Data through April 2026
Cost to run · Pennsylvania · 21.5¢/kWh residential average
How much does it cost to run a room air conditioner in Pennsylvania?
$114/yr · median certified model
Pennsylvania pays 21.5¢/kWh for residential power — 14% above the national average — lifting the median certified room air conditioner to about $114 a year, versus $100 nationally.
In the national ranking, Pennsylvania lands at 38 of 51 for what a room air conditioner costs to run. Model choice matters as much as geography: at Pennsylvania rates the most efficient certified model (TCL T05WV9M) costs $59 a year while the most power-hungry (Friedrich KCVL36B30A) costs $450 — a spread of $391 every year. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median room air conditioner would cost $66 and $248 a year there.
The cheapest room air conditioners to run at Pennsylvania rates
| # | Model | kWh/yr | $/yr in PA |
|---|---|---|---|
| 1 | TCL T05WV9M | 274 | $59 |
| 2 | TCL T05WV9MB | 274 | $59 |
| 3 | TCL T05WV9R | 274 | $59 |
| 4 | TCL T05WV9RB | 274 | $59 |
| 5 | TCL W5WC72 | 274 | $59 |
| 6 | TCL W5WC72-B | 274 | $59 |
| 7 | TCL W5WC72M | 274 | $59 |
| 8 | TCL W5WC72M-B | 274 | $59 |
| 9 | LG LW6023IVSMmost efficient | 290 | $62 |
| 10 | Midea MAW06U1QWTmost efficient | 298 | $64 |
Price any model at Pennsylvania rates
Your rate, your numbers
- Per day
- 31¢
- Per month
- $9.52
- Per year
- $114
532 kWh/yr × 21.5¢/kWh = $114/yr
Prefilled with the median certified room air conditioner (532 kWh/yr). Every model page on this site carries its exact certified figure.
Questions, answered with the data
- How much does it cost to run a room air conditioner in Pennsylvania?
- About $114 a year for the median ENERGY STAR certified room air conditioner, at Pennsylvania's average residential rate of 21.5¢/kWh — that's $9.52 a month.
- Is electricity expensive in Pennsylvania?
- Pennsylvania's residential average of 21.5¢/kWh is 14% above the U.S. average of 18.8¢/kWh, ranking 38 of 51 jurisdictions (1 = cheapest).
- What's the cheapest room air conditioner to run in Pennsylvania?
- Among currently certified models, the TCL T05WV9M costs the least at about $59 a year at Pennsylvania rates (274 kWh/yr).
- How does Pennsylvania compare with other states?
- The same median room air conditioner costs $66 a year in North Dakota (the cheapest state) and $248 in Hawaii (the priciest). Pennsylvania sits at $114.
Keep digging
- All certified room air conditioners compared
- Room Air Conditioners costs in Illinois (rank 36 of 51)
- Room Air Conditioners costs in Michigan (rank 37 of 51)
- Room Air Conditioners costs in Maryland (rank 39 of 51)
- Room Air Conditioners costs in New Jersey (rank 40 of 51)
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- Running a clothes dryer in Pennsylvania
- Running a clothes washer in Pennsylvania
- Running a computer monitor in Pennsylvania
Rate source: US EIA, average residential price of electricity, see methodology.