Best overall
Kühl KCVS12B30B
12,700 BTU · saddle · 230 V
- CEER
- 16.8
- Power draw
- 756 W
- Per year
- $102
Highest CEER of all 34 12,000 BTU window air conditioners: 16.8.
Specs, size and running costA 12,000 BTU window air conditioner suits a room of about 450-550 sq ft.
The most efficient of the 34 certified models is the Kühl KCVS12B30B (16.8 CEER). A typical one draws about 847 W and costs about $115 a year to run.
Best overall
12,700 BTU · saddle · 230 V
Highest CEER of all 34 12,000 BTU window air conditioners: 16.8.
Specs, size and running costBest U-shaped
12,000 BTU · U-shaped
The window closes into the unit: better seal, more light, compressor outside.
Specs, size and running costBest with heat
12,600 BTU · saddle · heats too · 230 V
Runs as a heat pump in cool weather as well as cooling.
Specs, size and running cost34 models, ranked by CEER (efficiency). Yearly cost at 750 hours and the U.S. average electricity price.
| # | Features | |||||
|---|---|---|---|---|---|---|
| 1 | Kühl KCVS12B30B | 12,700 | $102 | 25.9" | Saddle, 230 V | |
| 2 | Kühl KCVS12B10B | 12,300 | $103 | 25.9" | Saddle | |
| 3 | Frigidaire Gallery GHWW125TF1 | 12,000 | $101 | 19.2" | - | |
| 4 | Midea MAW12U1KWTalso sold as 2 other model numbers | 12,000 | $101 | 19.2" | U-shaped | |
| 5 | Midea MAW12U1KWT-Malso sold as 1 other model number | 12,000 | $101 | 19.2" | Saddle | |
| 6 | Midea MAW12V1WBKalso sold as 14 other model numbers | 12,000 | $101 | 21.7" | - | |
| 7 | Midea MWEUWA-12CRFN8-BCP0 | 12,000 | $101 | 19.1" | - | |
| 8 | Whirlpool WHAW121CWXalso sold as 5 other model numbers | 12,000 | $101 | 19.8" | U-shaped | |
| 9 | Whirlpool WHAW121INV | 12,000 | $101 | 24.2" | U-shaped | |
| 10 | Hisense AWUS1227TWalso sold as 1 other model number | 11,500 | $97 | 20.3" | U-shaped | |
| 11 | Kühl+ KHVS12B33B | 12,600 | $108 | 25.9" | Saddle, Heat, 230 V | |
| 12 | GE Profile AHTR12ACH2 | 12,200 | $107 | 10.6" | - | |
| 13 | Midea 1010451379also sold as 4 other model numbers | 12,000 | $107 | 19.2" | U-shaped | |
| 14 | TCL H12W4KWHalso sold as 2 other model numbers | 12,000 | $107 | 30" | U-shaped | |
| 15 | Danby DAC120ECBIWDBalso sold as 1 other model number | 12,000 | $108 | 21.7" | - | |
| 16 | Friedrich CCV12A10Aalso sold as 5 other model numbers | 12,000 | $108 | 20.7" | - | |
| 17 | Friedrich KCVS12B10A | 12,500 | $113 | 25.9" | - | |
| 18 | Friedrich KCVS12B30A | 12,700 | $115 | 25.9" | 230 V | |
| 19 | GE Profile PWDV12Walso sold as 11 other model numbers | 12,000 | $108 | 19" | - | |
| 20 | Hisense LWCT12W25Aalso sold as 4 other model numbers | 12,000 | $108 | 20.3" | U-shaped | |
| 21 | LG LW1222IVSM | 12,000 | $108 | 23.6" | U-shaped | |
| 22 | LG LW1224IVSM | 12,000 | $108 | 23.6" | - | |
| 23 | Midea MAW12V1QWTalso sold as 12 other model numbers | 12,000 | $108 | 19.2" | U-shaped | |
| 24 | Midea MAW12V1UWTalso sold as 6 other model numbers | 12,000 | $108 | 19.2" | - | |
| 25 | Richmond RMV12A10A | 12,000 | $108 | 18.9" | - | |
| 26 | TCL H12W4MW | 12,000 | $108 | 23" | - | |
| 27 | TCL T12WQ2S | 12,000 | $108 | 20.7" | U-shaped | |
| 28 | Whirlpool WHAW-121INalso sold as 6 other model numbers | 12,000 | $108 | 24.2" | U-shaped | |
| 29 | GE Profile PHNT12CCH1 | 12,200 | $112 | 19.7" | Saddle | |
| 30 | GREE GJC12BU-A6DRNJ2Aalso sold as 1 other model number | 11,500 | $106 | 21" | U-shaped | |
| 31 | Midea MAW12HV1KWT-Aalso sold as 2 other model numbers | 12,000 | $113 | 19.4" | Heat | |
| 32 | Friedrich KHVS12B33A | 12,600 | $118 | 25.9" | Heat, 230 V | |
| 33 | Midea MAW12HV1CWTalso sold as 4 other model numbers | 12,000 | $122 | 19.4" | U-shaped, Heat | |
| 34 | GE Appliances AWGP12W | 11,000 | $113 | 19" | Heat |
A typical model (15.0 CEER) against the most efficient (16.8 CEER), at each city's cooling hours and state electricity price.
| City | Typical | Most efficient |
|---|---|---|
| Phoenix, AZ | $219 | $196 |
| Houston, TX | $190 | $169 |
| Miami, FL | $228 | $204 |
| Atlanta, GA | $99 | $88 |
| New York, NY | $126 | $113 |
| Chicago, IL | $76 | $68 |
| Denver, CO | $49 | $44 |
| Seattle, WA | $15 | $13 |
The ENERGY STAR guide gives 12,000 BTU for about 450-550 sq ft. Adjust for your room: a heavily shaded room needs about 10% less, a very sunny one about 10% more, add 600 BTU for each person beyond two, and 4,000 BTU for a kitchen.