EnergyCostHub

Room Air Conditioners / Pennsylvania

Cost to run a room air conditioner in Pennsylvania

A typical ENERGY STAR room air conditioner costs about $115.53 a year to run in Pennsylvania, or $9.63 a month, at the state’s average residential price of 21.72 cents per kWh (July 2026).

Typical yearly cost
$115.53
Over ten years
$1155 today’s price
Price in Pennsylvania
21.72 ¢/kWh

“Typical” means the median annual energy use of 556 current ENERGY STAR certified room air conditioners (532 kWh a year), multiplied by the price. It is a standardized figure, not a measurement of your home.

By type of room air conditioner

TypeModelsMedian kWh/yrCost per yearPer monthRange per year
Window491500$108.60$9.05$56.56 to $455.32
Through the Wall65648$140.64$11.72$92.42 to $217.20

Costs use each type’s median listing; the range runs from its lowest to its highest listed energy use. Source: ENERGY STAR certified room air conditioners dataset (EPA) and EIA residential prices.

How Pennsylvania compares

Pennsylvania’s average residential price is 35% above the median US state, ranking 14 of 51 from highest to lowest. The same typical room air conditioner would cost $67.66 a year in Louisiana, the cheapest state, and $255.31 in Hawaii, the most expensive. Over the last 12 months Pennsylvania’s price rose 11.3%.

Cost to run a room air conditioner in every state · Pennsylvania electricity price history · Replacing an old room air conditioner? Savings calculator

Lowest running cost by type

The published model with the lowest listed annual energy use in each type, with its cost at Pennsylvania’s price:

These are the lowest among the models published on this site, not among every certified model. Browse all room air conditioners by energy use.

Questions

How much does it cost to run a room air conditioner in Pennsylvania?

A typical ENERGY STAR room air conditioner (the median of 556 current listings, 531.9 kWh a year) costs about $115.53 a year, or $9.63 a month, at Pennsylvania's average residential price of 21.72 cents per kWh. By type it ranges from $108.60 (window) to $140.64 (through the wall).

Is electricity expensive in Pennsylvania?

Pennsylvania's average residential price is 21.72 cents per kWh (July 2026, EIA), 35% above the median state and 14 of 51 when states are ranked from highest to lowest price. The same typical room air conditioner would cost $67.66 a year in Louisiana, the cheapest state, and $255.31 in Hawaii.

Will my room air conditioner cost the same?

Probably not exactly. The annual figure is a standardized ENERGY STAR value, and your own price per kWh may differ from the statewide average. Enter your rate in the calculator on any room air conditioner page for a closer number.

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