Appliances / Window air conditioners / Friedrich
Friedrich KCVS12B30A
12,700 BTU · Window room air conditioner
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- Price. Check what it costs at the store.
- Plus running cost. Add $1,155 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 Friedrich KCVS12B30A
The Friedrich KCVS12B30A is a 12,700 BTU window room air conditioner certified by ENERGY STAR. Its official test figure is 635 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $116 a year, or $1,155 over a typical 10-year life.
That is 38% less energy than the federal maximum for this type of air conditioner (1,024 kWh a year), a saving of about $71 a year compared with a model that only just meets the standard.
Among 492 window models it ranks #371 for running cost. The cheapest model of this type would save $682 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 Hisense AW-12TW1RZAU70 uses 539 kWh a year and would save about $175 over 10 years.
Cost to run where you live
635 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.
| Hisense AW-12TW1RZAU70 | 11500 BTU | $98/yr | saves $175 |
| Hisense AWUS1227TW | 11500 BTU | $98/yr | saves $175 |
| BLACK+DECKER BDM12C | 12000 BTU | $102/yr | saves $131 |
| Brothers 102373 | 12000 BTU | $102/yr | saves $131 |
Specs
| Brand | Friedrich |
| Model | KCVS12B30A |
| Type | Window |
| Energy use | 635 kWh / year |
| Federal maximum for this type | 1024 kWh / year |
| Size | 12,700 BTU |
| Width | 25.9 in |
| Efficiency (CEER) | 15 |
| Mounting | Does Not Straddle Window or Windowsill |
| Voltage | 230 V |
| Inverter (variable speed) | Yes |
| Heat mode | No |
| Refrigerant | R-32 |
| Height | 15.9 in |
| Depth | 29.0 in |
| Weight | 110.0 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 Friedrich KCVS12B30A cost to run?
About $116 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 635 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 Friedrich KCVS12B30A cost in electricity over its life?
About $1,155 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 Friedrich KCVS12B30A energy efficient?
Yes. It is ENERGY STAR certified and uses 38% 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 Hisense AW-12TW1RZAU70 uses 539 kWh a year, about $175 less in electricity over 10 years.
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