SUMASHI: 4 DOE certified models

SUMASHI has 4 air purifier basic models certified to DOE as of 2026-11-03, rated smoke CADR 123 to 193 cfm. 4 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: SUMASHI P339 at 193 cfm.

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

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Air purifiers

4 SUMASHI 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	SUMASHIP339filed as HEAPETS XT-C05	CADR/W 3.3 Sold under 3 brands	193cfm, 299 sq ft	299 sq ft	205	3.3	3	Check price on Amazon
2	SUMASHIMW-PA16filed as Meowant P297WH	CADR/W 3.3 Sold under 2 brands	145cfm, 224 sq ft	224 sq ft	149	3.3	2	Check price on Amazon
3	SUMASHIE200WH	CADR/W 3.8 Sold under 3 brands	124cfm, 193 sq ft	193 sq ft	129	3.8	3	Check price on Amazon
4	SUMASHIE202WH	CADR/W 3.8 Sold under 3 brands	123cfm, 190 sq ft	190 sq ft	125	3.8	3	Check price on Amazon

How efficient are SUMASHI air purifiers?

Of the 4 SUMASHI air purifiers, none files a higher CADR/W than the class median: 4 fall below it.

SUMASHI air purifiers against the median CADR/W of their DOE class. DOE data as of 2026-11-03.
DOE class	SUMASHI models	Above median	Class median	Best SUMASHI
Air purifiers, PM2.5 CADR 100 to 149 cfm (66)	3	0	CADR/W 4.65	E200WH CADR/W 3.8
Air purifiers, PM2.5 CADR 150+ cfm (140)	1	0	CADR/W 5.5	P339 CADR/W 3.3

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

Who makes SUMASHI 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.

2 units are filed under SUMASHI's own model numbers and sold by other brands too, so SUMASHI is the filer of record for them.

SUMASHI shares 4 units with 5 other brands. Brands it shares with, and how many units each:

SUMASHI units filed under one DOE basic model with other brands. DOE data as of 2026-11-03.
Basic model	SUMASHI model	Number belongs to	Brands
E200WH	E200WH	SUMASHI	3
E202WH	E202WH	SUMASHI	3
XT-C05	P339	No known prefix	3
P297WH	MW-PA16	No known prefix	2

How much does a SUMASHI air purifier cost to run?

DOE's annual energy figures for the 4 SUMASHI air purifiers that file one run from 212 to 347 kWh a year: about $38.50 to $63.02 a year. The lowest is SUMASHI E202WH (123 cfm, CADR/W 3.8) and the highest SUMASHI P339 (193 cfm, CADR/W 3.3).

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 SUMASHI

Is SUMASHI a good air purifier brand?: How its 4 air purifiers compare on efficiency with their DOE class is above. 4 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 SUMASHI air purifiers rated for?: DOE's effective room size for its 4 rated models is 190 to 299 sq ft, from a certified smoke CADR 123 to 193 cfm. CADR and room size.
Which SUMASHI air purifier is the most efficient for its size?: SUMASHI E200WH and SUMASHI E202WH tie at CADR/W 3.8: higher than 19 of the 66 in its DOE class (air purifiers, PM2.5 CADR 100 to 149 cfm). At the other end is SUMASHI P339, at CADR/W 3.3, higher than 6 of the 140 in its class.
Is SUMASHI the same as HEAPETS?: For 2 units, yes: both file them under the same DOE basic model (E202WH and XT-C05). The other 2 SUMASHI basic models aren't filed by HEAPETS. Compare the 3 brands of E202WH. Compare the 3 brands of XT-C05.