Window ACs for 350 sq ft by certified BTU

350 sq ft needs 8,000 BTU/h on ENERGY STAR's sizing chart. Ranked by DOE certified BTU/h. DOE data as of 2026-11-03 · DOE source

Your room

332certified window ACs
261reach 8,000 BTU/h
6with a matched listing

Start with these three

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From the 6 listed models that fit. No one pays for a pick.

Smallest that fits, highest CEER

Keystone KSTAW08INV-HC
8,000 BTU/h

Up to 350 sq ft. Window, heat pump, CEER 14.5.
Check price on Amazon
Highest CEER that fits

TCL KC-29/YXRDBp(E1/6)(080719)
10,000 BTU/h

Up to 450 sq ft. Window, CEER 16.
Check price on Amazon
With a heat pump, highest CEER

KISSAIR NCG-08HI/X1E-W
8,100 BTU/h

Up to 350 sq ft. Window, heat pump, CEER 15.1.
Check price on Amazon

Key findings

Of 261 window ACs whose DOE certified capacity covers 350 sq ft, the highest efficiency (CEER) is LG LW8001CSY at 17.6 Btu/Wh (DOE data as of 2026-11-03). The median is 16 Btu/Wh.
6 of the 261 window ACs whose DOE certified capacity covers 350 sq ft are matched to an Amazon listing as of 2026-11-03.
11 of the 261 window ACs whose DOE certified capacity covers 350 sq ft are filed under two or more brand names: the same unit sold as different brands.

All 6 listed models that fit

6 window ACs whose DOE certified capacity covers 350 sq ft, matched to an Amazon listing, closest fit first. DOE data as of 2026-11-03. Download every model (CSV, JSON)
#	Model	Labels	Cooling, BTU/h	Covers	CEER	Watts	Type	Heat pump	Brands	Amazon
1	KeystoneKSTAW08INV-HC	CEER 14.5 Window Heat pump	8,000BTU/h, up to 350 sq ft	350 sq ft	14.5	700	Window	Yes	1	Check price on Amazon
2	MideaMAW08HV1CWT	CEER 14.5 Window Heat pump	8,000BTU/h, up to 350 sq ft	350 sq ft	14.5	700	Window	Yes	1	Check price on Amazon
3	KISSAIRNCG-08HI/X1E-W	CEER 15.1 Window Heat pump Sold under 8 brands	8,100BTU/h, up to 350 sq ft	350 sq ft	15.1	610	Window	Yes	8	Check price on Amazon
4	TCLKC-29/YXRDBp(E1/6)(080719)	CEER 16 Window Sold under 2 brands	10,000BTU/h, up to 450 sq ft	450 sq ft	16	880	Window	No	2	Check price on Amazon
5	TCLT12WV4S	CEER 16 Window	12,000BTU/h, up to 550 sq ft	550 sq ft	16	1,120	Window	No	1	Check price on Amazon
6	TCLT14WV9S	CEER 16 Window	14,000BTU/h, up to 700 sq ft	700 sq ft	16	1,270	Window	No	1	Check price on Amazon

