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Window AC unit Electricity Cost in South Carolina — $36.98/month (2026)

South Carolina monthly
$36.98
U.S. average monthly
$43.15
Difference
-$6.16

← Window AC unit (all states) · South Carolina electricity rate

Quick rate
Daily cost
$1.23
Monthly cost
$36.98
+$0.00 vs typical
Yearly cost
$449.97
kWh / month
240.0 kWh
Local monthly estimate: $36.98 · U.S. average equivalent: $43.15
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Quick answer

Running a typical window ac unit in South Carolina costs about $1.23/day or $36.98/month at roughly $0.154/kWh, assuming 8 hours of use per day at 1000 W. The U.S. average rate is about $0.180/kWh, so South Carolina is roughly 14% lower than average for this estimate.

vs U.S. average

Local rate (South Carolina)
$0.154/kWh
Monthly estimate: $36.98
U.S. average rate
$0.180/kWh
Monthly estimate: $43.15
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FAQ

How many watts does a window ac unit use?
Most window ac unit units fall between 500 W and 1500 W, with 1000 W as a typical value for estimates.
What is the window ac unit wattage?
Our calculator uses 1000 W as the typical wattage, within a reported range of 500–1500 W.
How many kWh does a window ac unit use per day in South Carolina?
At 8 hours/day and 1000 W, the estimate is about 8.00 kWh per day.
How many kWh does a window ac unit use per month in South Carolina?
Using 8 hours/day, the estimate is about 240.0 kWh per month.
How many kWh does a window ac unit use per hour?
Per hour, window ac unit uses about 1.000 kWh (at 1000 W).
How much does it cost to run a window ac unit per day in South Carolina?
At typical use (1000 W and 8 hours/day), the estimate is about $1.23/day at roughly $0.154/kWh.
How much does it cost to run a window ac unit per month in South Carolina?
At typical use (1000 W and 8 hours/day), the estimate is about $36.98/month at roughly $0.154/kWh.
How much does it cost to run a window ac unit per hour in South Carolina?
Running for one hour at 1000 W costs about $0.154 per hour (using the South Carolina rate of about $0.154/kWh).
What is the window ac unit electricity cost per month in South Carolina?
For typical use, the calculator estimates about $36.98/month for window ac unit in South Carolina.
How much does window ac unit add to my electric bill in South Carolina?
At the typical South Carolina residential rate, the estimate is about 240.0 kWh per month, which corresponds to roughly $36.98/month for window ac unit.
What is the impact on electric bill of window ac unit in South Carolina?
Compared to the U.S. average, South Carolina is about 14% lower for this estimate. Monthly cost is about $36.98 in South Carolina vs $43.15 at the national average.
How to reduce window ac unit electricity cost in South Carolina?
Start with practical steps from our tips list (e.g., Seal air leaks and improve insulation to reduce run-time.). Smaller changes reduce kWh usage, which reduces the bill at your local rate.

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Est. monthly at South Carolina rate ($0.154/kWh)