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Blueair 2-in-1 Purify + Humidify DH3i

Ranked #3 of 9 in Best Air Purifier Fan, Heater & Humidifier Combos: Dyson, Blueair, Shark, Honeywell (2026). Here is every spec we scored, where it came from, and how it compares.

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#3

Blueair 2-in-1 Purify + Humidify DH3i

Best for: A purifier-humidifier with 232 CFM smoke CADR

5.8/10

What we like

  • Highest CADR among the combos
  • Humidifies

Watch out for

  • No fan or heat mode
  • Small 3 L tank

Score breakdown

Heater mode 22%
Cooling fan / circulator mode 17%
Humidifier 17%
Smoke CADR 28%
Carbon stage included 17%
Heater modeNo
Cooling fan / circulator modeNo
HumidifierYes
Smoke CADR232 CFM
Oscillation rangeNot listed
Carbon stage includedYes
ModesPurify, humidify
CADR (smoke / dust / pollen)232 / 222 / 235
Recommended room360 ft²
Tank3 L
FiltersParticle + carbon, wick
Noise24–52 dB
Power36 W
Weight13.8 lb
PriceCheck price
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Specs source:

Blueair 2-in-1 Purify + Humidify DH3i head-to-head

Head-to-headBlueair 2-in-1 Purify + Humidify DH3i vs Blueair 2-in-1 Pro Purify + HumidifyHead-to-headBlueair 2-in-1 Purify + Humidify DH3i vs Dyson Purifier Humidify+Cool PH2 De-NOxHead-to-headBlueair ComfortPure 3-in-1 T20i vs Blueair 2-in-1 Purify + Humidify DH3iHead-to-headDyson Purifier Hot+Cool HP2 De-NOx vs Blueair 2-in-1 Purify + Humidify DH3i

How it compares

Open the full comparison table

Blueair ComfortPure 3-in-1 T20i
7.9/10
#1 · Heat, cool and purify with a published 227 CFM CADR
Dyson Purifier Hot+Cool HP2 De-NOx
6.2/10
#2 · Purifies, heats and cools, with 350° oscillation
Blueair ComfortPure 3-in-1 T10i
5.8/10
#4 · The smaller ComfortPure for 175 sq ft
Dyson Purifier Humidify+Cool PH2 De-NOx
4.9/10
#5 · Purifies, humidifies and cools
Dyson Purifier Cool PC1
4.2/10
#6 · A purifying tower fan with 350° oscillation
Blueair 2-in-1 Pro Purify + Humidify
3.6/10
#7 · A 1.3-gallon purifier-humidifier with Skin Mode
Honeywell Allergen Plus 3-in-1 HPA6000
3.6/10
#8 · Purifier, fan and 360° air circulator
Shark Tower Fan + Air Purifier (TF202S)
2.2/10
#9 · A 2-in-1 tower fan with a 5-year NeverChange filter