Certified, no Amazon listing matched

Top 100 of 255 window ACs whose DOE certified capacity covers 350 sq ft, with no matched listing, as of 2026-11-03.
#	Model	Labels	Cooling, BTU/h	Covers	CEER	Watts	Type	Heat pump	Brands
1	LGLW8001CSY	CEER 17.6 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	17.6	640	Window	No	1
2	BLACK+DECKERBDM08C	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	730	Window	No	1
3	Brothers102374	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
4	DurastarDRWAC081XVB1	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	730	Window	No	1
5	DurastarDRWHC081XVB1	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
6	GEPWJV08W**2	CEER 16 Window Sold under 2 brands	8,000BTU/h, up to 350 sq ft	350 sq ft	16	670	Window	No	2
7	Midea1010451315	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	680	Window	No	1
8	Midea1014242943	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	680	Window	No	1
9	MideaMAW08HN1KWT	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
10	MideaMAW08HS1KWT-A	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
11	MideaMAW08S1KWT-B	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	730	Window	No	1
12	MideaMAW08U1KWT	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	740	Window	No	1
13	MideaMAW08U2QWT	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	680	Window	No	1
14	MideaMAW08V1KYWT-S	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	740	Window	No	1
15	MideaMAW08V1WBK	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	710	Window	No	1
16	MideaMAW08V1WBK-T	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	710	Window	No	1
17	MideaMAW08V1WWT	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	710	Window	No	1
18	MideaMAW08V1WWT-T	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	710	Window	No	1
19	MideaMWAUQB-08CRFN8-BCP0	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	680	Window	No	1
20	MideaMWEUWA-08CRFN8-BCP0	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	710	Window	No	1
21	MideaMWFUQB-08CRFN8-BCP0	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	740	Window	No	1
22	MideaMWFUWA-08CRFN8-BCP0	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	730	Window	No	1
23	MideaMWFUWA-08ERFN8-BCP0	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
24	Perfect Aire1PACVH8000	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
25	SeasonsSW08VA1-H	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
26	TCL344286227	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	670	Window	No	1
27	TCLKC-23/YXRDBp(E1/6)(080731)	CEER 16 Window Sold under 2 brands	8,000BTU/h, up to 350 sq ft	350 sq ft	16	660	Window	No	2
28	TCLW8WC72	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	660	Window	No	1
29	Vissani344286237	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	660	Window	No	1
30	WhirlpoolWHAW081INV	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	670	Window	No	1
31	MideaMAW08H1KWT	CEER 15.1 Window Heat pump	8,000BTU/h, up to 350 sq ft	350 sq ft	15.1	690	Window	Yes	1
32	MideaMAW08HV1KWT-A	CEER 15.1 Window Heat pump	8,000BTU/h, up to 350 sq ft	350 sq ft	15.1	690	Window	Yes	1
33	MideaMWAUQB-08HRFN8-BCN11	CEER 15.1 Window Heat pump	8,000BTU/h, up to 350 sq ft	350 sq ft	15.1	690	Window	Yes	1
34	Brothers102378	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
35	DurastarDRTAC081XVB1	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
36	DurastarDRTHC081XVB1	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
37	MideaMAT08H1FWTK	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
38	MideaMAT08H1SWTK	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
39	MideaMAT08R1FWTK	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
40	MideaMAT08R1SWTK	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
41	MideaMT08VB1	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
42	MideaMWEUTW-08CRFN8-BCN1	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
43	MideaMWEUTW-08ERFN8-BCN1	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
44	Perfect Aire1PATWV8000	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
45	Perfect Aire1PATWVH8000	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
46	SeasonsST08VA1-H	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
47	SeasonsST08VB1	CEER 14.1 Through the wall	8,000BTU/h, up to 350 sq ft	350 sq ft	14.1	760	Through the wall	No	1
48	KISSAIRNCG-08CI/X1E-W	CEER 16.3 Window Sold under 8 brands	8,100BTU/h, up to 350 sq ft	350 sq ft	16.3	610	Window	No	8
49	GreeGJC08BU-A6DRNJ2A	CEER 16 Window	8,300BTU/h, up to 350 sq ft	350 sq ft	16	710	Window	No	1
50	GradientCCHP11	CEER 16.8 Window Heat pump	9,300BTU/h, up to 400 sq ft	400 sq ft	16.8	690	Window	Yes	1
51	GreeGJH09BW-A6DRNL1B	CEER 16.1 Window Heat pump	9,300BTU/h, up to 400 sq ft	400 sq ft	16.1	780	Window	Yes	1
52	GreeGJH09BW-A6DRNL1A	CEER 15.1 Window Heat pump Sold under 2 brands	9,300BTU/h, up to 400 sq ft	400 sq ft	15.1	830	Window	Yes	2
53	MideaMAH09B1AGR	CEER 17.6 Window Heat pump	9,500BTU/h, up to 400 sq ft	400 sq ft	17.6	740	Window	Yes	1
