AOBOSI: 2 DOE certified models

AOBOSI has 2 portable AC basic models certified to DOE as of 2026-11-03, rated 5,100 to 6,000 BTU/h SACC. 2 are the same unit as models filed under other brands. How their efficiency compares with their DOE class is below.

Highest certified cooling capacity among its portable ACs: AOBOSI A019E-06KR at 6,000 BTU/h SACC.

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

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Portable air conditioners

2 AOBOSI portable ACs, listed models first. DOE data as of 2026-11-03.
#	Photo	Model	Labels	SACC, BTU/h	Covers	CEER	Hose	Heat	Brands	Amazon
1		AOBOSIA019E-05KR	CEER 6.5 Single hose Sold under 12 brands	5,100SACC, up to 150 sq ft	150 sq ft	6.5	Single hose	No	12	Check price on Amazon
2		AOBOSIA019E-06KRfiled as ACHIMCO PAC-A019K-06KR	CEER 6.6 Single hose Sold under 8 brands	6,000SACC, up to 250 sq ft	250 sq ft	6.6	Single hose	No	8

How efficient are AOBOSI portable ACs?

Of the 2 AOBOSI portable ACs, none files a higher CEER than the class median: 2 fall below it.

AOBOSI portable ACs against the median CEER (Btu/Wh) of their class. DOE data as of 2026-11-03.
Class	AOBOSI models	Above median	Class median	Best AOBOSI
Single hose portable ACs (1,044)	2	0	CEER 7.3	A019E-06KR CEER 6.6

A higher CEER means more cooling per watt.

Who makes AOBOSI portable ACs?

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.

AOBOSI shares 2 units with 13 other brands. Brands it shares with, and how many units each:

AOBOSI units filed under one DOE basic model with other brands. DOE data as of 2026-11-03.
Basic model	AOBOSI model	Number belongs to	Brands
JHS-A019K-05KR-D3	A019E-05KR	No known prefix	12
PAC-A019K-06KR	A019E-06KR	No known prefix	8

How much does an AOBOSI portable AC cost to run?

While cooling, AOBOSI portable ACs draw about 785 to 909 W (certified SACC divided by CEER). That's 14¢ to 17¢ an hour, or $34.20 to $39.62 for 30 days at 8 hours a day. The lowest is AOBOSI A019E-05KR (5,100 BTU/h SACC, CEER 6.5) and the highest AOBOSI A019E-06KR (6,000 BTU/h SACC, CEER 6.6).

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.

How does AOBOSI A019E-06KR compare with other brands?

Picked by rule from models with a matched listing, DOE data as of 2026-11-03.

Within 1,000 BTU/h of its size, highest CEER: Antarctic Star AC7290-10K, 5,500 BTU/h SACC. Up to 150 sq ft, single hose, CEER 7.9: about 16% less power for the same cooling.
Nearest size in its class with a higher CEER: BLACK+DECKER BPP06WTB, 6,000 BTU/h SACC. Up to 250 sq ft, single hose, CEER 7.3: about 10% less power for the same cooling.
Nearest bigger unit: Hisense AP0722CW1W, 7,100 BTU/h SACC. Up to 300 sq ft, single hose, CEER 7.2.

Questions about AOBOSI

Is AOBOSI a good portable AC brand?: How its 2 portable ACs compare on efficiency with their DOE class is above. 2 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.
How big a room will a AOBOSI portable AC cool?: Its models certify 5,100 to 6,000 BTU/h SACC, which ENERGY STAR's sizing chart puts at 150 to 250 sq ft. Every one was tested single hose. SACC and the BTU figure on the box.
Which AOBOSI portable AC is the most efficient for its size?: AOBOSI A019E-06KR, at CEER 6.6: higher than 139 of the 1,044 single hose portable ACs certified to DOE. At the other end is AOBOSI A019E-05KR, at CEER 6.5, higher than 108 of the 1,044 in its class.
Is AOBOSI the same as Coolblus?: For 2 units, yes: both file them under the same DOE basic model (JHS-A019K-05KR-D3 and PAC-A019K-06KR). Compare the 12 brands of JHS-A019K-05KR-D3. Compare the 8 brands of PAC-A019K-06KR.