Cost to run a window air conditioner in North Dakota

$0.12/hour

Window Air Conditioner at 900 W in North Dakota (13.31¢/kWh) · $29.13/month at 8 h/day

By hours of use

Use	Per day	Per month	Per year
1 h/day	$0.12	$3.64	$43.72
2 h/day	$0.24	$7.28	$87.45
4 h/day	$0.48	$14.57	$174.89
8 h/day	$0.96	$29.13	$349.79
12 h/day	$1.44	$43.70	$524.68
24 h/day	$2.87	$87.40	$1,049.36

A 8,000-10,000 BTU window unit draws roughly 700-1,000 W while the compressor runs.

How much does it cost to run a window air conditioner in North Dakota?

At 900 W and 13.31¢/kWh: $0.12 per hour, $0.96 per day and $29.13 per month at 8 h/day.

How does North Dakota compare with other states?

The same use costs $27.84/month in Nevada (cheapest) and $103.27/month in Hawaii (most expensive); the US average is $39.75.

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

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