10,000 BTU U-shaped window air conditioner
TCL T10WV3S
Very good efficiency for its size: a CEER of 16.0 ranks #8 of 28 10,000 BTU window air conditioners.
It cools a room of about 350-450 sq ft, draws about 625 watts and costs about $85 a year to run at typical U.S. use and prices.
- CEER
- 16.0 Combined efficiency, higher is betterVery good · beats 77%
- Cooling
- 10,000 BTU/hFor about 350-450 sq ft
- Energy use
- 469 kWh/yr47% less than the federal minimum
- Unit size
- 19.8" wide 15.2" high, 21.5" deep, 50 lb
A good fit if…
- You want low bills - its CEER beats 77% of 10,000 BTU window air conditioners.
- You want a quieter room and a usable window - the window closes into the U, so the compressor sits outside the glass.
- You want to plug it into an ordinary outlet - it runs on 115 V.
- You want the very top tier - it meets the ENERGY STAR Most Efficient criteria.
Think twice if…
- You also need heat - it cools only.
Calculate my running costCheck the size for my room
Details
Specifications
| General | |
|---|---|
| Brand | TCL |
| Model number | T10WV3S |
| Type | Window |
| Design | U-shaped (window closes through it) |
| Heating | No, cooling only |
| Compressor | Variable speed (inverter) |
| Voltage | 115 V (standard outlet) |
| Refrigerant | R-32 (GWP 675) |
| Support bracket included | Yes |
| On the market since | November 11, 2025 |
| Last certified | November 11, 2025 |
| Performance | |
| Cooling capacity | 10,000 BTU/h |
| CEERCombined energy efficiency ratio, includes standby power | 16.0 |
| Yearly energy useENERGY STAR test: 750 hours | 469 kWh |
| Better than federal minimum | 47% less energy |
| ENERGY STAR Most Efficient | Yes |
| Size | |
| Width × height × depth | 19.8" W × 15.2" H × 21.5" D |
| Weight | 50 lb |
How it compares with 27 other 10,000 BTU window units
- CEER (class median 15.0)16.0, tied with 6 others
- Yearly cost vs. class median ($90)$6 less
- Width 19.8" (class median 20.3")narrower than 52%
- Weight 50 lb (class median 63 lb)lighter than 85%
- Rank among 9 similar designs (U-shaped)#2
Compared with the other ENERGY STAR certified 10,000 BTU window units. Yearly cost at 750 hours and 18.0¢/kWh.
Same unit, other model numbers
Questions
- How many square feet does the TCL T10WV3S cool?
- At 10,000 BTU/h it suits a room of about 350 to 450 sq ft with normal sun and two people, following the ENERGY STAR sizing guide. In a heavily shaded room that stretches to about 385-495 sq ft; in a very sunny one it shrinks to 315-405 sq ft. A kitchen needs 4,000 BTU more.
- How many watts and amps does the TCL T10WV3S use?
- About 625 watts at full power (10,000 BTU/h divided by its CEER of 16.0), which is 5.4 amps at 115 V. That is 42 W less than the typical unit in its class (667 W), or $6 a year cheaper to run at 18.0¢/kWh. Its inverter compressor slows down instead of cycling, so real use is usually lower. Its CEER beats 64% of the 28 units in the class.
- Can the TCL T10WV3S run on a standard outlet?
- Yes. It runs on 115 V and draws about 5.4 A, well inside a standard 15 A outlet, but do not share the circuit with a space heater, microwave or other big load. Every certified unit in this class is 115 V.
- What are the dimensions of the TCL T10WV3S, and will it fit my window?
- 19.8" W × 15.2" H × 21.5" D, 50 lb. It is narrower than 52% of its 27 competitors and lighter than 85% of them. The window closes into the U-shaped slot, so measure the opening height as well as the width: you need at least the unit's 19.8" width between the frame sides.
- Is the TCL T10WV3S U-shaped design an advantage?
- Mostly yes. The sash closes into the unit, so the window stays sealed and daylight comes in, and the compressor is outside the glass, which cuts noise indoors. The trade-off is a window that must slide up and down, and a few extra steps to fit the foam seals.
- Can the TCL T10WV3S also heat the room?
- No, it only cools. If you also need heat, 6 certified units in this class can do both; see the list of air conditioners with heat.
- Is the TCL T10WV3S worth buying to replace an old air conditioner?
- An old unit of the same size at 9 CEER would cost about $150 a year to run at 750 hours and 18.0¢/kWh; this one costs about $85, so it saves roughly $66 a year.
- Is the TCL T10WV3S the same as the TCL T10WV9S?
- As far as the certified data goes, yes. ENERGY STAR lists 5 model numbers with the same capacity, efficiency, energy use, dimensions and weight, which means the same unit sold under another brand or with a different colour or retailer code. The full list is on this page.
Running cost calculator
Pre-filled with this model. Pick your state and how many hours you run it, or see the yearly cost in every state.
Closest alternatives
Units with a similar CEER in the same class, and what sets each one apart from the TCL T10WV3S.
| Model | CEER | Compared with this one |
|---|---|---|
| Frigidaire Gallery GHWW105TF1 | 16.0 | same CEER, 0.6" narrower, 8 lb heavier, standard box |
| GE PWJV10W | 16.0 | same CEER, 0.8" narrower, 20 lb heavier, standard box |
| Midea MAW10V1WWT | 16.0 | same CEER, 0.8" narrower, standard box |
| Midea 1010451479 | 16.0 | same CEER, 0.6" narrower, 5 lb heavier |
| Whirlpool WHAW101CX | 16.0 | same CEER, 1.2" narrower, 7 lb lighter |
See all 28 10,000 BTU window air conditioners, ranked
Source: ENERGY STAR Certified Room Air Conditioners (U.S. EPA), certification of November 11, 2025. How we use the data.