Data through June 2026
Cost to run · Connecticut · 24.3¢/kWh residential average
How much does it cost to run a room air conditioner in Connecticut?
$129/yr · median certified model
Connecticut pays 24.3¢/kWh for residential power — 33% above the national average — lifting the median certified room air conditioner to about $129 a year, versus $98 nationally.
In the national ranking, Connecticut lands at 40 of 51 for what a room air conditioner costs to run. At local rates, certified models span $63 (Brothers 102372) to $510 (Friedrich KCVL36B30A) per year — $446 of annual headroom that depends entirely on which unit you buy. For reference, the national extremes are Nevada (13.1¢/kWh) and Hawaii (52.7¢/kWh); the same median room air conditioner would cost $70 and $280 a year there.
The cheapest room air conditioners to run at Connecticut rates
| # | Model | kWh/yr | $/yr in CT |
|---|---|---|---|
| 1 | Brothers 102372 | 260 | $63 |
| 2 | Midea MWEUWA-05CRFN8-BCN4 | 260 | $63 |
| 3 | Vissani VAW05V1KWT | 260 | $63 |
| 4 | TCL T05WV9M | 274 | $67 |
| 5 | TCL T05WV9MB | 274 | $67 |
| 6 | TCL T05WV9R | 274 | $67 |
| 7 | TCL T05WV9RB | 274 | $67 |
| 8 | TCL W5WC72 | 274 | $67 |
| 9 | TCL W5WC72-B | 274 | $67 |
| 10 | TCL W5WC72M | 274 | $67 |
Price any model at Connecticut rates
Your rate, your numbers
- Per day
- 35¢
- Per month
- $10.78
- Per year
- $129
532 kWh/yr × 24.3¢/kWh = $129/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 Connecticut?
- About $129 a year for the median ENERGY STAR certified room air conditioner, at Connecticut's average residential rate of 24.3¢/kWh — that's $10.78 a month.
- Is electricity expensive in Connecticut?
- Connecticut's residential average of 24.3¢/kWh is 33% above the U.S. average of 18.3¢/kWh, ranking 40 of 51 jurisdictions (1 = cheapest).
- What's the cheapest room air conditioner to run in Connecticut?
- Among currently certified models, the Brothers 102372 costs the least at about $63 a year at Connecticut rates (260 kWh/yr).
- How does Connecticut compare with other states?
- The same median room air conditioner costs $70 a year in Nevada (the cheapest state) and $280 in Hawaii (the priciest). Connecticut sits at $129.
Keep digging
- All certified room air conditioners compared
- Room Air Conditioners costs in Maryland (rank 38 of 51)
- Room Air Conditioners costs in Michigan (rank 39 of 51)
- Room Air Conditioners costs in District of Columbia (rank 41 of 51)
- Room Air Conditioners costs in Vermont (rank 42 of 51)
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- Running a clothes washer in Connecticut
- Running a computer monitor in Connecticut
Rate source: US EIA, average residential price of electricity, see methodology.