By your situation
Air Purifiers in a Pet Home: What the Data Can and Cannot Tell You
Short answer
ENERGY STAR's air purifier data cannot show how well a model handles pet hair or pet odor: its CADR numbers are for smoke, dust and pollen particles, and it lists no odor or gas rating. What it does give you for a pet home is room size, CADR, energy use and ozone emissions. Match the model to the room, and treat any pet claim on a box as the manufacturer's, not ours.
Who should pick what
- A pet's room or bedroom of about 360 sq ft Levoit Core 400S air purifier
- 358sq ft
- 231CADR
- 237kWh/yr
- A larger living area of about 580 sq ft Coway Airmega 400 air purifier
- 583sq ft
- 376CADR
- 366kWh/yr
- A mid-size room, with a bundled set of filters Winix C610 air purifier
- 384sq ft
- 248CADR
- 235kWh/yr
Side-by-side comparison
| Criterion | Levoit Core 400S | Winix C610 | Winix T810 | Coway Airmega 400 |
|---|---|---|---|---|
| Recommended room size | 358 sq ft | 384 sq ft | 419 sq ft | 583 sq ft |
| CADR (smoke / dust / pollen) | 231 / 240 / 259 cfm | 248 / 252 / 262 cfm | 270 / 272 / 277 cfm | 376 / 384 / 409 cfm (best in this row) |
| Technology | Fan and Filter | Fan and Filter | Fan and Filter, PlasmaWave | Fan and Filter |
| Filter type | HEPA-Type | HEPA-Type | HEPA | Composite Filter; second filter: Composite Filter |
| Ozone emissions | 0 ppb | 1 ppb | 1.35 ppb | 0 ppb |
| Energy use | 237 kWh/yr | 235 kWh/yr (best in this row) | 259 kWh/yr | 366 kWh/yr |
All figures are from ENERGY STAR's certified room air cleaner data (queried 2026-11-06). Noise level, filter replacement cost and warranty are not in that data, so we leave them out rather than guess. Highlighted = best value in the row: highest CADR, IEF, CEER, run time or suction; lowest yearly energy use or weight. Sources for every figure are listed under “Sources” below.
CADR (smoke), cfm: higher cleans air faster
Recommended room size, sq ft
Yearly energy use, kWh: lower is cheaper to run
How we compared: key criteria
- What CADR does and does not sayENERGY STAR defines CADR as how quickly a unit delivers filtered air. Its three CADR numbers are for smoke, dust and pollen. There is no pet-hair or odor rating in the data, so a high CADR cannot prove a model handles either.
- Room sizeENERGY STAR publishes a recommended room size for each certified model. Pick a model sized to the room: ENERGY STAR notes larger models use more energy, and its CADR chart is only an estimate.
- Ozone emissionsSome purifiers add technologies besides a filter. ENERGY STAR lists the Winix T810 as “Fan and Filter, PlasmaWave” with 1.35 ppb ozone emissions, the Winix C610 at 1 ppb, and the Levoit Core 400S and Coway Airmega 400 at 0 ppb. If you want filter-only operation, look at the technology column.
- Filter typeThe Levoit and Winix C610 list “HEPA-Type”, the T810 “HEPA”, and the Coway “Composite Filter”. ENERGY STAR does not list whether any carbon layer is present, so check the manufacturer's page for an odor filter.
- Where you put itA purifier only treats the room it sits in, so size it to the room where the pet spends time, not the whole house.
Our picks
Pet bedroom: filter-only, smaller room
Levoit Core 400S air purifier
- 358sq ft
- 231CADR
- 237kWh/yr
Why we'd pick it: 358 sq ft recommended room size, CADR 231 / 240 / 259 cfm, HEPA-Type filter, 0 ppb ozone emissions, Wi-Fi and a sensor mode.
Skip it if… your pet room is larger than about 360 sq ft, or you need odor removal — ENERGY STAR lists no odor or carbon-layer data.
View on Amazon — Levoit Core 400S air purifier on Amazon.comLarge living area: filter-only
Coway Airmega 400 air purifier
- 583sq ft
- 376CADR
- 366kWh/yr
Why we'd pick it: 583 sq ft, CADR 376 / 384 / 409 cfm, composite filters, 0 ppb ozone emissions, sensor mode.
Skip it if… the room is small, or you want Wi-Fi: it lists none, and the larger unit uses 366 kWh per year.
View on Amazon — Coway Airmega 400 air purifier on Amazon.comMid-size room: filters bundled
Winix C610 air purifier
- 384sq ft
- 248CADR
- 235kWh/yr
Why we'd pick it: 384 sq ft, CADR 248 / 252 / 262 cfm, HEPA-Type filter, Wi-Fi, 1 ppb ozone emissions.
Skip it if… you want 0 ppb on paper, or you only want the purifier: the Amazon listing is a bundle with two years of filters.
View on Amazon — Winix C610 air purifier on Amazon.comLarger room: PlasmaWave
Winix T810 air purifier
- 419sq ft
- 270CADR
- 259kWh/yr
Why we'd pick it: 419 sq ft, CADR 270 / 272 / 277 cfm, HEPA filter, Wi-Fi.
