Appliances / Window air conditioners / Midea
Midea MAW08R1KWT-B
7,800 BTU · Window room air conditioner
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About the Midea MAW08R1KWT-B
The Midea MAW08R1KWT-B is a 7,800 BTU window room air conditioner certified by ENERGY STAR. Its official test figure is 427 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $78 a year, or $777 over a typical 10-year life.
That is 25% less energy than the federal maximum for this type of air conditioner (569 kWh a year), a saving of about $26 a year compared with a model that only just meets the standard.
Among 492 window models it ranks #158 for running cost. The cheapest model of this type would save $304 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 ZAFRO 54091EWA0-8K-ZAZ uses 373 kWh a year and would save about $98 over 10 years.
Cost to run where you live
427 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 small rooms (under 8,000 btu) model ranked.
| ZAFRO 54091EWA0-8K-ZAZ | 8100 BTU | $68/yr | saves $98 |
| BLACK+DECKER BDM08C | 8000 BTU | $68/yr | saves $95 |
| DuraSTAR DRWAC081XVB1 | 8000 BTU | $68/yr | saves $95 |
| Frigidaire FHWW085WF1 | 8000 BTU | $68/yr | saves $95 |
Specs
| Brand | Midea |
| Model | MAW08R1KWT-B |
| Type | Window |
| Energy use | 427 kWh / year |
| Federal maximum for this type | 569 kWh / year |
| Size | 7,800 BTU |
| Width | 16 in |
| Efficiency (CEER) | 13.7 |
| Mounting | Does Not Straddle Window or Windowsill |
| Voltage | 115 V |
| Inverter (variable speed) | Yes |
| Heat mode | No |
| Refrigerant | R-32 |
| Height | 12.1 in |
| Depth | 13.3 in |
| Weight | 33.1 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 Midea MAW08R1KWT-B cost to run?
About $78 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 427 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 Midea MAW08R1KWT-B cost in electricity over its life?
About $777 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 Midea MAW08R1KWT-B energy efficient?
Yes. It is ENERGY STAR certified and uses 25% 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 ZAFRO 54091EWA0-8K-ZAZ uses 373 kWh a year, about $98 less in electricity over 10 years.
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