Cost to run a central air conditioner in North Dakota

$0.47/hour

Central Air Conditioner at 3,500 W in North Dakota (13.31¢/kWh) · $113.29/month at 8 h/day

By hours of use

Use	Per day	Per month	Per year
1 h/day	$0.47	$14.16	$170.04
2 h/day	$0.93	$28.32	$340.07
4 h/day	$1.86	$56.65	$680.14
8 h/day	$3.73	$113.29	$1,360.28
12 h/day	$5.59	$169.94	$2,040.42
24 h/day	$11.18	$339.88	$4,080.85

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 North Dakota?

At 3,500 W and 13.31¢/kWh: $0.47 per hour, $3.73 per day and $113.29 per month at 8 h/day.

How does North Dakota 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).

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