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Whirlpool WHAW121INV

Ranked #14 of 36 in Best Window Air Conditioners (2026). Here is every spec we scored, where it came from, and how it compares.

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#14

Whirlpool WHAW121INV

Best for: Official 12000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation

6.8/10

What we like

  • Official ENERGY STAR CEER of 16
  • Marked ENERGY STAR Most Efficient on the official record
  • ENERGY STAR lists a window-straddling installation (typical of U-shaped designs)

Watch out for

  • ENERGY STAR does not list a heating mode

Score breakdown

ENERGY STAR CEER 32%
Cooling capacity 24%
ENERGY STAR Most Efficient 18%
Window-straddling installation 14%
Heating mode 12%
ENERGY STAR CEER16
Cooling capacity12000 Btu/h
ENERGY STAR Most EfficientYes
Window-straddling installationYes
Heating modeNo
Cooling capacity (ENERGY STAR)12000 Btu/h
Combined energy efficiency ratio (ENERGY STAR CEER)16
ENERGY STAR Most EfficientYes
Heating mode (ENERGY STAR)No
Variable-speed compressor (ENERGY STAR)Yes
Installation / mounting (ENERGY STAR)Straddles Window
Window-straddling installationYes
Voltage (ENERGY STAR)115 V
Annual energy use (ENERGY STAR)562 kWh/year
Weight (ENERGY STAR)58.4 lb
Dimensions (ENERGY STAR)14.5 × 24.2 × 20.3 in (H × W × D)
Product type (ENERGY STAR)Window
Refrigerant (ENERGY STAR)R-32
Certified model numberWHAW121INV
Estimated cooling power (computed)750 watts, computed as certified capacity ÷ CEER
PriceCheck price
Midea MAH09W1AGR
8.4/10
#1 · Official 9500 Btu/h cooling capacity, CEER 17.6, ENERGY STAR Most Efficient, window-straddling installation
Friedrich KCVM14B10B
7.3/10
#2 · Official 14100 Btu/h cooling capacity, CEER 16.2, ENERGY STAR Most Efficient, window-straddling installation
Friedrich Kühl KHVS10B11B
7.1/10
#3 · Official 10600 Btu/h cooling capacity, CEER 15, ENERGY STAR Most Efficient, window-straddling installation
Frigidaire FHWW145WF1
7.1/10
#4 · Official 14000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
GE AWHV14
7.1/10
#5 · Official 14000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
Midea MAW14RV1KWT
7.1/10
#6 · Official 14000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
Friedrich Kühl KCVS12B10B
6.9/10
#7 · Official 12300 Btu/h cooling capacity, CEER 16.2, ENERGY STAR Most Efficient, window-straddling installation
GE AWP12P
6.9/10
#8 · Official 11000 Btu/h cooling capacity, CEER 14.4, ENERGY STAR Most Efficient, window-straddling installation
BLACK+DECKER BDM12C
6.8/10
#9 · Official 12000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
Frigidaire FHWW125WF1
6.8/10
#10 · Official 12000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
GE AWHV12
6.8/10
#11 · Official 12000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
Midea MAW12U1KWT
6.8/10
#12 · Official 12000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
TCL T12WV9S
6.8/10
#13 · Official 12000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
Friedrich Kühl KCVS08B10B
6.7/10
#15 · Official 8700 Btu/h cooling capacity, CEER 17, ENERGY STAR Most Efficient, window-straddling installation
Hisense AWUS1227TW
6.7/10
#16 · Official 11500 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
Midea MAW08HV1KWT-A
6.7/10
#17 · Official 8000 Btu/h cooling capacity, CEER 15.1, ENERGY STAR Most Efficient, window-straddling installation
Frigidaire FHWW105WF1
6.4/10
#18 · Official 10000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
Midea MAW10U1KWT
6.4/10
#19 · Official 10000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
Whirlpool WHAW101INV
6.4/10
#20 · Official 10000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
Frigidaire FHWW085WF1
6.0/10
#21 · Official 8000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
Midea MAW08U1KWT
6.0/10
#22 · Official 8000 Btu/h cooling capacity, CEER 16, ENERGY STAR Most Efficient, window-straddling installation
LG LW6023IVSM
5.4/10
#23 · Official 6000 Btu/h cooling capacity, CEER 15.5, ENERGY STAR Most Efficient, window-straddling installation
LG LW1822IVSM
5.3/10
#24 · Official 18000 Btu/h cooling capacity, CEER 14.7, window-straddling installation
Danby DAC140EBIBDB
4.8/10
#25 · Official 14000 Btu/h cooling capacity, CEER 15, window-straddling installation
LG LW1522IVSM
4.6/10
#26 · Official 14000 Btu/h cooling capacity, CEER 14.7, window-straddling installation
GE Profile AHTR10ACH2
4.5/10
#27 · Official 10100 Btu/h cooling capacity, CEER 15.7, window-straddling installation
Della 048-TL-W12KI
4.4/10
#28 · Official 12000 Btu/h cooling capacity, CEER 15, window-straddling installation
Friedrich CCV12A10A
4.4/10
#29 · Official 12000 Btu/h cooling capacity, CEER 15, window-straddling installation
Frigidaire GHWQ125WD1
4.4/10
#30 · Official 12000 Btu/h cooling capacity, CEER 15, window-straddling installation
LG LW1222IVSM
4.4/10
#31 · Official 12000 Btu/h cooling capacity, CEER 15, window-straddling installation
LG LW1022IVSM
4.0/10
#32 · Official 10000 Btu/h cooling capacity, CEER 15, window-straddling installation
LG LW8022IVSM
4.0/10
#33 · Official 8000 Btu/h cooling capacity, CEER 15.5, window-straddling installation
Windmill 10W2Wi
4.0/10
#34 · Official 10000 Btu/h cooling capacity, CEER 15, window-straddling installation
Windmill 08W2Wi
3.7/10
#35 · Official 8000 Btu/h cooling capacity, CEER 15, window-straddling installation
Frigidaire FHWC056TF1
2.8/10
#36 · Official 5000 Btu/h cooling capacity, CEER 14.4, window-straddling installation