SharpFPK50UW

Air purifier · DOE basic model FP-K50U-W

DOE certified smoke CADR

167cfmDOE test

Dust 171 · PM2.5 169 cfm

Effective room size 259 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Sharp FPK50UW: certified to DOE with smoke CADR 167 cfm, dust 171, PM2.5 169, effective room size 259 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model FP-K50U-W. A listing with any of these numbers is this unit.

Every model number filed under basic model FP-K50U-W, DOE data as of 2026-11-03
Model numberFiled by
FP-K50U-W (DOE basic model)Sharp
FP-K50-*Sharp
FPK50UWSharp

How much does the Sharp FPK50UW cost to run?

About $3.63 a month, or $43.58 a year, on DOE's annual energy figure of 240 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 $2.40.

How does the Sharp FPK50UW rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 150+ cfm), 63 models have a matched Amazon listing. Its CADR/W of 4.1 is tied for 46th of the 63, and 18% below their median of 5.

DOE's annual energy figure for it is 240 kWh, against their median of 266 kWh: $4.72 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)167

Higher than 28 of 140. 1 other shares 167.

143591 cfm

Efficiency (CADR/W)4.1

Higher than 27 of 140. 3 others share 4.1.

313.5

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 52% less power for the same clean air.

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

    oneisall PP04162 smoke CADR

    Room size 251 sq ft, CADR/W 4.2.

  • Nearest bigger unit

    Oransi AMD-150HB189 smoke CADR

    Room size 293 sq ft, CADR/W 4.4.

DOE record

Air cleaning

Smoke CADR
167 cfm
Dust CADR
171 cfm
PM2.5 CADR
169 cfm
Effective room size
259 sq ft
Efficiency (IEF)
4.1 cfm/W
Energy use
240 kWh/year

Record

DOE basic model
FP-K50U-W
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 259 sq ft, based on its smoke CADR of 167 cfm: CADR and room size.
How much does the Sharp FPK50UW cost to run for a year?
About $43.58: DOE's annual figure of 240 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).