WattCost

Data through June 2026

Cost to run · Wisconsin · 19.6¢/kWh residential average

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

$104/yr · median certified model

Electricity in Wisconsin is priced within a few percent of the U.S. average — 19.6¢/kWh — which puts the typical certified room air conditioner at about $104 annually, essentially the national number.

Wisconsin ranks 35 of 51 jurisdictions for room air conditioner running costs — solidly mid-table. Model choice matters as much as geography: at Wisconsin rates the most efficient certified model (Brothers 102372) costs $51 a year while the most power-hungry (Friedrich KCVL36B30A) costs $410 — a spread of $359 every year. 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.

Wisconsin
$104
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 Wisconsin rates

Top 10 by certified kWh, priced at 19.6¢/kWh
#ModelkWh/yr$/yr in WI
1Brothers 102372260$51
2Midea MWEUWA-05CRFN8-BCN4260$51
3Vissani VAW05V1KWT260$51
4TCL T05WV9M274$54
5TCL T05WV9MB274$54
6TCL T05WV9R274$54
7TCL T05WV9RB274$54
8TCL W5WC72274$54
9TCL W5WC72-B274$54
10TCL W5WC72M274$54

Price any model at Wisconsin rates

Your rate, your numbers

Per day
29¢
Per month
$8.67
Per year
$104

532 kWh/yr × 19.6¢/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 Wisconsin?
About $104 a year for the median ENERGY STAR certified room air conditioner, at Wisconsin's average residential rate of 19.6¢/kWh — that's $8.67 a month.
Is electricity expensive in Wisconsin?
Wisconsin's residential average of 19.6¢/kWh is 7% above the U.S. average of 18.3¢/kWh, ranking 35 of 51 jurisdictions (1 = cheapest).
What's the cheapest room air conditioner to run in Wisconsin?
Among currently certified models, the Brothers 102372 costs the least at about $51 a year at Wisconsin rates (260 kWh/yr).
How does Wisconsin 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). Wisconsin sits at $104.

Keep digging

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