Data through April 2026
Cost to run · Massachusetts · 29.4¢/kWh residential average
How much does it cost to run a room air conditioner in Massachusetts?
$157/yr · median certified model
At 29.4¢/kWh, Massachusetts ranks among the priciest states for power. The typical certified room air conditioner runs about $157 annually here, which makes choosing an efficient model worth actual dollars, not rounding error.
Only 4 jurisdictions cost more: Massachusetts ranks 47 of 51 for running a room air conditioner. At local rates, certified models span $81 (TCL T05WV9M) to $617 (Friedrich KCVL36B30A) per year — $537 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 Massachusetts rates
| # | Model | kWh/yr | $/yr in MA |
|---|---|---|---|
| 1 | TCL T05WV9M | 274 | $81 |
| 2 | TCL T05WV9MB | 274 | $81 |
| 3 | TCL T05WV9R | 274 | $81 |
| 4 | TCL T05WV9RB | 274 | $81 |
| 5 | TCL W5WC72 | 274 | $81 |
| 6 | TCL W5WC72-B | 274 | $81 |
| 7 | TCL W5WC72M | 274 | $81 |
| 8 | TCL W5WC72M-B | 274 | $81 |
| 9 | LG LW6023IVSMmost efficient | 290 | $85 |
| 10 | Midea MAW06U1QWTmost efficient | 298 | $88 |
Price any model at Massachusetts rates
Your rate, your numbers
- Per day
- 43¢
- Per month
- $13.06
- Per year
- $157
532 kWh/yr × 29.4¢/kWh = $157/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 Massachusetts?
- About $157 a year for the median ENERGY STAR certified room air conditioner, at Massachusetts's average residential rate of 29.4¢/kWh — that's $13.05 a month.
- Is electricity expensive in Massachusetts?
- Massachusetts's residential average of 29.4¢/kWh is 56% above the U.S. average of 18.8¢/kWh, ranking 47 of 51 jurisdictions (1 = cheapest).
- What's the cheapest room air conditioner to run in Massachusetts?
- Among currently certified models, the TCL T05WV9M costs the least at about $81 a year at Massachusetts rates (274 kWh/yr).
- How does Massachusetts 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). Massachusetts sits at $157.
Keep digging
- All certified room air conditioners compared
- Room Air Conditioners costs in Rhode Island (rank 45 of 51)
- Room Air Conditioners costs in Maine (rank 46 of 51)
- Room Air Conditioners costs in New York (rank 48 of 51)
- Room Air Conditioners costs in Connecticut (rank 49 of 51)
- Running an air purifier in Massachusetts
- Running a clothes dryer in Massachusetts
- Running a clothes washer in Massachusetts
- Running a computer monitor in Massachusetts
Rate source: US EIA, average residential price of electricity, see methodology.