Data through June 2026
Cost to run · Idaho · 14.4¢/kWh residential average
How much does it cost to run a room air conditioner in Idaho?
$76/yr · median certified model
Idaho's 14.4¢/kWh rate undercuts the national average by 22%, so the typical certified room air conditioner costs roughly $76 a year here instead of $98.
Idaho ranks 10 of 51 jurisdictions for room air conditioner running costs — solidly mid-table. Model choice matters as much as geography: at Idaho rates the most efficient certified model (Brothers 102372) costs $37 a year while the most power-hungry (Friedrich KCVL36B30A) costs $301 — a spread of $264 every year. 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 Idaho rates
| # | Model | kWh/yr | $/yr in ID |
|---|---|---|---|
| 1 | Brothers 102372 | 260 | $37 |
| 2 | Midea MWEUWA-05CRFN8-BCN4 | 260 | $37 |
| 3 | Vissani VAW05V1KWT | 260 | $37 |
| 4 | TCL T05WV9M | 274 | $39 |
| 5 | TCL T05WV9MB | 274 | $39 |
| 6 | TCL T05WV9R | 274 | $39 |
| 7 | TCL T05WV9RB | 274 | $39 |
| 8 | TCL W5WC72 | 274 | $39 |
| 9 | TCL W5WC72-B | 274 | $39 |
| 10 | TCL W5WC72M | 274 | $39 |
Price any model at Idaho rates
Your rate, your numbers
- Per day
- 21¢
- Per month
- $6.37
- Per year
- $76
532 kWh/yr × 14.4¢/kWh = $76/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 Idaho?
- About $76 a year for the median ENERGY STAR certified room air conditioner, at Idaho's average residential rate of 14.4¢/kWh — that's $6.37 a month.
- Is electricity expensive in Idaho?
- Idaho's residential average of 14.4¢/kWh is 22% below the U.S. average of 18.3¢/kWh, ranking 10 of 51 jurisdictions (1 = cheapest).
- What's the cheapest room air conditioner to run in Idaho?
- Among currently certified models, the Brothers 102372 costs the least at about $37 a year at Idaho rates (260 kWh/yr).
- How does Idaho 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). Idaho sits at $76.
Keep digging
- All certified room air conditioners compared
- Room Air Conditioners costs in Kentucky (rank 8 of 51)
- Room Air Conditioners costs in Oklahoma (rank 9 of 51)
- Room Air Conditioners costs in North Carolina (rank 11 of 51)
- Room Air Conditioners costs in Mississippi (rank 12 of 51)
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- Running a clothes washer in Idaho
- Running a computer monitor in Idaho
Rate source: US EIA, average residential price of electricity, see methodology.