Cost to run a central air conditioner in Ohio

$0.68/hour

Central Air Conditioner at 3,500 W in Ohio (19.38¢/kWh) · $164.96/month at 8 h/day

By hours of use

Use	Per day	Per month	Per year
1 h/day	$0.68	$20.62	$247.58
2 h/day	$1.36	$41.24	$495.16
4 h/day	$2.71	$82.48	$990.32
8 h/day	$5.43	$164.96	$1,980.64
12 h/day	$8.14	$247.44	$2,970.95
24 h/day	$16.28	$494.89	$5,941.91

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 Ohio?

At 3,500 W and 19.38¢/kWh: $0.68 per hour, $5.43 per day and $164.96 per month at 8 h/day.

How does Ohio 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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