Head to head

Blueair Protect 7470i vs Levoit Core 300S Smart True HEPA Air Purifier

Blueair Protect 7470i leads 3 to 1 on the 4 rankable specs, but Levoit Core 300S Smart True HEPA Air Purifier costs $500 less. Most of the 11 attributes tracked here are descriptive rather than numeric.

Catalog as of September 1, 2026

Why, in numbers

CADR: Blueair Protect 7470i lists 270 CFM (Smoke), 275 CFM (Dust), 280 CFM (Pollen) (Blueair sheet, 2026-09-02); Levoit Core 300S Smart True HEPA Air Purifier lists 141 CFM / 240 m³/h (Smoke), 140 CFM (Dust), 145 CFM (Pollen) (Levoit sheet, 2026-09-02).
Coverage area: Blueair Protect 7470i lists 1,035 sq ft (2 air changes/hr) / 418 sq ft (5 air changes/hr) (Blueair sheet, 2026-09-02); Levoit Core 300S Smart True HEPA Air Purifier lists 219 sq ft (5 air changes/hr) / 1,095 sq ft (1 air change/hr) (Levoit sheet, 2026-09-02).
Room size: Blueair Protect 7470i lists Master bedrooms, living areas up to 418 sq ft (5 ACH) (Blueair sheet, 2026-09-02); Levoit Core 300S Smart True HEPA Air Purifier lists Bedrooms, nurseries, home offices up to 219 sq ft (5 ACH) / up to 1,095 sq ft (1 ACH) (Levoit sheet, 2026-09-02).
Filter types: Blueair Protect 7470i lists SmartFilter with Smart RFID chip (HEPASilent Ultra + Activated Carbon) (Blueair sheet, 2026-09-02); Levoit Core 300S Smart True HEPA Air Purifier lists 3-Stage filtration: Pre-filter + H13 True HEPA + High-Efficiency Activated Carbon filter (Levoit sheet, 2026-09-02).
Filter life: Blueair Protect 7470i lists 6–12 months with real-time algorithm filter tracking (Blueair sheet, 2026-09-02); Levoit Core 300S Smart True HEPA Air Purifier lists 6 to 8 months (Levoit sheet, 2026-09-02).

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

Blueair Protect 7470i

$6493 spec wins

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Winix 5500-2 Air Purifier$159 Levoit Core 400S$219 Coway Airmega AP-1512HH Mighty$229 Blueair Blue Pure 311i Max$229 Honeywell HPA300 HEPA Air Purifier$249 Levoit Core 600S Smart True HEPA$299 Blueair Blue Pure 211+ Auto$339 Coway Airmega 250$399 Coway Airmega 400$549 Alen BreatheSmart 75i Large Room Air Purifier$749 Dyson Purifier Hot+Cool Formaldehyde HP09$799

Levoit Core 300S Smart True HEPA Air Purifier

$1491 spec win

Swap

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Buying for

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

Straight answer

Overall: 3 to 1

Buy the Blueair Protect 7470i.

Leads 3 of 4 rankable overall specs; Levoit Core 300S Smart True HEPA Air Purifier takes 1.
CADR: 270 CFM vs 141 CFM / 240 m³/h
Coverage area: 1,035 sq ft vs 219 sq ft
Levoit Core 300S Smart True HEPA Air Purifier is $500 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.

3 Blueair Protect 7470i4 rankable of 11 specsLevoit Core 300S Smart True HEPA Air Purifier 1

Deal-breakers

tick what would make you walk away

Under 1,000 sq ft coveragerow
Undersized for an open-plan living area.
Clear:Blueair Protect 7470i · 1,035 sq ftTrips:Levoit Core 300S Smart True HEPA Air Purifier · 219 sq ft
Over 25 lb (11 kg)row
Hard to move between rooms.
Trips:Blueair Protect 7470i · 27.6 lbClear:Levoit Core 300S Smart True HEPA Air Purifier · 5.95 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

141 CFM / 240 m³/h (Smoke), 140 CFM (Dust), 145 CFM (Pollen)

Coverage area

Blueair

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

Levoit

219 sq ft (5 air changes/hr) / 1,095 sq ft (1 air change/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 300S Smart True HEPA Air Purifier

Upfront list price$149

3-Yr Replacement filter (Every 6–8 months (~$26/yr))+$78

3-Year Estimated Total$227

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

22 dB whisper mode (practically inaudible on nightstand)

Unit Footprint & Dimensions

Blueair

Standard room purifier footprint

Levoit

Compact cylinder (8.7 × 8.7 × 14.2 in; 5.9 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

Hardware Quirk
No true HEPA H13 rating on recent replacement filters.
Due to US regulatory naming updates, Levoit adjusted terminology from "True HEPA" to "HEPASmart" on several retail filter packs.
Maintenance
Filter check light does not measure real dirt; it operates on a fixed timer.
The filter replacement alert triggers every 6 months regardless of whether your room was smoky or pristine, requiring manual reset.

