Skip to content
Clinchmark

Head to head

Blueair Protect 7470i vs Levoit Core 400S

Blueair Protect 7470i leads 4 to 1 on the 5 rankable specs, but Levoit Core 400S costs $430 less.

Catalog as of September 1, 2026

Why, in numbers

Manufacturer list price, not a live offer. Confirm current pricing before you buy.

Blueair Protect 7470i
$6494 spec wins
Swap

Compare a different air purifier

Levoit Core 300S Smart True HEPA Air Purifier$149Winix 5500-2 Air Purifier$159Coway Airmega AP-1512HH Mighty$229Blueair Blue Pure 311i Max$229Honeywell HPA300 HEPA Air Purifier$249Levoit Core 600S Smart True HEPA$299Blueair Blue Pure 211+ Auto$339Coway Airmega 250$399Coway Airmega 400$549Alen BreatheSmart 75i Large Room Air Purifier$749Dyson Purifier Hot+Cool Formaldehyde HP09$799
Levoit Core 400S
$2191 spec win
Swap

Compare a different air purifier

Levoit Core 300S Smart True HEPA Air Purifier$149Winix 5500-2 Air Purifier$159Coway Airmega AP-1512HH Mighty$229Blueair Blue Pure 311i Max$229Honeywell HPA300 HEPA Air Purifier$249Levoit Core 600S Smart True HEPA$299Blueair Blue Pure 211+ Auto$339Coway Airmega 250$399Coway Airmega 400$549Alen BreatheSmart 75i Large Room Air Purifier$749Dyson Purifier Hot+Cool Formaldehyde HP09$799

Buying for

Every rankable spec counts once. Pick a lens to score only what matters for your air purifier.

Straight answer

Overall: 4 to 1

Buy the Blueair Protect 7470i.

  • Leads 4 of 5 rankable overall specs; Levoit Core 400S takes 1.
  • CADR: 270 CFM vs 260 CFM / 442 m³/h
  • Coverage area: 1,035 sq ft vs 403 sq ft
  • Levoit Core 400S is $430 cheaper. Pay the difference only if cadr matters to you.

Check first: the Blueair Protect 7470i weighs over 25 lb (11 kg). Tick them under deal-breakers if that rules it out.

4 Blueair Protect 7470i5 rankable of 11 specsLevoit Core 400S 1

Deal-breakers

tick what would make you walk away

  • row

    Undersized for an open-plan living area.

    Clear:Blueair Protect 7470i · 1,035 sq ftTrips:Levoit Core 400S · 403 sq ft
  • row

    Hard to move between rooms.

    Trips:Blueair Protect 7470i · 27.6 lbClear:Levoit Core 400S · 14.1 lb

At a glance

The handful of numbers that decide most purchases in this category.

2 of 2 differ

CADR

Blueair

270 CFM (Smoke), 275 CFM (Dust), 280 CFM (Pollen)

Levoit

260 CFM / 442 m³/h (Smoke), 260 CFM (Dust), 260 CFM (Pollen)

Coverage area

Blueair

1,035 sq ft (2 air changes/hr) / 418 sq ft (5 air changes/hr)

Levoit

403 sq ft (5 air changes/hr) / 990 sq ft (2 air changes/hr)

True 3-Year Cost of Ownership (TCO)

Upfront price + 3 years of consumables, fees & essential add-ons

Blueair Protect 7470i

Upfront list price$649
3-Yr SmartFilter RFID dual-layer (Every 12 months (~$80/yr))+$240
3-Year Estimated Total$889

Levoit Core 400S

Upfront list price$219
3-Yr H13 True HEPA filter (Every 12 months (~$45/yr))+$135
3-Year Estimated Total$354

Room Placement & Bedroom Noise Check

Physical clearance required for airflow, wall placement, and bedroom noise levels.

Ergonomic & Spatial Check

Wall Clearance Required

Cylindrical 360° filters cannot sit flush against walls without choking intake.

Blueair

Requires 12 in perimeter airflow space

Levoit

360° intake requires 15 in perimeter clearance from walls

Nighttime Sleep Mode Noise

Levels below 25 dB are virtually silent for light sleepers.

Blueair

Standard sleep speed

Levoit

24 dB quiet sleep mode

Unit Footprint & Dimensions

Blueair

Standard room purifier footprint

Levoit

Mid-sized cylinder (10.8 × 10.8 × 20.5 in; 11.0 lb)

The 90-Day Owner Regret Check

Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.

Post-Purchase Truths

Blueair: What to watch for

  • Maintenance

    Requires periodic filter replacements to maintain airflow and odor capture.

    Activated carbon and HEPA media gradually saturate, needing replacement once or twice yearly depending on air pollution and pet shedding.

Levoit: What to watch for

  • Maintenance

    Requires periodic filter replacements to maintain airflow and odor capture.

    Activated carbon and HEPA media gradually saturate, needing replacement once or twice yearly depending on air pollution and pet shedding.

