SharpKJ400G-L1A-SH Lite
Air purifier
DOE certified smoke CADR
214cfmDOE test
Dust 235 · PM2.5 224 cfm
Effective room size 332 sq ft (DOE)
DOE data as of 2026-11-03DOE record
Does it fit your room? How DOE sizes rooms
Sharp KJ400G-L1A-SH Lite: certified to DOE with smoke CADR 214 cfm, dust 235, PM2.5 224, effective room size 332 sq ft. DOE data as of 2026-11-03.
Every model number on this record
Filed with DOE under basic model KJ400G-
| Model number | Filed by |
|---|---|
| KJ400G- | Sharp |
| SAP3473SAW | Sharp |
How much does the Sharp KJ400G-L1A-SH Lite cost to run?
About $3.10 a month, or $37.23 a year, on DOE's annual energy figure of 205 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 $2.05.
How does the Sharp KJ400G-L1A-SH Lite rank in its DOE class?
In its DOE class (air purifiers, PM2.5 CADR 150+ cfm), 63 models have a matched Amazon listing. 14 of them have a higher CADR/W than its 6.4, which is 28% above their median of 5.
DOE's annual energy figure for it is 205 kWh, against their median of 266 kWh: $11.08 a year less at the US average price.
Air purifiers for 300 sq ft (44 with a listing)Among 140 air purifiers, PM2.5 CADR 150+ cfm
Smoke CADR (cfm)214
Higher than 51 of 140.
143591 cfm
Efficiency (CADR/W)6.4
Higher than 100 of 140. 3 others share 6.4.
313.5
Three to compare with
From models with a matched listing.
Within 20 cfm of its size, highest CADR/W
DREAME CVF20B224 smoke CADRRoom size 347 sq ft, CADR/W 8.8: about 27% less power for the same clean air.
Nearest size in its class with a higher CADR/W
Honeywell HPA4300B229 smoke CADRRoom size 354 sq ft, CADR/W 7.4: about 14% less power for the same clean air.
Nearest bigger unit
Winix C535239 smoke CADRRoom size 370 sq ft, CADR/W 4.1.
DOE record
Air cleaning
- Smoke CADR
- 214 cfm
- Dust CADR
- 235 cfm
- PM2.5 CADR
- 224 cfm
- Effective room size
- 332 sq ft
- Efficiency (IEF)
- 6.4 cfm/W
- Energy use
- 205 kWh/year
Record
- DOE basic model
- KJ400G-
L1A- SH Lite - 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)
- 074000709423
- ENERGY STAR record
- KJ400G-L1A-SH Litecertified 2026-09-01
Questions
- What room size is it for?
- DOE lists an effective room size of 332 sq ft, based on its smoke CADR of 214 cfm: CADR and room size.
- How much does the Sharp KJ400G-L1A-SH Lite cost to run for a year?
- About $37.23: DOE's annual figure of 205 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).