Compare Air Purifiers
Austin Air HealthMate (HM400) scores higher on safety - here's why.
R3 scored the Austin Air HealthMate (HM400) 7.7/10 and the LEVOIT Core 600S-P Smart True HEPA Air Purifier 6.7/10 on the same air purifiers scoring system, weighing safety, efficacy, and usability. The Austin Air HealthMate (HM400) comes out ahead, led by its safety score (9.1/10 vs 7.2/10).
The most important dimensions, side by side.
See which one actually scores higher β and why
Free account unlocks full safety scores, spec-by-spec breakdown, and the R3 verdict on Austin Air HealthMate (HM400) vs LEVOIT Core 600S-P Smart True HEPA Air Purifier.
Unlock the full Austin Air HealthMate (HM400) vs LEVOIT Core 600S-P Smart True HEPA Air Purifier breakdown
Free account unlocks all safety scores, complete spec comparison, scoring rationale, and the R3 verdict on which one to buy.
Everything you need to make the call - who each one is for, and who should skip it.
Go for it if you...
You have chemical sensitivities, MCS, or are recovering from a renovation, new construction, or VOC exposure event
Wildfire smoke or heavy outdoor pollution is a persistent concern and you want the deepest chemical absorption available
You want a set-and-forget machine β the 5-year filter life means minimal maintenance
You're furnishing a baby's room or play area and want the safest possible filtration technology
Long-term filter economics matter β $350/year is among the lowest annual costs in the premium category
You want AHAM independently verified CADR at a mid-range price β 391 CFM tested, not self-reported
Bedroom placement is a priority β 26 dBA sleep mode is genuinely quiet
Smart app control (VeSync, auto-mode with air quality sensor) matters to you
You're comfortable with CARB certification and pelletized carbon as sufficient safety signals
The main thing to know
The 1,500 sq ft coverage claim is based on 2 air changes per hour β real-world particle-clearing coverage at AHAM's 5 ACH standard is closer to 300β400 sq ft. Buy it for a room, not a home.
Levoit doesn't disclose carbon weight or housing plastic type for any Core series β buyers can't independently verify two of the unit's key safety claims.
Skip this if you...
You need to cover a medium or large room (above 400 sq ft) with meaningful air changes β 156 CFM won't do it
You're expecting whole-home or open-plan coverage β this is a single-room machine
You're on a tight upfront budget β at $845, the purchase price is high even if the running costs are low
Carbon filter quantity is a deal-breaker β Levoit doesn't publish carbon weight for any Core series model
You want the smallest room-to-CADR mismatch β the 0.645 ratio is slightly below AHAM's 2/3 minimum for the stated 606 sq ft
You need explicit H13 grade certification β True HEPA without H13 means the grade isn't independently certified at that standard
Housing material transparency matters β Levoit does not disclose plastic type or BPA-free status
Neither of these quite what you're looking for?
I've reviewed all Air Purifiers options at every price pointEvery Air Purifiers in our database is scored using R3's deterministic scoring system - the same inputs always produce the same score. For this comparison, we evaluated Austin Air and LEVOIT across 3 independent criteria: Safety (75%), Efficacy (23%), Usability (2%). No sponsored rankings. No paid placements.
Straight answers - no sponsored content, no filler.
I'd start with Austin Air Austin Air HealthMate (HM400) - it scored 7.7/10 overall in our scoring system. Safety is our top-weighted scoring pillar, followed by efficacy, and usability. Check which pillar matters most to your family and compare those specific scores.
R3 uses a deterministic scoring system - the same inputs always produce the same score. We evaluate each Air Purifiers across Safety, Efficacy, Usability using independently verified data. No sponsored rankings. No paid placements. Every score is fully reproducible.
Not necessarily. The overall score reflects how we weight those three pillars, but your priorities may differ. If you care most about safety, compare the safety scores directly. If budget drives your decision, the prices tell a clearer story. The "right" pick is the one that matches what matters most to your family.
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