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Air Purifiers · Comparison

Dyson Purifier Cool TP07 vs Levoit Core 400S

This isn't a close call — the Core 400S wins by a wide margin on our formula. But it's probably the single most common branded search in this entire category, so it deserves a direct answer rather than being ignored. The real question isn't which one scores higher — it's whether the Dyson name, design and bonus fan function are worth what they cost on top of a machine that cleans air for a lot less.

Last updated 2026-08-02.

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Quick comparison

Ranked by Picksights Score. Prices are approximate and change frequently.
ProductPicksights ScoreFromBest for
#1 · Levoit Levoit Core 400S8.7/10$189Best for most rooms
#2 · Dyson Dyson Purifier Cool TP075.1/10$549.99Best if you also want a fan, from the biggest name in the category

Swipe the table sideways to see every column.

Top pick

Levoit Levoit Core 400S

Levoit

Number 1: Levoit Core 400S

PS8.7/10

Best for most rooms

The right default for a bedroom or a normal living room, and the reason is the filter design rather than the airflow. One combined cartridge every six months keeps the running cost near the bottom of the category, and Consumer Reports' own testing shows that number varying by hundreds of dollars a year between machines. It is quiet enough to sleep next to. If you are buying for wildfire smoke or a large open-plan floor, buy more CADR instead.

Pros

  • One combined filter instead of two, which is why its running cost sits at the low end of the category
  • 24 dB on low — quiet enough that you will forget it is on
  • AHAM-verified CADR, so the performance figure is comparable rather than a marketing claim

Cons

  • Lower raw CADR than the Honeywell here, which matters during smoke events
  • Covers 403 sq ft, so it is undersized for a large open-plan space
  • Filters are proprietary, as with every purifier — factor that in for the life of the machine

From $189Approximate — prices change

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Sources: Consumer Reports air purifier buying guide (2026-06-04) · The Home Picker in-home comparison (2026-06-12)Last checked by Picksights 2026-07-29

Dyson

Number 2: Dyson Purifier Cool TP07

PS5.1/10

Best if you also want a fan, from the biggest name in the category

Dyson is the single most recognized name in this category, and until now it was the one honest gap in this ranking's brand coverage. On our own formula it finishes last, and the numbers explain why plainly: unlike every other purifier here, Dyson doesn't publish an AHAM-verified CADR, and RTINGS' independent lab testing puts its actual dust CADR at 164 — lower than the $150 Coway Mighty. The roughly $80 filter and the $549.99 price don't help either. What you're actually paying for is design, a genuinely capable bladeless fan built into the same unit, and Dyson's own sensor-driven auto mode — real advantages if they matter to you, but not air-cleaning performance per dollar. If performance per dollar is your only criterion, buy the Levoit instead.

Pros

  • Third-party lab-verified sealed HEPA H13 filtration, and the only machine here that doubles as a genuinely capable bladeless fan
  • Real-time air quality readout and sensor-driven auto mode via the MyDyson app
  • Reviewers consistently describe it as quiet enough for overnight use on its lower settings

Cons

  • Dyson does not publish an AHAM-verified CADR like every other purifier in this ranking — RTINGS' own lab testing puts its dust CADR at 164, lower than the $150 Coway Mighty's verified 233
  • The single HEPA-and-carbon filter costs about $80 and needs replacing every 6-8 months, the most expensive running cost in this category
  • At $549.99 it costs more than three times the cheapest machine here, and independent testing (HouseFresh) puts its air-cleaning performance per dollar at roughly a fifth to an eighth of mainstream rivals

From $549.99Approximate — prices change

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Sources: RTINGS.com independent lab review (Dyson Purifier Cool TP07) (2026) · HouseFresh independent review (Dyson Purifier Cool TP07) (2026)Last checked by Picksights 2026-08-02

The real question: are you paying for performance or for the brand?

The Core 400S has an AHAM-verified CADR of 260 — comparable against any other purifier on the market — for about $189, with a single combined filter that lasts around six months. The TP07 doesn't publish an AHAM-verified CADR at all; RTINGS' independent lab testing measures its actual dust CADR at 164, lower than the Core 400S itself, for $549.99 — more than double the price.

What the Dyson does give you is something the Levoit doesn't: it also works as a bladeless fan with 350° oscillation, a real-time air-quality sensor readout, and the most recognizable design in the category. If that matters to you, buy it with your eyes open. If you just want to clean a room's air for the least money, the Core 400S does that job better for less than half the price.

How we rank

Picksights Score is a weighted average of 4 criteria, the same as in the full air purifier ranking:

  • Clean air delivery (CADR) — 35%
  • Running cost — 25%
  • Noise level — 15%
  • Price-to-value — 25%

Full ranking: Best Air Purifier →

In depth: Full Levoit Core 400S review →

Guide: CADR Explained →