How much does a portable air conditioner cost per month in Nevada?

About $8.99 a month, assuming 1,100 W at a 80% duty cycle, 8 hours a day, 120 days a year at 12.77¢/kWh.

How many kilowatt-hours does a portable air conditioner use?

Roughly 845 kWh a year under these assumptions, or 0.88 kWh for every hour it runs.

Is that expensive compared with other states?

Nevada has the 2nd cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $155 a year.

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Cost to run a portable air conditioner in Nevada (July 2026 rates)

At 12.77¢ per kilowatt-hour — Nevada's average residential price in July 2026 — running a portable air conditioner costs $108 a year. That is 30% less than the national average of $155. Nevada's residential rate is up 3.1% from July 2025, which moves this appliance from $105 to $108 a year.

Per hour: 11.2¢
Per day of use: 89.9¢
Per month: $8.99
Per year: $108

Assumption: 1,100 W at a 80% duty cycle, 8 hours a day, 120 days a year — 845 kWh a year. Single-hose portables push conditioned air out of the room and pull unconditioned air in through every crack to replace it, so real-world runtime is longer than the spec sheet implies. Use the calculator to swap in the numbers from your own model.

How Nevada compares

Nevada pays 12.77¢/kWh, the 2nd cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $46.80 less a year than the typical U.S. household pays for the same use. Running the same portable air conditioner costs $107 a year in Louisiana and $406 in Hawaii, so where you live changes this bill by $298 a year.

State	Rate	Per month	Per year
Louisiana	12.72¢	$8.95	$107
Nevada	12.77¢	$8.99	$108
Utah	13.12¢	$9.24	$111
North Dakota	13.41¢	$9.44	$113
Tennessee	13.71¢	$9.65	$116

States ranked by average residential price, cheapest first. See all 51 states for a portable air conditioner.

What else costs about the same in Nevada

Space heater$110 a year in NV Garage refrigerator$115 a year in NV Electric clothes dryer$99.61 a year in NV

Cutting the number down

A dual-hose model draws outdoor air for condenser cooling instead of depressurizing your room. It is the biggest efficiency difference in this category.
Insulating the exhaust hose keeps rejected heat from radiating straight back into the room you just cooled.
For the same BTU rating, a window unit almost always costs less to run than a portable.

Questions

How much does a portable air conditioner cost per month in Nevada?: About $8.99 a month, assuming 1,100 W at a 80% duty cycle, 8 hours a day, 120 days a year at 12.77¢/kWh.
How many kilowatt-hours does a portable air conditioner use?: Roughly 845 kWh a year under these assumptions, or 0.88 kWh for every hour it runs.
Is that expensive compared with other states?: Nevada has the 2nd cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $155 a year.