Blueair ComfortPure 3-in-1 T20i 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.
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: Heat, cool and purify with a published 227 CFM CADR
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 | Blueair ComfortPure 3-in-1 T20i | 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. | 227 CFM | 232 CFM | 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 | Heat, cool, purify | Purify, humidify | info |
| CADR (smoke / dust / pollen) | 227 / 238 / 252 | 232 / 222 / 235 | info |
| Recommended room | 352 ft² (4.8 ACH) | 360 ft² | info |
| Filter | Particle + carbon | Not listed | info |
| Filter life | Up to 1 year (RealTrack) | Not listed | info |
| Noise | 24–52 dB | 24–52 dB | info |
| Energy consumption (listed) | 36 W | Not listed | info |
| Oscillation | Adjustable (angle not listed) | Not listed | info |
| Weight | 26.9 lb | 13.8 lb | info |
| Tank | Not listed | 3 L | info |
| Filters | Not listed | Particle + carbon, wick | info |
| Power | Not listed | 36 W | info |
| AirPick score | 7.9/10 | 5.8/10 | 100% |
Where each one comes out ahead
Blueair ComfortPure 3-in-1 T20i
Better published figure on: Heater mode, Cooling fan / circulator mode.
What we like
- The only heater combo here with a CADR
- Anti-tip and overheat shutoff
Watch out for
- 26.9 lb
- Oscillation angle not published
Blueair 2-in-1 Purify + Humidify DH3i
Better published figure on: Humidifier, Smoke CADR.
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 Blueair ComfortPure 3-in-1 T20i scores higher (7.9 vs 5.8). Specs don't capture sound character or feel, so weigh the pros and cons above too.
- Choose the Blueair ComfortPure 3-in-1 T20i if this sounds like you: heat, cool and purify with a published 227 CFM CADR.
- Choose the Blueair 2-in-1 Purify + Humidify DH3i if this sounds like you: a purifier-humidifier with 232 CFM smoke CADR.
- Blueair ComfortPure 3-in-1 T20i: Blueair: ComfortPure 3-in-1 T20i
- Blueair 2-in-1 Purify + Humidify DH3i: Blueair: 2-in-1 Purify + Humidify DH3i