Air Purifiers · Head-to-head
Austin Air HealthMate HM400 (B400) vs Levoit Core 300-P
Best Living-Area Unit for Multiple Smelly Pets
Austin Air HealthMate HM400 (B400)
4.3/10
$845.00 at Amazon
Check price at Amazon
The short answer
Levoit Core 300-P comes out ahead overall with 7.1/10 against 4.3/10 for the Austin Air HealthMate HM400 (B400). Austin Air HealthMate HM400 (B400) is stronger on indoor-air safety & materials. Levoit Core 300-P is stronger on noise at sleep-usable speeds, sleep-friendly features, running cost & ownership and value. At current verified prices, the Levoit Core 300-P costs about $760.01 less.
- Choose the Austin Air HealthMate HM400 (B400) if: Homes with heavy, persistent pet odor that need a living-area unit. It is not a bedroom purifier: it is 42.5 dBA even at its lowest speed and has no sleep mode.
- Choose the Levoit Core 300-P if: One-pet households on a tight budget with a bedroom up to about 219 sq ft. It is not for odor problems or large rooms.
Scores by criterion
| Criterion | Austin Air HealthMate HM400 (B400) | Levoit Core 300-P |
|---|---|---|
| Noise at sleep-usable speeds | 3.077 cfm PM1 under 45 dBA and a 42.5 dBA minimum (HouseFresh). | 7.0HouseFresh: 37.1 dB in sleep mode; speed 2 is 40.5–45.7 dB. |
| Cleaning performance for bedroom size | 5.5Weak particle CADR, but unmatched odor capacity. | 5.5143 cfm rated; about 109 cfm PM1 at top speed (HouseFresh). |
| Sleep-friendly features | 2.0No sleep mode, sensor or app. | 7.3Sleep mode, display off, timer; no sensor. |
| Indoor-air safety & materials | 8.0Steel housing, no ionizer, CSA approved. | 7.0Ozone-free and CARB; named in the labelling settlement. |
| Running cost & ownership | 6.0A $315 filter every up to 5 years, but power draw is high. | 8.2Cheap, common filters. |
| Value | 4.0$845 pays off only for heavy odor. | 8.8$89.99. |
Specifications
| Spec | Austin Air HealthMate HM400 (B400) | Levoit Core 300-P |
|---|---|---|
| Exact model / SKU | HM400 / B400 | Core300-P |
| Workflow type | Freestanding 360° steel-housed purifier: pre-filters + heavy carbon/zeolite + HEPA | Cylindrical 360° room purifier: pre-filter + HEPA-type + carbon, manual controls |
| Lowest-speed noise (manufacturer) | — | 24 dB |
| Independent PM1 CADR at maximum | 160 CFM | — |
| Top-speed noise (manufacturer) | — | 54.5 dB |
| Independent PM1 CADR at low-noise setting | 77 CFM | — |
| Lowest-speed noise (independent measurement) | 42.5 dBA | 37.1 dBA |
| Quiet-test threshold | HouseFresh: fastest speed under 45 dBA at 3 ft | — |
| CADR (smoke where given, else headline) | — | 143 cfm |
| Measured noise range | 42.5–61.5 (HouseFresh) | — |
| Recommended room size (4.8–5 ACH / AHAM) | 169 sq ft | 222 sq ft |
| Max power draw | 147.6 W | 56 W |
| Ionization/electronic stage present | No | No |
| Sleep / night mode | No | Yes |
| App control | No | No |
| Ionizer / electrostatic stage | — | None (listed ozone-free) |
| Particle-filter construction/certification | HEPA, 99.97% at 0.3 µm (Austin Air) | — |
| Filter type | Single cartridge: pre-filters + activated carbon/zeolite + HEPA | 3-stage: pre-filter + HEPA-type + activated carbon |
| Carbon-media format | Loose granular activated carbon + zeolite, ~15 lb | — |
| Main filter life | 60 months | — |
| OEM replacement-filter price | 315 USD | 29.99 USD |
| Stated filter interval | 60 months | — |
| Manufacturer direct/list price | 845 USD | — |
| Pet-hair pre-filter / intake design | — | Fabric pre-filter on cylinder |
| Activated carbon amount (where disclosed) | ~15 lb carbon + zeolite (HouseFresh; Austin Air FAQ) | — |
Austin Air HealthMate HM400 (B400)
Pros
- About 15 lb of carbon and zeolite
- Filter rated for up to 5 years
- All-steel construction
- No ionizer
Cons
- Loud at its lowest speed
- Low particle CADR for the price
- High power draw
- Very expensive, with no sleep mode or app
A niche choice for persistent, heavy odor in a living area. For most homes, a cheaper machine with an upgraded carbon filter is the more practical route.
Full Austin Air HealthMate HM400 (B400) review →Levoit Core 300-P
Pros
- Budget price
- 37.1 dB in sleep mode
- No ionizer
- Compact
- Low running cost
Cons
- Low airflow
- Needs higher speeds to clean a 200 sq ft room
- No app
- Named in the Vesync filter settlement
Good value for a small room, as long as you accept running it above sleep mode.
Full Levoit Core 300-P review →Both products are part of our guide The Best Air Purifiers for Pet Dander and Odor of 2026, where you can see every pick, how we score and current prices from each retailer.