Data through June 2026
Running cost · Room Air Conditioners · ENERGY STAR certified
TCL T15WQ2S
Under the DOE test basis of 750 hours a year, the TCL T15WQ2S draws 781 kWh — about $143 at the U.S. average rate, concentrated in the months you actually run it. Even among certified models it's on the thirsty end: 47% more electricity than the median room air conditioner, ranked 378 of 439. The same unit costs $102 a year in Nevada but $412 in Hawaii — electricity rates, not the appliance, make the difference.
Uses 35% less energy than the U.S. federal minimum
Dimensions 15.3" H × 26" W × 27.5" D, 102 lb
Estimated annual running cost · U.S. average rate 18.3¢/kWh
$143/yr
- Per month
- $11.94
- Per day
- 39¢
- Certified use
- 781 kWh/yr
- Cooling capacity
- 15,000 BTU/hr
- CEER
- 14.4
- Mounting
- Straddles Window
- Variable-speed compressor
- Yes
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 16.4¢ | $128 | |
| Alaska | 28.2¢ | $220 | |
| Arizona | 15.2¢ | $119 | |
| Arkansas | 14.1¢ | $110 | |
| California | 34.7¢ | $271 | |
| Colorado | 17.1¢ | $134 | |
| Connecticut | 24.3¢ | $190 | |
| Delaware | 19.3¢ | $151 | |
| District of Columbia | 24.4¢ | $191 | |
| Florida | 15.1¢ | $118 | |
| Georgia | 16.4¢ | $128 | |
| Hawaiipriciest | 52.7¢ | $412 | |
| Idaho | 14.4¢ | $112 | |
| Illinois | 19.9¢ | $155 | |
| Indiana | 17.5¢ | $137 | |
| Iowa | 15.9¢ | $124 | |
| Kansas | 15.7¢ | $123 | |
| Kentucky | 14.3¢ | $111 | |
| Louisiana | 13.5¢ | $105 | |
| Maine | 29.6¢ | $231 | |
| Maryland | 21.8¢ | $171 | |
| Massachusetts | 29.6¢ | $231 | |
| Michigan | 23.0¢ | $180 | |
| Minnesota | 17.5¢ | $137 | |
| Mississippi | 14.9¢ | $116 | |
| Missouri | 16.2¢ | $127 | |
| Montana | 15.1¢ | $118 | |
| Nebraska | 13.3¢ | $104 | |
| Nevadacheapest | 13.1¢ | $102 | |
| New Hampshire | 27.0¢ | $211 | |
| New Jersey | 24.9¢ | $195 | |
| New Mexico | 15.1¢ | $118 | |
| New York | 29.5¢ | $230 | |
| North Carolina | 14.7¢ | $115 | |
| North Dakota | 14.1¢ | $110 | |
| Ohio | 19.2¢ | $150 | |
| Oklahoma | 14.3¢ | $112 | |
| Oregon | 16.3¢ | $128 | |
| Pennsylvania | 21.7¢ | $170 | |
| Rhode Island | 29.2¢ | $228 | |
| South Carolina | 15.6¢ | $121 | |
| South Dakota | 15.4¢ | $120 | |
| Tennessee | 14.1¢ | $110 | |
| Texas | 15.9¢ | $125 | |
| Utah | 13.4¢ | $104 | |
| Vermont | 24.4¢ | $191 | |
| Virginia | 17.2¢ | $135 | |
| Washington | 14.9¢ | $116 | |
| West Virginia | 15.4¢ | $121 | |
| Wisconsin | 19.6¢ | $153 | |
| Wyoming | 15.2¢ | $119 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Friedrich CCV15A10A | 781 | $143 |
| TCL H15W4KW | 781 | $143 |
| TCL H15W4KW-CA | 781 | $143 |
| Whirlpool WHAW-151IN | 781 | $143 |
| Friedrich WCVT12B10A | 767 | $141 |
| Brothers 102395most efficient | 755 | $139 |
Run your own numbers
Your rate, your numbers
- Per day
- 39¢
- Per month
- $11.94
- Per year
- $143
781 kWh/yr × 18.3¢/kWh = $143/yr
Prefilled with this model's certified 781 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh assumes 750 cooling hours per year (the DOE standard). In hot climates real usage can run well above that; in mild ones, below.
Certified variants covered by this entry
T15WQ2S · T15WQ2S
Questions, answered with the data
- How much electricity does the TCL T15WQ2S use?
- ENERGY STAR certifies the TCL T15WQ2S at 781 kWh per year. The certified annual kWh assumes 750 cooling hours per year (the DOE standard). In hot climates real usage can run well above that; in mild ones, below.
- How much does the TCL T15WQ2S cost to run per month?
- About $11.94 a month at the U.S. average residential rate (18.3¢/kWh) — 39¢ a day, or $143 a year. Your state's rate moves this up or down; see the table above.
- Is the TCL T15WQ2S energy efficient?
- It uses 47% more electricity than the median certified room air conditioner, which puts it among the least efficient certified models.
- What does the TCL T15WQ2S cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $102 a year in Nevada (13.1¢/kWh) and $412 in Hawaii (52.7¢/kWh).
- Does this figure cover other model numbers?
- Yes — 2 certified retail variants (color, finish, and store-specific SKUs) share this exact energy certification. They're listed under "Certified variants" on this page.