Cost to run a central air conditioner in Mississippi

$0.51/hour

Central Air Conditioner at 3,500 W in Mississippi (14.43¢/kWh) · $122.83/month at 8 h/day

By hours of use

Use	Per day	Per month	Per year
1 h/day	$0.51	$15.35	$184.34
2 h/day	$1.01	$30.71	$368.69
4 h/day	$2.02	$61.41	$737.37
8 h/day	$4.04	$122.83	$1,474.75
12 h/day	$6.06	$184.24	$2,212.12
24 h/day	$12.12	$368.48	$4,424.24

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 Mississippi?

At 3,500 W and 14.43¢/kWh: $0.51 per hour, $4.04 per day and $122.83 per month at 8 h/day.

How does Mississippi 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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