Skip it if… you want filter-only operation: ENERGY STAR lists PlasmaWave technology and 1.35 ppb ozone emissions for this model.
View on Amazon — Winix T810 air purifier on Amazon.comDownsides and when not to buy
- No source we used rates pet-hair pickup or pet odor removal; the manufacturer pages we did not read may make claims we have not checked.
- ENERGY STAR's CADR is for smoke, dust and pollen, not pet dander or odor.
- Noise and filter cost, which matter to pet households that run the unit all day, are not in the data.
When the pricier option isn't worth it
A PlasmaWave model is not worth choosing for a pet home on this data alone: ENERGY STAR shows only that it emits a small amount of ozone (1.35 ppb), not that it does more for pets.
Who should skip this product type
Skip a purifier as your main pet-odor fix; this data does not support it, and cleaning bedding and removing the source are outside what we measured. We make no allergy or health claim.
Extra costs, installation and compatibility
- Ongoing costs
- Filters are a recurring cost not shown here; a pet home may replace them sooner, but no source we read gives a schedule. The Winix C610 on Amazon is sold with two years of filters.
- Installation and space
- Place it in the room where the pet spends time, with open space around it; ENERGY STAR's data has no dimensions.
- Compatibility
- All four are ENERGY STAR-listed for the US. The Coway Airmega 400 has no Wi-Fi; the others do.
Frequently asked questions
Does a HEPA-Type filter remove pet hair?
The data here does not rate it. ENERGY STAR lists filter labels and CADR for smoke, dust and pollen; it has no pet-hair or odor figure.
Is the Winix T810 safe because it lists ozone emissions?
We make no safety claim. ENERGY STAR lists 1.35 ppb ozone emissions for the T810, 1 ppb for the C610 and 0 for the Levoit and Coway models.
View on Amazon
Levoit
Levoit Core 400S air purifier
- 358sq ft
- 231CADR
- 237kWh/yr
Mid-size smart purifier with an air-quality sensor and Wi-Fi.
Amazon lists this as Model Number Core 400S (Model Name Core 400S-P). ENERGY STAR lists two Levoit rows; the figures here are the row named “Core 400S” (358 sq ft). The other row, LAP-C401S-WUSR, is rated 363 sq ft, so check the model code on the box.
View on Amazon — Levoit Core 400S air purifier on Amazon.comCoway
Coway Airmega 400 air purifier
- 583sq ft
- 376CADR
- 366kWh/yr
Large-room Coway with a sensor-driven automatic mode.
Amazon prints the model number as AP-2015F(G); ENERGY STAR lists AP-2015F. A second Amazon listing for the Airmega 400 (B01C9RIACG, model 111012) exists; we link the AP-2015F one.
View on Amazon — Coway Airmega 400 air purifier on Amazon.comWinix
Winix C610 air purifier
- 384sq ft
- 248CADR
- 235kWh/yr
Mid-size Winix with Wi-Fi and a sensor-driven automatic mode.
This Amazon listing is a bundle: the C610 purifier plus two years of replacement filters. The purifier is included; the filters add to what you pay.
View on Amazon — Winix C610 air purifier on Amazon.comWinix
Winix T810 air purifier
- 419sq ft
- 270CADR
- 259kWh/yr
Larger Winix with PlasmaWave technology and Wi-Fi.
View on Amazon — Winix T810 air purifier on Amazon.comLinks to Amazon.com are plain product links. We may earn a commission in the future if we join affiliate programs; this never decides what we recommend. Prices and availability change, so we don't print them — check the current details on Amazon. See our Affiliate Disclosure.
Research method, sources and review date
Research-based comparison: we compare manufacturer specifications, user manuals and published guidance, and note where a figure is a manufacturer claim. We do not test products in a lab. Figures come from ENERGY STAR's certified room air cleaner data (queried 2026-11-06); sizing guidance comes from ENERGY STAR. Amazon.com was checked only to confirm each model exists and to find its listing, not as a source of specifications. How we compare · Editorial policy
Sources
- ENERGY STAR certified room air cleaners data: Levoit Core 400S (data.energystar.gov, queried 2026-11-06)
- ENERGY STAR certified room air cleaners data: Winix C610 (data.energystar.gov, queried 2026-11-06)
- Winix America: C610 4-stage True HEPA air purifier product page (winixamerica.com, read 2026-11-06)
- ENERGY STAR certified room air cleaners data: Winix T810 (data.energystar.gov, queried 2026-11-06)
- ENERGY STAR certified room air cleaners data: Coway Airmega 400 (AP-2015F) (data.energystar.gov, queried 2026-11-06)
- ENERGY STAR: Air Cleaners (buying guidance, CADR and room-size chart)
Update log
- — Rebuilt (IPK-BUILD-5) around models confirmed to exist on Amazon.com. Figures come from ENERGY STAR certified-product data and, where we could read one, the manufacturer page; where a source does not state a figure we say so. Models not found on Amazon.com were removed from the picks.