Blueair 2-in-1 Purify + Humidify DH3i vs Blueair 2-in-1 Pro Purify + Humidify
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.
Affiliate disclosure: We earn a commission if you buy through links on this page, at no extra cost to you. It never affects our rankings, which come from the published scoring formula. As an Amazon Associate I earn from qualifying purchases. Learn more.
Best for: A purifier-humidifier with 232 CFM smoke CADR
Check price at AmazonBest for: A 1.3-gallon purifier-humidifier with Skin Mode
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 | Blueair 2-in-1 Pro Purify + Humidify | 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 | No | 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 | 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, humidify | Purify, humidify (Skin Mode) | info |
| CADR (smoke / dust / pollen) | 232 / 222 / 235 | Not listed | info |
| Recommended room | 360 ft² | 391 ft² | info |
| Tank | 3 L | 1.3 gal (up to 60 h in auto) | info |
| Filters | Particle + carbon, wick | Particle + carbon, wick | info |
| Noise | 24–52 dB | 20–56 dB | info |
| Power | 36 W | Up to 60 W | info |
| Weight | 13.8 lb | 18.5 lb | info |
| AHAM CADR | Not listed | Not listed on the product page | info |
| AirPick score | 5.8/10 | 3.6/10 | 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
Blueair 2-in-1 Pro Purify + Humidify
No scored spec where it is strictly ahead; its case rests on the strengths below.
What we like
- 1.3 gal tank, up to 60 h
- 20 dB on low
Watch out for
- CADR not listed
- 56 dB on high
Verdict
DH3i lists a 232 CFM CADR and 36 W. The Pro has a bigger tank (1.3 gal vs 3 L), Skin Mode and a quieter low setting (20 vs 24 dB), but no CADR on its page.
- Blueair 2-in-1 Purify + Humidify DH3i: Blueair: 2-in-1 Purify + Humidify DH3i
- Blueair 2-in-1 Pro Purify + Humidify: Blueair: 2-in-1 Pro