Amit's data tools
WattCost
424 certified models

What a room air conditioner
costs to run

$103.24 a year A typical ENERGY STAR certified room air conditioner uses 532 kWh a year, which at the US average residential price of 19.41¢ per kWh is $103.24 a year.

Where you live changes that a lot: the same appliance costs $65.69 a year in Idaho and $276.59 in Hawaii.

Typical use532kWh per year
US average cost$103.24per year
Best model274kWh per year
Worst model2,096kWh per year

Cost in every state

StatePrice per kWhCost per yearPer month
Hawaii 52.00¢$276.59$23.05
California 33.25¢$176.86$14.74
New York 29.93¢$159.20$13.27
Rhode Island 29.46¢$156.70$13.06
Massachusetts 28.82¢$153.29$12.77
Maine 28.63¢$152.28$12.69
Alaska 28.23¢$150.16$12.51
Connecticut 27.37¢$145.58$12.13
New Hampshire 27.33¢$145.37$12.11
District of Columbia 25.40¢$135.10$11.26
Vermont 24.89¢$132.39$11.03
Illinois 23.85¢$126.86$10.57
New Jersey 23.27¢$123.77$10.31
Michigan 22.01¢$117.07$9.76
Maryland 21.77¢$115.79$9.65
Pennsylvania 21.55¢$114.62$9.55
Wisconsin 19.74¢$105.00$8.75
Ohio 19.52¢$103.83$8.65
Delaware 19.38¢$103.08$8.59
Indiana 18.15¢$96.54$8.04
Virginia 17.61¢$93.67$7.81
Minnesota 16.95¢$90.16$7.51
West Virginia 16.80¢$89.36$7.45
Alabama 16.77¢$89.20$7.43
Texas 16.44¢$87.44$7.29
Oregon 16.27¢$86.54$7.21
South Carolina 16.18¢$86.06$7.17
Colorado 16.16¢$85.96$7.16
Mississippi 16.16¢$85.96$7.16
Georgia 15.84¢$84.25$7.02
South Dakota 15.73¢$83.67$6.97
Arizona 15.23¢$81.01$6.75
Florida 15.17¢$80.69$6.72
Kansas 15.13¢$80.48$6.71
North Carolina 15.09¢$80.26$6.69
Kentucky 14.98¢$79.68$6.64
Washington 14.95¢$79.52$6.63
Wyoming 14.80¢$78.72$6.56
Montana 14.67¢$78.03$6.50
Tennessee 14.47¢$76.97$6.41
Arkansas 14.36¢$76.38$6.37
Louisiana 14.15¢$75.26$6.27
Iowa 14.14¢$75.21$6.27
New Mexico 14.12¢$75.10$6.26
Missouri 13.68¢$72.76$6.06
North Dakota 13.61¢$72.39$6.03
Nevada 13.60¢$72.34$6.03
Nebraska 13.59¢$72.29$6.02
Oklahoma 13.38¢$71.17$5.93
Utah 12.96¢$68.93$5.74
Idaho 12.35¢$65.69$5.47

A typical ENERGY STAR certified room air conditioner using 532 kWh a year, at each state's average residential electricity price.

Most efficient certified models

#ModelkWh/yrCost/yrvs typical
1 TCL T05WV9M · Window 274$53.13 saves $50.12
2 TCL T05WV9MB · Window 274$53.13 saves $50.12
3 TCL T05WV9R · Window 274$53.13 saves $50.12
4 TCL T05WV9RB · Window 274$53.13 saves $50.12
5 TCL W5WC72 · Window 274$53.13 saves $50.12
6 TCL W5WC72-B · Window 274$53.13 saves $50.12
7 TCL W5WC72M · Window 274$53.13 saves $50.12
8 TCL W5WC72M-B · Window 274$53.13 saves $50.12
9 Midea MAW06S1KWT-A · Window 281$54.60 saves $48.64
10 Midea MAW06V1KYWT-S · Window 281$54.60 saves $48.64
11 LG LW6023IVSM · Window 290$56.35 saves $46.89
12 Midea MAW06U1QWT · Window 298$57.84 saves $45.40
13 Midea MAW06V1QWBL-T · Window 298$57.84 saves $45.40
14 Midea MAW06V1QWT · Window 298$57.84 saves $45.40
15 Midea MAW06V1UBL · Window 298$57.84 saves $45.40
16 Midea MAW06V1UWT · Window 298$57.84 saves $45.40
17 Midea MWAUQB-06CRFN8-BCN11 · Window 298$57.84 saves $45.40
18 Hisense WCT06W25A · Window 329$63.76 saves $39.48
19 Midea MWEUWA-06CRFN8-BCM7 · Window 329$63.76 saves $39.48
20 TCL H6W4KW · Window 329$63.76 saves $39.48
21 TCL T06WQ2S · Window 329$63.76 saves $39.48
22 TCL T06WV9R · Window 329$63.76 saves $39.48
23 TCL T06WV9RB · Window 329$63.76 saves $39.48
24 TCL W6WC72 · Window 329$63.76 saves $39.48
25 TCL W6WC72-B · Window 329$63.76 saves $39.48

Priced at the US average of 19.41¢/kWh. Pick your state above for local figures.

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