WattCost

Data through June 2026

Cost to run · North Carolina · 14.7¢/kWh residential average

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

$78/yr · median certified model

Residential electricity in North Carolina runs 14.7¢/kWh — 20% under the U.S. average — putting the median certified room air conditioner at about $78 a year, versus $98 nationally.

North Carolina ranks 11 of 51 jurisdictions for room air conditioner running costs — solidly mid-table. At local rates, certified models span $38 (Brothers 102372) to $309 (Friedrich KCVL36B30A) per year — $271 of annual headroom that depends entirely on which unit you buy. For reference, the national extremes are Nevada (13.1¢/kWh) and Hawaii (52.7¢/kWh); the same median room air conditioner would cost $70 and $280 a year there.

North Carolina
$78
US average
$98
Nevada
$70
Hawaii
$280
Median certified room air conditioner (532 kWh/yr) per year, at each rate

The cheapest room air conditioners to run at North Carolina rates

Top 10 by certified kWh, priced at 14.7¢/kWh
#ModelkWh/yr$/yr in NC
1Brothers 102372260$38
2Midea MWEUWA-05CRFN8-BCN4260$38
3Vissani VAW05V1KWT260$38
4TCL T05WV9M274$40
5TCL T05WV9MB274$40
6TCL T05WV9R274$40
7TCL T05WV9RB274$40
8TCL W5WC72274$40
9TCL W5WC72-B274$40
10TCL W5WC72M274$40

Price any model at North Carolina rates

Your rate, your numbers

Per day
21¢
Per month
$6.53
Per year
$78

532 kWh/yr × 14.7¢/kWh = $78/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 North Carolina?
About $78 a year for the median ENERGY STAR certified room air conditioner, at North Carolina's average residential rate of 14.7¢/kWh — that's $6.53 a month.
Is electricity expensive in North Carolina?
North Carolina's residential average of 14.7¢/kWh is 20% below the U.S. average of 18.3¢/kWh, ranking 11 of 51 jurisdictions (1 = cheapest).
What's the cheapest room air conditioner to run in North Carolina?
Among currently certified models, the Brothers 102372 costs the least at about $38 a year at North Carolina rates (260 kWh/yr).
How does North Carolina compare with other states?
The same median room air conditioner costs $70 a year in Nevada (the cheapest state) and $280 in Hawaii (the priciest). North Carolina sits at $78.

Keep digging

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