Sharp: 11 DOE certified models

Sharp has 11 air purifier basic models certified to DOE as of 2026-11-03, rated smoke CADR 92 to 366 cfm. 3 are the same unit as models filed under other brands. How their efficiency compares with their DOE class is below.

Highest certified smoke CADR among its air purifiers: Sharp KJ600F-LM1-SH at 366 cfm.

Source: DOE Compliance Certification Database (air purifiers), data as of 2026-11-03.

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Air purifiers

10 of 11 Sharp air purifiers, listed models first. DOE data as of 2026-11-03.
#	Model	Labels	Smoke CADR, cfm	Room size	PM2.5 CADR	CADR/W	Brands	Amazon
1	SharpKCP110UW	CADR/W 3.9	347cfm, 538 sq ft	538 sq ft	349	3.9	1	Check price on Amazon
2	SharpKCP70UW	CADR/W 6.7	255cfm, 396 sq ft	396 sq ft	257	6.7	1	Check price on Amazon
3	SharpKC-850U	CADR/W 3.7	169cfm, 262 sq ft	262 sq ft	173	3.7	1	Check price on Amazon
4	SharpFPK50UW	CADR/W 4.1	167cfm, 259 sq ft	259 sq ft	169	4.1	1	Check price on Amazon
5	SharpFPH30UH	CADR/W 2.1	92cfm, 143 sq ft	143 sq ft	96	2.1	1	Check price on Amazon
6	SharpKJ600F-LM1-SHfiled as Midea KJ600G-RX600A	CADR/W 6.4 Sold under 3 brands	366cfm, 567 sq ft	567 sq ft	373	6.4	3
7	SharpFXJ80UW	CADR/W 4.9	315cfm, 488 sq ft	488 sq ft	315	4.9	1
8	Sharp143-0033-2filed as GREENLITE KJ500G-L1	CADR/W 6 Sold under 11 brands	305cfm, 473 sq ft	473 sq ft	309	6	11
9	SharpFP-A80U	CADR/W 3.1	293cfm, 454 sq ft	454 sq ft	293	3.1	1
10	SharpKJ400G-L1A-SH Lite	CADR/W 6.4	214cfm, 332 sq ft	332 sq ft	224	6.4	1

1 more certified, no listing matched

The other 1 Sharp air purifiers, by certified smoke CADR.
#	Photo	Model	Labels	Smoke CADR, cfm	Room size	PM2.5 CADR	CADR/W	Brands
1		SharpKJ600F-LM1S-SHfiled as Midea KJ600F-LM1S-SH	CADR/W 4.3 Sold under 2 brands	163cfm, 253 sq ft	253 sq ft	167	4.3	2

How efficient are Sharp air purifiers?

Of the 11 Sharp air purifiers, 4 file a higher CADR/W than the class median and 7 fall below it.

Sharp air purifiers against the median CADR/W of their DOE class. DOE data as of 2026-11-03.
DOE class	Sharp models	Above median	Class median	Best Sharp
Air purifiers, PM2.5 CADR 150+ cfm (140)	10	4	CADR/W 5.5	KCP70UW CADR/W 6.7
Air purifiers, PM2.5 CADR 10 to 99 cfm (90)	1	0	CADR/W 3.5	FPH30UH CADR/W 2.1

A higher CADR/W means more clean air per watt.

Who makes Sharp air purifiers?

DOE's database has no manufacturer field, so the evidence is whose model number each unit is filed under and which other brands file the same unit.

Sharp shares 3 units with 10 other brands. Its other 8 basic models are filed by Sharp alone. Brands it shares with, and how many units each:

Sharp units filed under one DOE basic model with other brands. DOE data as of 2026-11-03.
Basic model	Sharp model	Number belongs to	Brands
KJ500G-L1	143-0033-2	No known prefix	11
KJ600G-RX600A	KJ600F-LM1-SH	No known prefix	3
KJ600F-LM1S-SH	KJ600F-LM1S-SH	No known prefix	2

How much does a Sharp air purifier cost to run?

DOE's annual energy figures for the 11 Sharp air purifiers that file one run from 205 to 558 kWh a year: about $37.23 to $101.33 a year. The lowest is Sharp KJ400G-L1A-SH Lite (214 cfm, CADR/W 6.4) and the highest Sharp FP-A80U (293 cfm, CADR/W 3.1).

At 18.16¢ per kWh, the US average residential price for August 2026 (EIA Electric Power Monthly, table 5.6.A). Worked out from the certified figures.

Questions about Sharp

Is Sharp a good air purifier brand?: How its 11 air purifiers compare on efficiency with their DOE class is above. 3 of them are the same unit as another brand's model. We don't test reliability, noise or build quality, so we can't rank brands on those. How we compare models.
What room size are Sharp air purifiers rated for?: DOE's effective room size for its 11 rated models is 143 to 567 sq ft, from a certified smoke CADR 92 to 366 cfm. CADR and room size.
Which Sharp air purifier is the most efficient for its size?: Sharp KCP70UW, at CADR/W 6.7: higher than 108 of the 140 in its DOE class (air purifiers, PM2.5 CADR 150+ cfm). At the other end is Sharp FP-A80U, at CADR/W 3.1, higher than 2 of the 140 in its class.
Is Sharp the same as Midea?: For 3 units, yes: both file them under the same DOE basic model (KJ500G-L1, KJ600F-LM1S-SH and KJ600G-RX600A). The other 8 Sharp basic models aren't filed by Midea. Compare the 11 brands of KJ500G-L1. Compare the 2 brands of KJ600F-LM1S-SH. Compare the 3 brands of KJ600G-RX600A.