AmiapawWP-Z2

Air purifier

DOE certified smoke CADR

183cfmDOE test

Dust 185 · PM2.5 184 cfm

Effective room size 284 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Amiapaw WP-Z2: certified to DOE with smoke CADR 183 cfm, dust 185, PM2.5 184, effective room size 284 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model WP-Z2. A listing with any of these numbers is this unit.

Every model number filed under basic model WP-Z2, DOE data as of 2026-11-03
Model numberFiled by
WP-Z2 (DOE basic model)Amiapaw
WP-Z3Amiapaw
WP-Z4Amiapaw
WP-Z5Amiapaw
WP-Z6Amiapaw
WP-Z7Amiapaw
WP-Z8Amiapaw
WP-Z9Amiapaw

How much does the Amiapaw WP-Z2 cost to run?

About $2.42 a month, or $29.06 a year, on DOE's annual energy figure of 160 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 $1.60.

How does the Amiapaw WP-Z2 rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 150+ cfm), 63 models have a matched Amazon listing. 11 of them have a higher CADR/W than its 6.7, which is 34% above their median of 5.

DOE's annual energy figure for it is 160 kWh, against their median of 266 kWh: $19.25 a year less at the US average price.

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

Among 140 air purifiers, PM2.5 CADR 150+ cfm

Smoke CADR (cfm)183

Higher than 34 of 140. 1 other shares 183.

143591 cfm

Efficiency (CADR/W)6.7

Higher than 108 of 140. 4 others share 6.7.

313.5

Three to compare with

From models with a matched listing.

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

    DREAME CVF16A186 smoke CADR

    Room size 288 sq ft, CADR/W 5.3.

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

    Blueair 4512311000161 smoke CADR

    Room size 250 sq ft, CADR/W 8.6: about 22% less power for the same clean air.

  • Nearest bigger unit

    Oransi AMD-200HB208 smoke CADR

    Room size 322 sq ft, CADR/W 3.7.

DOE record

Air cleaning

Smoke CADR
183 cfm
Dust CADR
185 cfm
PM2.5 CADR
184 cfm
Effective room size
284 sq ft
Efficiency (IEF)
6.7 cfm/W
Energy use
160 kWh/year

Record

DOE basic model
WP-Z2
DOE class
150 <= PM2.5 Clean Air Delivery Rate
Brands on the filings
1
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 284 sq ft, based on its smoke CADR of 183 cfm: CADR and room size.
How much does the Amiapaw WP-Z2 cost to run for a year?
About $29.06: DOE's annual figure of 160 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).