WattCost

Data through June 2026

Cost to run · New Jersey · 24.9¢/kWh residential average

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

$133/yr · median certified model

New Jersey pays 24.9¢/kWh for residential power — 36% above the national average — lifting the median certified room air conditioner to about $133 a year, versus $98 nationally.

In the national ranking, New Jersey lands at 43 of 51 for what a room air conditioner costs to run. At local rates, certified models span $65 (Brothers 102372) to $523 (Friedrich KCVL36B30A) per year — $458 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.

New Jersey
$133
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 New Jersey rates

Top 10 by certified kWh, priced at 24.9¢/kWh
#ModelkWh/yr$/yr in NJ
1Brothers 102372260$65
2Midea MWEUWA-05CRFN8-BCN4260$65
3Vissani VAW05V1KWT260$65
4TCL T05WV9M274$68
5TCL T05WV9MB274$68
6TCL T05WV9R274$68
7TCL T05WV9RB274$68
8TCL W5WC72274$68
9TCL W5WC72-B274$68
10TCL W5WC72M274$68

Price any model at New Jersey rates

Your rate, your numbers

Per day
36¢
Per month
$11.06
Per year
$133

532 kWh/yr × 24.9¢/kWh = $133/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 New Jersey?
About $133 a year for the median ENERGY STAR certified room air conditioner, at New Jersey's average residential rate of 24.9¢/kWh — that's $11.06 a month.
Is electricity expensive in New Jersey?
New Jersey's residential average of 24.9¢/kWh is 36% above the U.S. average of 18.3¢/kWh, ranking 43 of 51 jurisdictions (1 = cheapest).
What's the cheapest room air conditioner to run in New Jersey?
Among currently certified models, the Brothers 102372 costs the least at about $65 a year at New Jersey rates (260 kWh/yr).
How does New Jersey 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). New Jersey sits at $133.

Keep digging

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