Head to head
Alen BreatheSmart 75i Large Room Air Purifier vs Levoit Core 600S Smart True HEPA
Levoit Core 600S Smart True HEPA leads 3 to 2 on the 5 rankable specs and costs $450 less, which makes it the straightforward pick.
Catalog as of September 1, 2026
Why, in numbers
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Levoit Core 300S Smart True HEPA Air Purifier$149Winix 5500-2 Air Purifier$159Levoit Core 400S$219Coway Airmega AP-1512HH Mighty$229Blueair Blue Pure 311i Max$229Honeywell HPA300 HEPA Air Purifier$249Blueair Blue Pure 211+ Auto$339Coway Airmega 250$399Coway Airmega 400$549Blueair Protect 7470i$649Dyson Purifier Hot+Cool Formaldehyde HP09$799Swap
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Levoit Core 300S Smart True HEPA Air Purifier$149Winix 5500-2 Air Purifier$159Levoit Core 400S$219Coway Airmega AP-1512HH Mighty$229Blueair Blue Pure 311i Max$229Honeywell HPA300 HEPA Air Purifier$249Blueair Blue Pure 211+ Auto$339Coway Airmega 250$399Coway Airmega 400$549Blueair Protect 7470i$649Dyson Purifier Hot+Cool Formaldehyde HP09$799Buying for
Straight answer
Overall: 2 to 3
Buy the Levoit Core 600S Smart True HEPA.
- Leads 3 of 5 rankable overall specs; Alen BreatheSmart 75i Large Room Air Purifier takes 2.
- CADR: 410 CFM vs 350 CFM across Smoke, Dust, Pollen
- Coverage area: 1,588 sq ft vs 1,400 sq ft
- It is also $450 cheaper.
Deal-breakers
tick what would make you walk away
- Trips:Alen BreatheSmart 75i Large Room Air Purifier · 27.0 lbClear:Levoit Core 600S Smart True HEPA · 13.7 lb
At a glance
The handful of numbers that decide most purchases in this category.
CADR
Alen
350 CFM across Smoke, Dust, Pollen
Levoit
410 CFM (Smoke), 400 CFM (Dust), 420 CFM (Pollen)
Coverage area
Alen
1,400 sq ft (2 air changes/hr) / 700 sq ft (4 air changes/hr)
Levoit
1,588 sq ft (2 air changes/hr) / 635 sq ft (5 air changes/hr)
True 3-Year Cost of Ownership (TCO)
Alen BreatheSmart 75i Large Room Air Purifier
Levoit Core 600S Smart True HEPA
The 90-Day Owner Regret Check
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Alen: What to watch for
- Maintenance
Requires periodic filter replacements to maintain airflow and odor capture.
Levoit: What to watch for
- Maintenance
Requires periodic filter replacements to maintain airflow and odor capture.
Performance
leads 2-0| CADR | 350 CFM across Smoke, Dust, Pollen | 410 CFM (Smoke), 400 CFM (Dust), 420 CFM (Pollen) (wins this row: higher) |
|---|---|---|
| Room size | Large master suites, open living rooms, offices | Extra-large spaces, open-concept homes, basements |
| Coverage area | 1,400 sq ft (2 air changes/hr) / 700 sq ft (4 air changes/hr) | 1,588 sq ft (2 air changes/hr) / 635 sq ft (5 air changes/hr) (wins this row: higher) |
Filters
leads 1-0| Filter types | Medical-grade H13 True HEPA + Antimicrobial layer + Heavy Odor Carbon | 3-Stage True HEPA (Pre-filter + H13 True HEPA + High-efficiency Custom Carbon) |
|---|---|---|
| Filter life | 12–15 months extra long filter life (wins this row: higher) | 6–12 months depending on air quality |
Usability & Smart
leads 1-0| Noise levels | 25 dB (WhisperMax) – 49 dB (Turbo speed) (wins this row: lower) | 26 dB (QuietKeap Sleep mode) – 55 dB (High) |
|---|---|---|
| Energy consumption | 45 W (Energy Star certified) | 49 W max (Energy Star verified) |
| Smart features | Alen Air App (Wi-Fi), auto modes, color ring status | VeSync App, Alexa & Google Assistant voice integration, custom schedules |
| Air quality sensors | Laser air quality sensor detecting fine particle levels with 5 color rings | AirSight Plus laser dust sensor (PM2.5 real-time numerical display) |
Design & Ownership
leads 1-0| Weight | 27.0 lb (12.2 kg) | 13.7 lb (6.2 kg) (wins this row: lower) |
|---|---|---|
| Warranty | Lifetime warranty (with active filter subscription) | 2 years |
Which one should you buy
Pick this one if
Alen BreatheSmart 75i Large Room Air Purifier
Commercial-grade quiet purifier cleaning up to 1,400 sq ft every 30 minutes with a lifetime warranty.
- Industry-exclusive transferable Lifetime Warranty
- Tuned pink noise frequencies promote deeper sleep on WhisperMax mode
- Medical-grade H13 True HEPA filter lasts up to 15 months
What you give up
- High initial investment
- Tall tower profile
Pick this one if
Levoit Core 600S Smart True HEPA
High-efficiency smart vortex air purifier with VortexAir 3.0 technology cleaning up to 1,588 sq ft in 30 mins.
- Exceptional CADR performance at an unbeatable sub-$300 price
- Ultra-quiet 26 dB Sleep mode with display light shutoff
- Feature-rich VeSync mobile app with voice assistant control
What you give up
- Activated carbon filter layer is thinner for heavy smoke odors
- Large cylindrical form factor requires space
Best for each use
Bedrooms
Tied on bedrooms. Levoit Core 600S Smart True HEPA is cheaper.
Big rooms & allergies
For big rooms & allergies, buy the Levoit Core 600S Smart True HEPA.
Low running cost
Too close to call on low running cost from the spec sheets. Only filter life is rankable here.
Done deciding?
Open the full standalone spec sheet for either device.
Manufacturer pages: Alen BreatheSmart 75i Large Room Air Purifier ↗ · Levoit Core 600S Smart True HEPA ↗
Common questions
Which is cheaper, the Alen BreatheSmart 75i Large Room Air Purifier or the Levoit Core 600S Smart True HEPA?
Levoit Core 600S Smart True HEPA costs $450 less at list price.
What is the biggest catch with the Alen BreatheSmart 75i Large Room Air Purifier or Levoit Core 600S Smart True HEPA?
Alen BreatheSmart 75i Large Room Air Purifier has this deal-breaker: over 25 lb (11 kg). Hard to move between rooms.
Which is better for bedrooms, the Alen BreatheSmart 75i Large Room Air Purifier or the Levoit Core 600S Smart True HEPA?
Tied on bedrooms. Levoit Core 600S Smart True HEPA is cheaper. The 2 rankable bedrooms specs split 1 to 1. Saves $450 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.