Blueair Protect 7470i$6494 wins
Levoit Core 400S$2191 win

Performance

leads 2-0
Performance specifications. Middle column is Blueair Protect 7470i, right column is Levoit Core 400S.
CADR270 CFM (Smoke), 275 CFM (Dust), 280 CFM (Pollen) (wins this row: higher)260 CFM / 442 m³/h (Smoke), 260 CFM (Dust), 260 CFM (Pollen)
Room sizeMaster bedrooms, living areas up to 418 sq ft (5 ACH)Bedrooms, apartments, mid-size living spaces
Coverage area1,035 sq ft (2 air changes/hr) / 418 sq ft (5 air changes/hr) (wins this row: higher)403 sq ft (5 air changes/hr) / 990 sq ft (2 air changes/hr)

Filters

2 differences
Filters specifications. Middle column is Blueair Protect 7470i, right column is Levoit Core 400S.
Filter typesSmartFilter with Smart RFID chip (HEPASilent Ultra + Activated Carbon)3-Stage: Nylon Pre-filter + H13 True HEPA + High-Efficiency Activated Carbon
Filter life6–12 months with real-time algorithm filter tracking6–12 months

Usability & Smart

leads 1-0
Usability & Smart specifications. Middle column is Blueair Protect 7470i, right column is Levoit Core 400S.
Noise levels22 dB (Low) – 45 dB (High) (wins this row: lower)24 dB (Sleep mode) – 52 dB (High mode)
Energy consumption43 W max power (Energy Star certified)38 W max power consumption
Smart featuresBlueair App, Alexa, Google Home, GermShield 24/7 background modeVeSync Wi-Fi App, Amazon Alexa, Google Assistant voice control
Air quality sensorsLaser particle sensor (PM1, PM2.5, PM10), TVOC, Temp, HumidityAirSight Plus Laser Dust Sensor with PM2.5 numerical display and 4-color ring

Design & Ownership

2 differences
Design & Ownership specifications. Middle column is Blueair Protect 7470i, right column is Levoit Core 400S.
Weight27.6 lb (12.5 kg)14.1 lb (6.4 kg) (wins this row: lower)
Warranty5 years (with product registration) (wins this row: higher)2 years limited warranty
Most rows are from the official spec sheet. Marked rows are other published figures or our summary, not lab tests we ran.
Blueair Protect 7470i source (opens in a new tab)Levoit Core 400S source (opens in a new tab)

Which one should you buy

Pick this one if

Blueair Protect 7470i

HEPASilent Ultra smart air purifier with 24/7 GermShield bacterial protection and SpiralAir 360 vents.

  • HEPASilent Ultra electrostatic + mechanical filtration kills 99% of germs
  • SpiralAir omnidirectional airflow distributes clean air evenly
  • Premium matte build with intuitive LCD air quality touchscreen

What you give up

  • SmartFilter replacements are relatively costly
  • Heavier metallic construction
Full Blueair Protect 7470i specs →

Pick this one if

Levoit Core 400S

Smart air purifier with H13 True HEPA filtration, AirSight Plus laser dust sensor, and VeSync app control.

  • Whisper-quiet 24 dB sleep mode with completely dimmable light display
  • AirSight Plus laser sensor provides real-time PM2.5 numerical readings
  • VeSync smartphone app with scheduling, filter life tracking, and voice control

What you give up

  • Coverage is sized for medium bedrooms and living rooms (under 1,000 sq ft)
  • Activated carbon layer is a coated sheet rather than heavy pellet bed
Full Levoit Core 400S specs →

Best for each use

Bedrooms

Quiet nights: low-speed noise, sleep mode, schedules from your phone

Tied on bedrooms. Levoit Core 400S is cheaper.

  • The 2 rankable bedrooms specs split 1 to 1.
  • Saves $430 at list price.

Big rooms & allergies

Open-plan rooms or allergies: CADR, coverage, filter grade

For big rooms & allergies, buy the Blueair Protect 7470i.

  • Leads 2 of 2 rankable big rooms & allergies specs.
  • CADR: 270 CFM vs 260 CFM / 442 m³/h
  • Coverage area: 1,035 sq ft vs 403 sq ft
  • Levoit Core 400S is $430 cheaper. Pay the difference only if cadr matters to you.

Low running cost

Cheap to own: filter life, power draw, warranty

Too close to call on low running cost from the spec sheets. Only warranty is rankable here.

  • Filter life: 6–12 months with real-time algorithm filter… vs 6–12 months
  • Energy consumption: 43 W max power vs 38 W max power consumption

Every answer above is scored from published figures. A lens uses only the rows that matter for that use, including marked rows that are not on the official sheet. Switch lenses interactively in the panel above.

Done deciding?

Open the full standalone spec sheet for either device.

Blueair Protect 7470i spec sheetLevoit Core 400S spec sheet

Manufacturer pages: Blueair Protect 7470i ↗ · Levoit Core 400S ↗

Common questions

Which is cheaper, the Blueair Protect 7470i or the Levoit Core 400S?

Levoit Core 400S costs $430 less at list price.

What is the biggest catch with the Blueair Protect 7470i or Levoit Core 400S?

Levoit Core 400S has this deal-breaker: under 1,000 sq ft coverage. Undersized for an open-plan living area.

Which is better for bedrooms, the Blueair Protect 7470i or the Levoit Core 400S?

Tied on bedrooms. Levoit Core 400S is cheaper. The 2 rankable bedrooms specs split 1 to 1. Saves $430 at list price.

What cannot be compared from spec sheets?

Of the 11 specs tracked here, 6 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.

Other matchups

Alen BreatheSmart 75i Large Room Air Purifier vs Blueair Blue Pure 211+ Auto

Alen BreatheSmart 75i Large Room Air Purifier vs Blueair Blue Pure 311i Max

Alen BreatheSmart 75i Large Room Air Purifier vs Blueair Protect 7470i