WattCost

Data through April 2026

Cost to run · Ohio · 19.5¢/kWh residential average

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

$104/yr · median certified model

Electricity in Ohio is priced within a few percent of the U.S. average — 19.5¢/kWh — which puts the typical certified room air conditioner at about $104 annually, essentially the national number.

Ohio ranks 35 of 51 jurisdictions for room air conditioner running costs — solidly mid-table. At local rates, certified models span $53 (TCL T05WV9M) to $409 (Friedrich KCVL36B30A) per year — $355 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.

Ohio
$104
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 Ohio rates

Top 10 by certified kWh, priced at 19.5¢/kWh
#ModelkWh/yr$/yr in OH
1TCL T05WV9M274$53
2TCL T05WV9MB274$53
3TCL T05WV9R274$53
4TCL T05WV9RB274$53
5TCL W5WC72274$53
6TCL W5WC72-B274$53
7TCL W5WC72M274$53
8TCL W5WC72M-B274$53
9LG LW6023IVSMmost efficient290$57
10Midea MAW06U1QWTmost efficient298$58

Price any model at Ohio rates

Your rate, your numbers

Per day
28¢
Per month
$8.64
Per year
$104

532 kWh/yr × 19.5¢/kWh = $104/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 Ohio?
About $104 a year for the median ENERGY STAR certified room air conditioner, at Ohio's average residential rate of 19.5¢/kWh — that's $8.64 a month.
Is electricity expensive in Ohio?
Ohio's residential average of 19.5¢/kWh is 4% above the U.S. average of 18.8¢/kWh, ranking 35 of 51 jurisdictions (1 = cheapest).
What's the cheapest room air conditioner to run in Ohio?
Among currently certified models, the TCL T05WV9M costs the least at about $53 a year at Ohio rates (274 kWh/yr).
How does Ohio 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). Ohio sits at $104.

Keep digging

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