MeowantP297WH

Air purifier · sold under 2 brands

DOE certified smoke CADR

145cfmDOE test

Dust 153 · PM2.5 149 cfm

Effective room size 224 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Meowant P297WH: certified to DOE with smoke CADR 145 cfm, dust 153, PM2.5 149, effective room size 224 sq ft. The same unit is also filed as SUMASHI MW-PA16. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model P297WH. A listing with any of these numbers is this unit.

Every model number filed under basic model P297WH, DOE data as of 2026-11-03
Model numberFiled by
P297WH (DOE basic model)Meowant, SUMASHI
MW-PA16Meowant, SUMASHI
P297Meowant, SUMASHI
P297HMeowant, SUMASHI
P297WMeowant, SUMASHI

Same unit, 2 brands

Every brand files MW-PA16, P297, P297H, P297W, P297WH.

145 cfm under every name. Choose on price, warranty and what's in stock.

Both filed under DOE basic model P297WH. Listing status as of 2026-11-03.

Compare the 2 brands on one page

How much does the Meowant P297WH cost to run?

About $4.69 a month, or $56.30 a year, on DOE's annual energy figure of 310 kWh.

Electricity at 18.16¢/kWh, the US residential average for August 2026 (EIA Electric Power Monthly, table 5.6.A). Each 1¢/kWh you pay above or below 18.16¢ moves the yearly figure by $3.10.

How does the Meowant P297WH rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 100 to 149 cfm), 28 models have a matched Amazon listing. Its CADR/W of 3.3 is tied for 23rd of the 28, and 32% below their median of 4.85.

DOE's annual energy figure for it is 310 kWh, against their median of 168 kWh: $25.79 a year more at the US average price.

Air purifiers for 200 sq ft (80 with a listing)

Among 66 air purifiers, PM2.5 CADR 100 to 149 cfm

Smoke CADR (cfm)145

At the class maximum, with 1 other.

93145 cfm

Efficiency (CADR/W)3.3

Higher than 12 of 66. 3 others share 3.3.

2.49.1

Three to compare with

From models with a matched listing.

  • Within 20 cfm of its size, highest CADR/W

    Blueair 4512311000161 smoke CADR

    Room size 250 sq ft, CADR/W 8.6: about 62% less power for the same clean air.

  • Nearest size in its class with a higher CADR/W

    LEVOIT LAP-P201S-WUS143 smoke CADR

    Room size 222 sq ft, CADR/W 3.8: about 13% less power for the same clean air.

  • Nearest bigger unit

    Sharp FPK50UW167 smoke CADR

    Room size 259 sq ft, CADR/W 4.1.

DOE record

Air cleaning

Smoke CADR
145 cfm
Dust CADR
153 cfm
PM2.5 CADR
149 cfm
Effective room size
224 sq ft
Efficiency (IEF)
3.3 cfm/W
Energy use
310 kWh/year

Record

DOE basic model
P297WH
DOE class
100 <= PM2.5 Clean Air Delivery Rate < 150
Brands on the filings
2
In DOE's list since
2026-11-02first snapshot we hold

Questions

What room size is it for?
DOE lists an effective room size of 224 sq ft, based on its smoke CADR of 145 cfm: CADR and room size.
How much does the Meowant P297WH cost to run for a year?
About $56.30: DOE's annual figure of 310 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).
Who makes the Meowant P297WH?
DOE's database has no manufacturer field, so the record doesn't say. It does show 2 brands filing one basic model, P297WH: Meowant and SUMASHI.
Is the Meowant P297WH the same as the SUMASHI MW-PA16?
Yes, by DOE's records. SUMASHI files MW-PA16, P297 and P297H under the same basic model, P297WH, with the same 145 cfm.