Window ACs for 150 sq ft by certified BTU

150 sq ft needs 5,000 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
10with a matched listing

Start with these three

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From the 10 listed models that fit. No one pays for a pick.

Smallest that fits, highest CEER

Midea MAW06V1UBL
6,000 BTU/h

Up to 250 sq ft. Window, CEER 15.1.
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 332 window ACs whose DOE certified capacity covers 150 sq ft, the highest efficiency (CEER) is LG LW8001CSY at 17.6 Btu/Wh (DOE data as of 2026-11-03). The median is 14.4 Btu/Wh.
10 of the 332 window ACs whose DOE certified capacity covers 150 sq ft are matched to an Amazon listing as of 2026-11-03.
16 of the 332 window ACs whose DOE certified capacity covers 150 sq ft are filed under two or more brand names: the same unit sold as different brands.

All 10 listed models that fit

10 window ACs whose DOE certified capacity covers 150 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	MideaMAW06V1UBL	CEER 15.1 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	15.1	610	Window	No	1	Check price on Amazon
2	MideaMAW06V1UWT	CEER 15.1 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	15.1	610	Window	No	1	Check price on Amazon
3	KISSAIRNCG-06CI/X1E-W	CEER 15.1 Window Sold under 8 brands	6,200BTU/h, up to 250 sq ft	250 sq ft	15.1	460	Window	No	8	Check price on Amazon
4	MideaMAW08V1KWT-A	CEER 15.1 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	15.1	720	Window	No	1	Check price on Amazon
5	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
6	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
7	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
8	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
9	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
10	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