54	MideaMAH09H1AGR	CEER 17.6 Window Heat pump	9,500BTU/h, up to 400 sq ft	400 sq ft	17.6	740	Window	Yes	1
55	MideaMAH09N1AGR	CEER 17.6 Window Heat pump	9,500BTU/h, up to 400 sq ft	400 sq ft	17.6	740	Window	Yes	1
56	MideaMAH09S1AGR	CEER 17.6 Window Heat pump	9,500BTU/h, up to 400 sq ft	400 sq ft	17.6	740	Window	Yes	1
57	MideaMAH09W1AGR	CEER 17.6 Window Heat pump	9,500BTU/h, up to 400 sq ft	400 sq ft	17.6	740	Window	Yes	1
58	MideaMWCUPWHP-09HEFN8-BCL1	CEER 17.6 Window Heat pump	9,500BTU/h, up to 400 sq ft	400 sq ft	17.6	740	Window	Yes	1
59	MideaMWCUPWHP-09HEFN8-BCL1N	CEER 17.6 Window Heat pump	9,500BTU/h, up to 400 sq ft	400 sq ft	17.6	740	Window	Yes	1
60	LGLW1001CSY	CEER 16.8 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16.8	880	Window	No	1
61	BLACK+DECKERBDM10C	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	910	Window	No	1
62	DurastarDRWAC101XVB1	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	910	Window	No	1
63	GEAWHV10***2	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	940	Window	No	1
64	GEPWJV10W**2	CEER 16 Window Sold under 2 brands	10,000BTU/h, up to 450 sq ft	450 sq ft	16	940	Window	No	2
65	Hisense143-1383-3	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	800	Window	No	1
66	HisenseAW-10TW1RAGUE75	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	800	Window	No	1
67	HisenseAW-10TW1RZAU70	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	830	Window	No	1
68	HisenseAWUS1027TW	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	830	Window	No	1
69	HisenseHLW1027TW	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	830	Window	No	1
70	Midea1010451479	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	920	Window	No	1
71	Midea1014264129	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	920	Window	No	1
72	MideaMAW10RV1KWT	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	910	Window	No	1
73	MideaMAW10S1KWT-A	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	910	Window	No	1
74	MideaMAW10U1KWT	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	1,020	Window	No	1
75	MideaMAW10U1KWT-A	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	910	Window	No	1
76	MideaMAW10U1KWT-M	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	1,020	Window	No	1
77	MideaMAW10U2QWT	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	920	Window	No	1
78	MideaMAW10V1KYWT-S	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	910	Window	No	1
79	MideaMAW10V1QWBL-T	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	1,020	Window	No	1
80	MideaMAW10V1WWT	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	900	Window	No	1
81	MideaMAW10V1WWT-T	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	900	Window	No	1
82	MideaMWAUQB-10CRFN8-BCP0	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	920	Window	No	1
83	MideaMWEUWA-10CRFN8-BCP0	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	900	Window	No	1
84	MideaMWFUQB-10CRFN8-BCP0	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	1,020	Window	No	1
85	MideaMWFUWA-10CRFN8-BCP0	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	910	Window	No	1
86	Perfect Aire1PACV10000	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	910	Window	No	1
87	SeasonsSW10VB1	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	910	Window	No	1
88	TCL344286213	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	900	Window	No	1
89	TCLT10WV3S	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	900	Window	No	1
90	TCLT10WV9S	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	900	Window	No	1
91	WhirlpoolWHAW101INV	CEER 16 Window	10,000BTU/h, up to 450 sq ft	450 sq ft	16	900	Window	No	1
92	Brothers102397	CEER 14.1 Through the wall	10,000BTU/h, up to 450 sq ft	450 sq ft	14.1	900	Through the wall	No	1
93	Brothers102399	CEER 14.1 Through the wall	10,000BTU/h, up to 450 sq ft	450 sq ft	14.1	880	Through the wall	No	1
94	DurastarDRTAC101XVB1	CEER 14.1 Through the wall	10,000BTU/h, up to 450 sq ft	450 sq ft	14.1	900	Through the wall	No	1
95	DurastarDRTAC102XVB1	CEER 14.1 Through the wall	10,000BTU/h, up to 450 sq ft	450 sq ft	14.1	880	Through the wall	No	1
96	DurastarDRTHC102XVB1	CEER 14.1 Through the wall	10,000BTU/h, up to 450 sq ft	450 sq ft	14.1	880	Through the wall	No	1
97	MideaMAT10H2FWTK	CEER 14.1 Through the wall	10,000BTU/h, up to 450 sq ft	450 sq ft	14.1	880	Through the wall	No	1
98	MideaMAT10H2SWTK	CEER 14.1 Through the wall	10,000BTU/h, up to 450 sq ft	450 sq ft	14.1	880	Through the wall	No	1
99	MideaMAT10R1FWTK	CEER 14.1 Through the wall	10,000BTU/h, up to 450 sq ft	450 sq ft	14.1	900	Through the wall	No	1
100	MideaMAT10R1SWTK	CEER 14.1 Through the wall	10,000BTU/h, up to 450 sq ft	450 sq ft	14.1	900	Through the wall	No	1

155 more certified models without a listing are in the free dataset and on their brand pages.

Questions

How many BTU does a 350 sq ft room need?: 8,000 BTU/h on ENERGY STAR's room air conditioner sizing chart. Add about 10% for a sunny room and 4,000 BTU/h for a kitchen.