Appliances / Window air conditioners / Midea
Midea MAW18RV1KWT
18,000 BTU · Window room air conditioner
Check the price at the store, then add $1,535 of electricity to get the true cost. We may earn a commission if you buy through these links.
- Price. Check what it costs at the store.
- Plus running cost. Add $1,535 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 MAW18RV1KWT
The Midea MAW18RV1KWT is a 18,000 BTU window room air conditioner certified by ENERGY STAR. Its official test figure is 844 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $154 a year, or $1,535 over a typical 10-year life.
That is 50% less energy than the federal maximum for this type of air conditioner (1,688 kWh a year), a saving of about $154 a year compared with a model that only just meets the standard.
Among 492 window models it ranks #429 for running cost. The cheapest model of this type would save $1,062 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 K�hl KCVS16B30B uses 722 kWh a year and would save about $222 over 10 years.
Cost to run where you live
844 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 very large rooms (over 15,000 btu) model ranked.
| K�hl KCVS16B30B | 15400 BTU | $131/yr | saves $222 |
Specs
| Brand | Midea |
| Model | MAW18RV1KWT |
| Type | Window |
| Energy use | 844 kWh / year |
| Federal maximum for this type | 1688 kWh / year |
| Size | 18,000 BTU |
| Width | 25.4 in |
| Efficiency (CEER) | 16 |
| Mounting | Does Not Straddle Window or Windowsill |
| Voltage | 230 V |
| Inverter (variable speed) | Yes |
| Heat mode | No |
| Refrigerant | R-32 |
| Height | 17.9 in |
| Depth | 23.6 in |
| Weight | 94.4 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 MAW18RV1KWT cost to run?
About $154 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 844 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 MAW18RV1KWT cost in electricity over its life?
About $1,535 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 MAW18RV1KWT energy efficient?
Yes. It is ENERGY STAR certified and uses 50% 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 K�hl KCVS16B30B uses 722 kWh a year, about $222 less in electricity over 10 years.
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