Editor's pick
WindowENERGY STAR
LG Dual Inverter LW1022IVSM
Cooling
10,000 BTU
Covers
450 ft²
Efficiency
15 CEER
Noise
44 dB
$429 est.
typical retail price Window ENERGY STAR
TCL 10W3E1-A 10,000 BTU
by TCL · Model 10W3E1-A
A high-value 10K workhorse with thousands of fans — big-room cooling without the big-brand markup.
Cooling
10,000 BTU
Covers
450 ft²
Efficiency
12 CEER
Noise
54 dB
$289 est.
typical street price · via Amazon Is 10,000 BTU right for your room? Run the sizing calculator
Strengths & trade-offs
Pros
- Strong value per BTU
- 8-way directional vents
- Energy Star certified
Cons
- No Wi-Fi connectivity
- Fan can drone on high
What the TCL 10W3E1-A 10,000 BTU costs to run
Estimated from this unit's 12 CEER rating at 8 hours/day of cooling, using average residential electricity rates for each US climate zone. Your usage and utility rate will shift these numbers — run the calculator for your exact room.
| Climate zone | Example regions | Est. cost / month |
|---|---|---|
| Cool North | Pacific NW, Upper Midwest, New England | $32 /mo |
| Mixed / Temperate | Mid-Atlantic, Midwest, Mountain | $34 /mo |
| Hot & Humid | Southeast, Gulf Coast, Texas | $28 /mo |
| Hot & Dry | Southwest, Desert | $30 /mo |
Full specifications
| Type | Window air conditioner |
| Cooling capacity | 10,000 BTU |
| Rated coverage | 450 ft² |
| Efficiency | 12 CEER |
| Noise (low) | 54 dB |
| Smart features | None |
| ENERGY STAR | Yes |
| Model number | 10W3E1-A |
| Typical street price | $289 |
Specs from manufacturer data; price and ratings are snapshots and may vary. See how we evaluate. Data last reviewed June 2026.
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Covers
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Efficiency
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Noise
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