Cost to run a central air conditioner in Tennessee

$0.47/hour

Central Air Conditioner at 3,500 W in Tennessee (13.42¢/kWh) · $114.23/month at 8 h/day

By hours of use

Use	Per day	Per month	Per year
1 h/day	$0.47	$14.28	$171.44
2 h/day	$0.94	$28.56	$342.88
4 h/day	$1.88	$57.12	$685.76
8 h/day	$3.76	$114.23	$1,371.52
12 h/day	$5.64	$171.35	$2,057.29
24 h/day	$11.27	$342.69	$4,114.57

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 Tennessee?

At 3,500 W and 13.42¢/kWh: $0.47 per hour, $3.76 per day and $114.23 per month at 8 h/day.

How does Tennessee 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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