Data through April 2026
Cost to run · New Hampshire · 27.2¢/kWh residential average
How much does it cost to run a room air conditioner in New Hampshire?
$145/yr · median certified model
Electricity in New Hampshire is genuinely expensive — 27.2¢/kWh, 45% above the national average — so the median certified room air conditioner costs about $145 a year, and efficiency differences between models turn into real money.
In the national ranking, New Hampshire lands at 43 of 51 for what a room air conditioner costs to run. At local rates, certified models span $75 (TCL T05WV9M) to $571 (Friedrich KCVL36B30A) per year — $496 of annual headroom that depends entirely on which unit you buy. 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 New Hampshire rates
| # | Model | kWh/yr | $/yr in NH |
|---|---|---|---|
| 1 | TCL T05WV9M | 274 | $75 |
| 2 | TCL T05WV9MB | 274 | $75 |
| 3 | TCL T05WV9R | 274 | $75 |
| 4 | TCL T05WV9RB | 274 | $75 |
| 5 | TCL W5WC72 | 274 | $75 |
| 6 | TCL W5WC72-B | 274 | $75 |
| 7 | TCL W5WC72M | 274 | $75 |
| 8 | TCL W5WC72M-B | 274 | $75 |
| 9 | LG LW6023IVSMmost efficient | 290 | $79 |
| 10 | Midea MAW06U1QWTmost efficient | 298 | $81 |
Price any model at New Hampshire rates
Your rate, your numbers
- Per day
- 40¢
- Per month
- $12.08
- Per year
- $145
532 kWh/yr × 27.2¢/kWh = $145/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 New Hampshire?
- About $145 a year for the median ENERGY STAR certified room air conditioner, at New Hampshire's average residential rate of 27.2¢/kWh — that's $12.07 a month.
- Is electricity expensive in New Hampshire?
- New Hampshire's residential average of 27.2¢/kWh is 45% above the U.S. average of 18.8¢/kWh, ranking 43 of 51 jurisdictions (1 = cheapest).
- What's the cheapest room air conditioner to run in New Hampshire?
- Among currently certified models, the TCL T05WV9M costs the least at about $75 a year at New Hampshire rates (274 kWh/yr).
- How does New Hampshire 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). New Hampshire sits at $145.
Keep digging
- All certified room air conditioners compared
- Room Air Conditioners costs in Vermont (rank 41 of 51)
- Room Air Conditioners costs in District of Columbia (rank 42 of 51)
- Room Air Conditioners costs in Alaska (rank 44 of 51)
- Room Air Conditioners costs in Rhode Island (rank 45 of 51)
- Running an air purifier in New Hampshire
- Running a clothes dryer in New Hampshire
- Running a clothes washer in New Hampshire
- Running a computer monitor in New Hampshire
Rate source: US EIA, average residential price of electricity, see methodology.