Cost to run a central air conditioner in Wisconsin

$0.68/hour

Central Air Conditioner at 3,500 W in Wisconsin (19.41¢/kWh) · $165.22/month at 8 h/day

By hours of use

Use	Per day	Per month	Per year
1 h/day	$0.68	$20.65	$247.96
2 h/day	$1.36	$41.30	$495.93
4 h/day	$2.72	$82.61	$991.85
8 h/day	$5.43	$165.22	$1,983.70
12 h/day	$8.15	$247.83	$2,975.55
24 h/day	$16.30	$495.65	$5,951.11

A 3-ton central AC typically draws 3,000-4,000 W while running; SEER rating and duct losses matter.

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

At 3,500 W and 19.41¢/kWh: $0.68 per hour, $5.43 per day and $165.22 per month at 8 h/day.

How does Wisconsin compare with other states?

The same use costs $108.27/month in Nevada (cheapest) and $401.60/month in Hawaii (most expensive); the US average is $154.58.

Price: EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026).

Free calculator by KWhCalc