Appliances / Window air conditioners / TCL
TCL T15WQ2S
15,000 BTU · Window room air conditioner
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- Price. Check what it costs at the store.
- Plus running cost. Add $1,421 of electricity over 10 years. That is the part the price tag hides.
- Compare. Pick your state below, then check the cheaper-to-run models of the same size.
About the TCL T15WQ2S
The TCL T15WQ2S is a 15,000 BTU window room air conditioner certified by ENERGY STAR. Its official test figure is 781 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $142 a year, or $1,421 over a typical 10-year life.
That is 35% less energy than the federal maximum for this type of air conditioner (1,202 kWh a year), a saving of about $77 a year compared with a model that only just meets the standard.
Among 492 window models it ranks #422 for running cost. The cheapest model of this type would save $948 in electricity over 10 years, though it may differ in size and features.
If you want the same type and a similar size for less to run, the Friedrich KCVM14B10B uses 653 kWh a year and would save about $233 over 10 years.
Cost to run where you live
781 kWh a year (ENERGY STAR test figure) × 18.19¢ per kWh, the average residential price in the U.S. for Jan–Aug 2026 (EIA). Your bill depends on your utility and how you use it.
Cheaper to run, same type and size
Or see every large rooms (over 10,000 to 15,000 btu) model ranked.
| Friedrich KCVM14B10B | 14100 BTU | $119/yr | saves $233 |
| BLACK+DECKER BDM14C | 14000 BTU | $119/yr | saves $227 |
| Frigidaire FHWW145WF1 | 14000 BTU | $119/yr | saves $227 |
| Frigidaire FHWW146WF1 | 14000 BTU | $119/yr | saves $227 |
Specs
| Brand | TCL |
| Model | T15WQ2S |
| Type | Window |
| Energy use | 781 kWh / year |
| Federal maximum for this type | 1202 kWh / year |
| Size | 15,000 BTU |
| Width | 26 in |
| Efficiency (CEER) | 14.4 |
| Mounting | Straddles Window |
| Voltage | 115 V |
| Inverter (variable speed) | Yes |
| Heat mode | No |
| Refrigerant | R-32 |
| Height | 15.3 in |
| Depth | 27.5 in |
| Weight | 102.0 lb |
Specs and energy use from the ENERGY STAR certified products list (U.S. EPA). An asterisk in a model number stands for colour or finish codes. HouseholdLeak is not affiliated with ENERGY STAR or the EPA.
Questions people ask
How much does the TCL T15WQ2S cost to run?
About $142 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 781 kWh a year. In a state with expensive power it can be much more; pick your state on this page to see your number.
How much will the TCL T15WQ2S cost in electricity over its life?
About $1,421 over 10 years, a typical life for a room air conditioner. Add that to the price you pay to get the true cost to own.
Is the TCL T15WQ2S energy efficient?
Yes. It is ENERGY STAR certified and uses 35% less energy than the federal maximum for its type.
Is there a cheaper air conditioner to run of the same type and size?
Yes. The Friedrich KCVM14B10B uses 653 kWh a year, about $233 less in electricity over 10 years.
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