WattCost

Data through April 2026

Cost to run · Oklahoma · 13.3¢/kWh residential average

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

$71/yr · median certified model

Residential electricity in Oklahoma runs 13.3¢/kWh — 29% under the U.S. average — putting the median certified room air conditioner at about $71 a year, versus $100 nationally.

Out of all 50 states plus D.C., Oklahoma is the #5 cheapest place to run a room air conditioner. Model choice matters as much as geography: at Oklahoma rates the most efficient certified model (TCL T05WV9M) costs $36 a year while the most power-hungry (Friedrich KCVL36B30A) costs $279 — a spread of $243 every year. 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.

Oklahoma
$71
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 Oklahoma rates

Top 10 by certified kWh, priced at 13.3¢/kWh
#ModelkWh/yr$/yr in OK
1TCL T05WV9M274$36
2TCL T05WV9MB274$36
3TCL T05WV9R274$36
4TCL T05WV9RB274$36
5TCL W5WC72274$36
6TCL W5WC72-B274$36
7TCL W5WC72M274$36
8TCL W5WC72M-B274$36
9LG LW6023IVSMmost efficient290$39
10Midea MAW06U1QWTmost efficient298$40

Price any model at Oklahoma rates

Your rate, your numbers

Per day
19¢
Per month
$5.90
Per year
$71

532 kWh/yr × 13.3¢/kWh = $71/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 Oklahoma?
About $71 a year for the median ENERGY STAR certified room air conditioner, at Oklahoma's average residential rate of 13.3¢/kWh — that's $5.90 a month.
Is electricity expensive in Oklahoma?
Oklahoma's residential average of 13.3¢/kWh is 29% below the U.S. average of 18.8¢/kWh, ranking 5 of 51 jurisdictions (1 = cheapest).
What's the cheapest room air conditioner to run in Oklahoma?
Among currently certified models, the TCL T05WV9M costs the least at about $36 a year at Oklahoma rates (274 kWh/yr).
How does Oklahoma 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). Oklahoma sits at $71.

Keep digging

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