Appliances / Window air conditioners / Midea
Midea MW12MSWBA5RCM
12,000 BTU · Window room air conditioner
Check the price at the store, then add $1,091 of electricity to get the true cost. We may earn a commission if you buy through these links; as an Amazon Associate we earn from qualifying purchases.
- Price. Check what it costs at the store.
- Plus running cost. Add $1,091 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 Midea MW12MSWBA5RCM
The Midea MW12MSWBA5RCM is a 12,000 BTU window room air conditioner certified by ENERGY STAR. Its official test figure is 600 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $109 a year, or $1,091 over a typical 10-year life.
That is 38% less energy than the federal maximum for this type of air conditioner (968 kWh a year), a saving of about $67 a year compared with a model that only just meets the standard.
Among 492 window models it ranks #347 for running cost. The cheapest model of this type would save $618 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 GE Profile PHNT10CCH1 uses 526 kWh a year and would save about $135 over 10 years.
Cost to run where you live
600 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.
| GE Profile PHNT10CCH1 | 10300 BTU | $96/yr | saves $135 |
| K�hl+ KHVS10B11B | 10600 BTU | $96/yr | saves $127 |
| Hisense AW-12TW1RZAU70 | 11500 BTU | $98/yr | saves $111 |
| Hisense AWUS1227TW | 11500 BTU | $98/yr | saves $111 |
Specs
| Brand | Midea |
| Model | MW12MSWBA5RCM |
| Type | Window |
| Energy use | 600 kWh / year |
| Federal maximum for this type | 968 kWh / year |
| Size | 12,000 BTU |
| Width | 19.2 in |
| Efficiency (CEER) | 15 |
| Mounting | Straddles Window |
| Voltage | 115 V |
| Inverter (variable speed) | Yes |
| Heat mode | No |
| Refrigerant | R-32 |
| Height | 13.5 in |
| Depth | 22.0 in |
| Weight | 53.1 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 MW12MSWBA5RCM cost to run?
About $109 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 600 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 MW12MSWBA5RCM cost in electricity over its life?
About $1,091 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 MW12MSWBA5RCM 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 GE Profile PHNT10CCH1 uses 526 kWh a year, about $135 less in electricity over 10 years.
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