LEVOITLAP-C311S-WUSR

Air purifier

DOE certified smoke CADR

175cfmDOE test

Dust 175 · PM2.5 176 cfm

Effective room size 271 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

LEVOIT LAP-C311S-WUSR: certified to DOE with smoke CADR 175 cfm, dust 175, PM2.5 176, effective room size 271 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model LAP-C311S-WUSR. A listing with any of these numbers is this unit.

Every model number filed under basic model LAP-C311S-WUSR, DOE data as of 2026-11-03
Model numberFiled by
LAP-C311S-WUSR (DOE basic model)LEVOIT
LAP- C311S-WCARLEVOIT
LAP- C311S-XXXXX(where "X" may be blankLEVOIT
number from 0 to 9 or letter from A to Z)LEVOIT

How much does the LEVOIT LAP-C311S-WUSR cost to run?

About $2.00 a month, or $23.97 a year, on DOE's annual energy figure of 132 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 $1.32.

How does the LEVOIT LAP-C311S-WUSR rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 150+ cfm), 63 models have a matched Amazon listing. 6 of them have a higher CADR/W than its 7.7, which is 54% above their median of 5.

DOE's annual energy figure for it is 132 kWh, against their median of 266 kWh: $24.33 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)175

Higher than 32 of 140.

143591 cfm

Efficiency (CADR/W)7.7

Higher than 125 of 140. 1 other shares 7.7.

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 10% less power for the same clean air.

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

    DREAME CVF20B224 smoke CADR

    Room size 347 sq ft, CADR/W 8.8: about 13% less power for the same clean air.

  • Nearest bigger unit

    Honeywell HFD320201 smoke CADR

    Room size 311 sq ft, CADR/W 5.

DOE record

Air cleaning

Smoke CADR
175 cfm
Dust CADR
175 cfm
PM2.5 CADR
176 cfm
Effective room size
271 sq ft
Efficiency (IEF)
7.7 cfm/W
Energy use
132 kWh/year

Record

DOE basic model
LAP-C311S-WUSR
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
UPC (ENERGY STAR record)
810123678860, 810191330417
ENERGY STAR record
LAP-C311S-WUSRcertified 2026-06-09

Questions

What room size is it for?
DOE lists an effective room size of 271 sq ft, based on its smoke CADR of 175 cfm: CADR and room size.
How much does the LEVOIT LAP-C311S-WUSR cost to run for a year?
About $23.97: DOE's annual figure of 132 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).