Dyson Purifier Hot+Cool HP2 De-NOx vs Blueair 2-in-1 Purify + Humidify DH3i
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: Purifies, heats and cools, with 350° oscillation
Check price at AmazonBest for: A purifier-humidifier with 232 CFM smoke CADR
Check price at AmazonSpec-by-spec comparison
Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.
| Spec | Dyson Purifier Hot+Cool HP2 De-NOx | Blueair 2-in-1 Purify + Humidify DH3i | Weight |
|---|---|---|---|
| Heater modeYes when the maker lists a heating mode. A heater combo replaces a space heater in winter. | Yes | 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. | Yes | No | 15% |
| HumidifierYes for units with a water tank that add moisture (Dyson PH2, Blueair 2-in-1). | No | 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. | Not listed | 232 CFM | 25% |
| Oscillation rangeHow far the unit turns to spread air around the room, per the maker. | 350 ° | Not listed | 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, heat, cool | Purify, humidify | info |
| AHAM CADR | Not published by the maker | Not listed | info |
| Filter | Combined HEPA + K-Carbon | Not listed | info |
| Filter life | 1 year (12 h/day) | Not listed | info |
| Oscillation | 350° | Not listed | info |
| Speeds | 10 | Not listed | info |
| Height | 30.1 in | Not listed | info |
| Weight | 12.2 lb | 13.8 lb | info |
| CADR (smoke / dust / pollen) | Not listed | 232 / 222 / 235 | info |
| Recommended room | Not listed | 360 ft² | info |
| Tank | Not listed | 3 L | info |
| Filters | Not listed | Particle + carbon, wick | info |
| Noise | Not listed | 24–52 dB | info |
| Power | Not listed | 36 W | info |
| AirPick score | 6.2/10 | 5.8/10 | 100% |
Where each one comes out ahead
Dyson Purifier Hot+Cool HP2 De-NOx
Better published figure on: Heater mode, Cooling fan / circulator mode.
What we like
- Heats, cools and purifies
- 350° oscillation
- K-Carbon filter
Watch out for
- No CADR, noise or power on the page
Blueair 2-in-1 Purify + Humidify DH3i
Better published figure on: Humidifier.
What we like
- Highest CADR among the combos
- Humidifies
Watch out for
- No fan or heat mode
- Small 3 L tank
Verdict
On published specs, the Dyson Purifier Hot+Cool HP2 De-NOx scores higher (6.2 vs 5.8). Specs don't capture sound character or feel, so weigh the pros and cons above too.
- Choose the Dyson Purifier Hot+Cool HP2 De-NOx if this sounds like you: purifies, heats and cools, with 350° oscillation.
- Choose the Blueair 2-in-1 Purify + Humidify DH3i if this sounds like you: a purifier-humidifier with 232 CFM smoke CADR.
- Dyson Purifier Hot+Cool HP2 De-NOx: Dyson: Purifier Hot+Cool HP2 De-NOx
- Blueair 2-in-1 Purify + Humidify DH3i: Blueair: 2-in-1 Purify + Humidify DH3i