WattCost

Data through April 2026

Cost to run · Indiana · 17.9¢/kWh residential average

How much does it cost to run a room air conditioner in Indiana?

$95/yr · median certified model

Electricity in Indiana is priced within a few percent of the U.S. average — 17.9¢/kWh — which puts the typical certified room air conditioner at about $95 annually, essentially the national number.

Indiana ranks 32 of 51 jurisdictions for room air conditioner running costs — solidly mid-table. At local rates, certified models span $49 (TCL T05WV9M) to $375 (Friedrich KCVL36B30A) per year — $326 of annual headroom that depends entirely on which unit you buy. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median room air conditioner would cost $66 and $248 a year there.

Indiana
$95
US average
$100
North Dakota
$66
Hawaii
$248
Median certified room air conditioner (532 kWh/yr) per year, at each rate

The cheapest room air conditioners to run at Indiana rates

Top 10 by certified kWh, priced at 17.9¢/kWh
#ModelkWh/yr$/yr in IN
1TCL T05WV9M274$49
2TCL T05WV9MB274$49
3TCL T05WV9R274$49
4TCL T05WV9RB274$49
5TCL W5WC72274$49
6TCL W5WC72-B274$49
7TCL W5WC72M274$49
8TCL W5WC72M-B274$49
9LG LW6023IVSMmost efficient290$52
10Midea MAW06U1QWTmost efficient298$53

Price any model at Indiana rates

Your rate, your numbers

Per day
26¢
Per month
$7.94
Per year
$95

532 kWh/yr × 17.9¢/kWh = $95/yr

Prefilled with the median certified room air conditioner (532 kWh/yr). Every model page on this site carries its exact certified figure.

Questions, answered with the data

How much does it cost to run a room air conditioner in Indiana?
About $95 a year for the median ENERGY STAR certified room air conditioner, at Indiana's average residential rate of 17.9¢/kWh — that's $7.93 a month.
Is electricity expensive in Indiana?
Indiana's residential average of 17.9¢/kWh is 5% below the U.S. average of 18.8¢/kWh, ranking 32 of 51 jurisdictions (1 = cheapest).
What's the cheapest room air conditioner to run in Indiana?
Among currently certified models, the TCL T05WV9M costs the least at about $49 a year at Indiana rates (274 kWh/yr).
How does Indiana compare with other states?
The same median room air conditioner costs $66 a year in North Dakota (the cheapest state) and $248 in Hawaii (the priciest). Indiana sits at $95.

Keep digging

Rate source: US EIA, average residential price of electricity, see methodology.