Blueair 2-in-1 Purify + Humidify DH3i vs Dyson Purifier Humidify+Cool PH2 De-NOx
Two of the purifier + fan, heater & humidifier combos in our best air purifier fan, heater & humidifier combos: dyson, blueair, shark, honeywell comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.
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Best for: A purifier-humidifier with 232 CFM smoke CADR
Check price at AmazonDyson Purifier Humidify+Cool PH2 De-NOx
Best for: Purifies, humidifies and cools
Check price at AmazonSpec-by-spec comparison
Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.
| Spec | Blueair 2-in-1 Purify + Humidify DH3i | Dyson Purifier Humidify+Cool PH2 De-NOx | Weight |
|---|---|---|---|
| Heater modeYes when the maker lists a heating mode. A heater combo replaces a space heater in winter. | No | No | 20% |
| Cooling fan / circulator modeYes when the unit can blow air at you or circulate the room. Honeywell notes its circulator moves air but doesn't cool it. | No | Yes | 15% |
| HumidifierYes for units with a water tank that add moisture (Dyson PH2, Blueair 2-in-1). | Yes | Yes | 15% |
| Smoke CADRListed only by Blueair here. Dyson, Shark and Honeywell don't publish an AHAM CADR, so those cells are blank and score at the lowest published value in the category. | 232 CFM | Not listed | 25% |
| Oscillation rangeHow far the unit turns to spread air around the room, per the maker. | Not listed | 90 ° | 10% |
| Carbon stage includedYes when the included filter has activated carbon (Dyson K-Carbon or activated carbon, Blueair particle + carbon, Honeywell carbon filter). | Yes | Yes | 15% |
| Modes | Purify, humidify | Purify, humidify, cool | info |
| CADR (smoke / dust / pollen) | 232 / 222 / 235 | Not listed | info |
| Recommended room | 360 ft² | Not listed | info |
| Tank | 3 L | Not listed | info |
| Filters | Particle + carbon, wick | Not listed | info |
| Noise | 24–52 dB | Not listed | info |
| Power | 36 W | Not listed | info |
| Weight | 13.8 lb | 17.9 lb | info |
| AHAM CADR | Not listed | Not published by the maker | info |
| Filter | Not listed | Combined HEPA + K-Carbon | info |
| Filter life | Not listed | 1 year (12 h/day) | info |
| Oscillation | Not listed | 90° | info |
| Speeds | Not listed | 10 | info |
| Height | Not listed | 36.3 in | info |
| AirPick score | 5.8/10 | 4.9/10 | 100% |
Where each one comes out ahead
Blueair 2-in-1 Purify + Humidify DH3i
No scored spec where it is strictly ahead; its case rests on the strengths below.
What we like
- Highest CADR among the combos
- Humidifies
Watch out for
- No fan or heat mode
- Small 3 L tank
Dyson Purifier Humidify+Cool PH2 De-NOx
Better published figure on: Cooling fan / circulator mode.
What we like
- Humidifier, fan and purifier
- K-Carbon filter
Watch out for
- 90° oscillation
- No CADR on the page
Verdict
Dyson adds a fan; Blueair publishes a 232 CFM CADR. Both use carbon filters.
- Blueair 2-in-1 Purify + Humidify DH3i: Blueair: 2-in-1 Purify + Humidify DH3i
- Dyson Purifier Humidify+Cool PH2 De-NOx: Dyson: Purifier Humidify+Cool PH2 De-NOx