ft (2 air changes/hr) |
| Filter typesFilters | 360° Glass HEPA H13 + Activated Carbon + Cryptomic Formaldehyde filter | Fine Mesh Pre-Filter + Washable AOC Carbon + True HEPA (99.97%) |
| Filter lifeFilters | 12 months (HEPA/Carbon) / Permanent Formaldehyde catalyst | 12 months (HEPA) / Washable carbon filter |
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
Winix 5500-2 Air Purifier
Reasons to choose it
- Washable Advanced Odor Control (AOC) carbon filter with real carbon pellets
- PlasmaWave technology breaks down pollutants at molecular level
- Unbeatable performance per dollar in medium rooms
Worth considering
- No mobile app connectivity or smart home controls
- Aesthetics and plastic chassis are dated
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
Winix 5500-2 Air Purifier
3-Year Estimated Total$294
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
Winix
Requires 12 in perimeter airflow space
Nighttime Sleep Mode Noise
Dyson
28 dB night mode with dimmed LCD
Winix
Standard sleep speed
Unit Footprint & Dimensions
Dyson
Bladeless oval loop (30.0 × 8.1 × 8.1 in; 12.6 lb; heats & cools)
Winix
Standard room purifier footprint
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).
Winix: What to watch for
- Maintenance
Requires periodic filter replacements to maintain airflow and odor capture.
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 Winix 5500-2 Air Purifier?
Winix 5500-2 Air Purifier costs $640 less at list price.
What is the biggest catch with the Dyson Purifier Hot+Cool Formaldehyde HP09 or Winix 5500-2 Air Purifier?
Winix 5500-2 Air Purifier has this deal-breaker: no Wi-Fi app. No schedules or remote control from your phone.
Which is better for bedrooms, the Dyson Purifier Hot+Cool Formaldehyde HP09 or the Winix 5500-2 Air Purifier?
Tied on bedrooms. Winix 5500-2 Air Purifier is cheaper. The 2 rankable bedrooms specs split 1 to 1. Saves $640 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.