Blueair Protect 7470i$6493 wins

Levoit Core 300S Smart True HEPA Air Purifier$1491 win

Performance Filters Usability & Smart Design & Ownership

11 of 11 attributes differ. Identical rows are dimmed.

Performance

leads 2-0

Performance specifications. Middle column is Blueair Protect 7470i, right column is Levoit Core 300S Smart True HEPA Air Purifier.
CADR	270 CFM (Smoke), 275 CFM (Dust), 280 CFM (Pollen) (wins this row: higher)	141 CFM / 240 m³/h (Smoke), 140 CFM (Dust), 145 CFM (Pollen)
Room size	Master bedrooms, living areas up to 418 sq ft (5 ACH)	Bedrooms, nurseries, home offices up to 219 sq ft (5 ACH) / up to 1,095 sq ft (1 ACH)
Coverage area	1,035 sq ft (2 air changes/hr) / 418 sq ft (5 air changes/hr) (wins this row: higher)	219 sq ft (5 air changes/hr) / 1,095 sq ft (1 air change/hr)

Filters

2 differences

Filters specifications. Middle column is Blueair Protect 7470i, right column is Levoit Core 300S Smart True HEPA Air Purifier.
Filter types	SmartFilter with Smart RFID chip (HEPASilent Ultra + Activated Carbon)	3-Stage filtration: Pre-filter + H13 True HEPA + High-Efficiency Activated Carbon filter
Filter life	6–12 months with real-time algorithm filter tracking	6 to 8 months

Usability & Smart

4 differences

Usability & Smart specifications. Middle column is Blueair Protect 7470i, right column is Levoit Core 300S Smart True HEPA Air Purifier.
Noise levels	22 dB (Low) – 45 dB (High)	22 dB (Sleep mode) – 48 dB (High speed)
Energy consumption	43 W max power (Energy Star certified)	23 W max power (Energy Star Certified)
Smart features	Blueair App, Alexa, Google Home, GermShield 24/7 background mode	VeSync App (iOS/Android), voice control via Amazon Alexa and Google Assistant
Air quality sensors	Laser particle sensor (PM1, PM2.5, PM10), TVOC, Temp, Humidity	AirSight Plus Laser Dust Sensor (real-time PM2.5 with 4-color air quality ring)

Design & Ownership

2 differences

Design & Ownership specifications. Middle column is Blueair Protect 7470i, right column is Levoit Core 300S Smart True HEPA Air Purifier.
Weight	27.6 lb (12.5 kg)	5.95 lb (2.7 kg) (wins this row: lower)
Warranty	5 years (with product registration) (wins this row: higher)	2 years limited warranty (with registration)

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 Levoit Core 300S Smart True HEPA Air Purifier source

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 300S Smart True HEPA Air Purifier

Compact smart air purifier with 3-stage True HEPA H13 filtration, VortexAir technology, and VeSync app smart control.

Whisper-quiet 22dB Sleep Mode
Compact footprint ideal for bedrooms and home offices
Full smart app control and Alexa/Google voice integration

What you give up

Designed for smaller to medium rooms (up to 219 sq ft for 5 ACH)
Laser dust sensor only measures PM2.5 (no VOC / gas sensor)

Full Levoit Core 300S Smart True HEPA Air Purifier specs →

Best for each use

Bedrooms

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

Too close to call on bedrooms from the spec sheets. Only weight is rankable here.

Noise levels: 22 dB vs 22 dB
Smart features: Blueair App, Alexa, Google Home, GermShield… vs VeSync App

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 141 CFM / 240 m³/h
Coverage area: 1,035 sq ft vs 219 sq ft
Levoit Core 300S Smart True HEPA Air Purifier is $500 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 to 8 months
Energy consumption: 43 W max power vs 23 W max power

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 sheet Levoit Core 300S Smart True HEPA Air Purifier spec sheet

Manufacturer pages: Blueair Protect 7470i ↗ · Levoit Core 300S Smart True HEPA Air Purifier ↗

Common questions

Which is cheaper, the Blueair Protect 7470i or the Levoit Core 300S Smart True HEPA Air Purifier?

Levoit Core 300S Smart True HEPA Air Purifier costs $500 less at list price.

What is the biggest catch with the Blueair Protect 7470i or Levoit Core 300S Smart True HEPA Air Purifier?

Levoit Core 300S Smart True HEPA Air Purifier 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 300S Smart True HEPA Air Purifier?

Too close to call on bedrooms from the spec sheets. Only weight is rankable here. Noise levels: 22 dB vs 22 dB Smart features: Blueair App, Alexa, Google Home, GermShield… vs VeSync App

What cannot be compared from spec sheets?

Of the 11 specs tracked here, 7 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.

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