322 more certified models fit, with no Amazon listing matched

Top 100 of 322 window ACs whose DOE certified capacity covers 150 sq ft, with no matched listing, as of 2026-11-03.
#	Model	Labels	Cooling, BTU/h	Covers	CEER	Watts	Type	Heat pump	Brands
1	BLACK+DECKERBDM05C	CEER 14.4 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	14.4	490	Window	No	1
2	Brothers102372	CEER 14.4 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	14.4	490	Window	No	1
3	MideaMAW05R1KWT-B	CEER 14.4 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	14.4	490	Window	No	1
4	MideaMAW05R1VWBL-T	CEER 14.4 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	14.4	490	Window	No	1
5	MideaMAW05R1VWWT-T	CEER 14.4 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	14.4	490	Window	No	1
6	MideaMAW05S1KWT-A	CEER 14.4 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	14.4	490	Window	No	1
7	MideaMWEUWA-05CRFN8-BCN4	CEER 14.4 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	14.4	490	Window	No	1
8	Perfect Aire1PACV5000	CEER 14.4 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	14.4	490	Window	No	1
9	TCLT05WV9M	CEER 13.7 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.7	380	Window	No	1
10	TCLW5WC72	CEER 13.7 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.7	380	Window	No	1
11	BLACK+DECKERBDM05MC	CEER 13.1 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	380	Window	No	1
12	GEAWT05E***1	CEER 13.1 Window Sold under 3 brands	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	530	Window	No	3
13	GEAWT05M***1	CEER 13.1 Window Sold under 3 brands	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	370	Window	No	3
14	MideaMAW05M1CYWT	CEER 13.1 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	380	Window	No	1
15	MideaMAW05M1DWBL-N	CEER 13.1 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	380	Window	No	1
16	MideaMAW05M1DWWT-N	CEER 13.1 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	380	Window	No	1
17	MideaMAW05M1KWB-A	CEER 13.1 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	380	Window	No	1
18	MideaMAW05M1KWT-A	CEER 13.1 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	380	Window	No	1
19	MideaMWFUK-05CMN8-BCM1	CEER 13.1 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	380	Window	No	1
20	Perfect Aire6PMC5000	CEER 13.1 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	380	Window	No	1
21	SeasonsSW05MC1	CEER 13.1 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	380	Window	No	1
22	TCLKC-15/YXD(E1/6)(080732)	CEER 13.1 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	380	Window	No	1
23	Vissani344286231	CEER 13.1 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	380	Window	No	1
24	WhirlpoolWHAW050EX	CEER 13.1 Window	5,000BTU/h, up to 150 sq ft	150 sq ft	13.1	380	Window	No	1
25	LGLW6023IVSM	CEER 15.5 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	15.5	510	Window	No	1
26	MideaMAW06U1QWT	CEER 15.1 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	15.1	610	Window	No	1
27	MideaMAW06V1QWBL-T	CEER 15.1 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	15.1	610	Window	No	1
28	MideaMAW06V1QWT	CEER 15.1 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	15.1	610	Window	No	1
29	MideaMWAUQB-06CRFN8-BCN11	CEER 15.1 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	15.1	610	Window	No	1
30	LGLW6027	CEER 14.3 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	14.3	580	Window	No	1
31	LGLW6027S	CEER 14.3 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	14.3	580	Window	No	1
32	LGLW6027SX	CEER 14.3 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	14.3	580	Window	No	1
33	BLACK+DECKERBDM06C	CEER 13.7 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	610	Window	No	1
34	CLCL-MWEUWA-06CRFN8-BCM7	CEER 13.7 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	610	Window	No	1
35	GEAWT06E***1	CEER 13.7 Window Sold under 3 brands	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	630	Window	No	3
36	MideaMAW06S1KWT-A	CEER 13.7 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	610	Window	No	1
37	MideaMAW06S1VWBL-T	CEER 13.7 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	610	Window	No	1
38	MideaMAW06S1VWWT-T	CEER 13.7 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	610	Window	No	1
39	MideaMAW06V1KYWT-S	CEER 13.7 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	610	Window	No	1
40	MideaMWEUWA-06CRFN8-BCM7	CEER 13.7 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	610	Window	No	1
41	Perfect Aire1PACV6000	CEER 13.7 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	610	Window	No	1
42	SeasonsSW06VB1	CEER 13.7 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	610	Window	No	1
43	TCLH6W4KW	CEER 13.7 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	570	Window	No	1
44	TCLKC-18/YXRDBp(E1/6)(080720)	CEER 13.7 Window Sold under 2 brands	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	540	Window	No	2
45	TCLT06WV9R	CEER 13.7 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	430	Window	No	1
46	TCLW6WC72	CEER 13.7 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	540	Window	No	1
47	Vissani344286230	CEER 13.7 Window	6,000BTU/h, up to 250 sq ft	250 sq ft	13.7	540	Window	No	1
48	MideaMAW08U1KWT-A	CEER 15.1 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	15.1	720	Window	No	1
49	MideaMAW08U1KWT-M	CEER 15.1 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	15.1	720	Window	No	1
50	MideaMAW08V1QWBL-T	CEER 15.1 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	15.1	720	Window	No	1
51	MideaMWFUQB-8CRFN8-BCN11	CEER 15.1 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	15.1	720	Window	No	1
52	BLACK+DECKERBDM078C	CEER 13.7 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	13.7	820	Window	No	1
53	GEAWHV07***1	CEER 13.7 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	13.7	760	Window	No	1
54	MideaMAW08S1KBL-A	CEER 13.7 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	13.7	820	Window	No	1
55	MideaMAW08S1KWT-A	CEER 13.7 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	13.7	820	Window	No	1
56	MideaMAW08V1SWBL-T	CEER 13.7 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	13.7	820	Window	No	1
57	MideaMAW08V1SWWT-T	CEER 13.7 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	13.7	820	Window	No	1
58	MideaMWEUWA-08CRFN8-BCM7	CEER 13.7 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	13.7	820	Window	No	1
59	Perfect Aire1PACV8000	CEER 13.7 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	13.7	820	Window	No	1
60	SeasonsSW08VB1	CEER 13.7 Window	7,800BTU/h, up to 300 sq ft	300 sq ft	13.7	820	Window	No	1
61	Hisense143-1381-6	CEER 13.7 Window	7,900BTU/h, up to 300 sq ft	300 sq ft	13.7	700	Window	No	1
62	HisenseAW-08TW1RBGUE75	CEER 13.7 Window	7,900BTU/h, up to 300 sq ft	300 sq ft	13.7	700	Window	No	1
63	HisenseAW-08TW1RZAU70	CEER 13.7 Window	7,900BTU/h, up to 300 sq ft	300 sq ft	13.7	750	Window	No	1
64	HisenseAWUS0827TW	CEER 13.7 Window	7,900BTU/h, up to 300 sq ft	300 sq ft	13.7	750	Window	No	1
65	HisenseHLW0827TW	CEER 13.7 Window	7,900BTU/h, up to 300 sq ft	300 sq ft	13.7	750	Window	No	1
66	GEAJCQ08AXXWA**	CEER 13.1 Through the wall	7,900BTU/h, up to 300 sq ft	300 sq ft	13.1	820	Through the wall	No	1
67	GEAKCQ08AXXXA**	CEER 12.9 Through the wall	7,900BTU/h, up to 300 sq ft	300 sq ft	12.9	850	Through the wall	No	1
68	LGLW8001CSY	CEER 17.6 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	17.6	640	Window	No	1
69	BLACK+DECKERBDM08C	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	730	Window	No	1
70	Brothers102374	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
71	DurastarDRWAC081XVB1	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	730	Window	No	1
72	DurastarDRWHC081XVB1	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
73	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
74	Midea1010451315	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	680	Window	No	1
75	Midea1014242943	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	680	Window	No	1
76	MideaMAW08HN1KWT	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
77	MideaMAW08HS1KWT-A	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
78	MideaMAW08S1KWT-B	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	730	Window	No	1
79	MideaMAW08U1KWT	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	740	Window	No	1
80	MideaMAW08U2QWT	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	680	Window	No	1
81	MideaMAW08V1KYWT-S	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	740	Window	No	1
82	MideaMAW08V1WBK	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	710	Window	No	1
83	MideaMAW08V1WBK-T	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	710	Window	No	1
84	MideaMAW08V1WWT	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	710	Window	No	1
85	MideaMAW08V1WWT-T	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	710	Window	No	1
86	MideaMWAUQB-08CRFN8-BCP0	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	680	Window	No	1
87	MideaMWEUWA-08CRFN8-BCP0	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	710	Window	No	1
88	MideaMWFUQB-08CRFN8-BCP0	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	740	Window	No	1
89	MideaMWFUWA-08CRFN8-BCP0	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	730	Window	No	1
90	MideaMWFUWA-08ERFN8-BCP0	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
91	Perfect Aire1PACVH8000	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
92	SeasonsSW08VA1-H	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	650	Window	No	1
93	TCL344286227	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	670	Window	No	1
94	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
95	TCLW8WC72	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	660	Window	No	1
96	Vissani344286237	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	660	Window	No	1
97	WhirlpoolWHAW081INV	CEER 16 Window	8,000BTU/h, up to 350 sq ft	350 sq ft	16	670	Window	No	1
98	MideaMAW08H1KWT	CEER 15.1 Window Heat pump	8,000BTU/h, up to 350 sq ft	350 sq ft	15.1	690	Window	Yes	1
99	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
100	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

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

Questions

How many BTU does a 150 sq ft room need?: 5,000 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.