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10,000 BTU through-the-wall air conditioner

Midea MT10VB1

Very good efficiency for its size: a CEER of 14.1 ranks #3 of 15 through-the-wall air conditioners.

It cools a room of about 350-450 sq ft, draws about 709 watts and costs about $96 a year to run at typical U.S. use and prices.

CEER
14.1 Combined efficiency, higher is better
Very good · beats 83%
Cooling
10,000 BTU/hFor about 350-450 sq ft
Energy use
532 kWh/yr47% less than the federal minimum
Unit size
24.1" wide 14.7" high, 20.9" deep, 56 lb

A good fit if…

  • You want low bills - its CEER beats 83% of through-the-wall air conditioners.
  • You want to plug it into an ordinary outlet - it runs on 115 V.
  • You want the very top tier - it meets the ENERGY STAR Most Efficient criteria.

Think twice if…

  • You also need heat - it cools only.
  • You want to mount it in a window - it needs a wall sleeve.

Calculate my running costCheck the size for my room

Details

Specifications10,000 BTU, 115 V
General
BrandMidea
Also sold asFrigidaire, Brothers, Seasons, PELONIS, PerfectAire, DuraSTAR
Model numberMT10VB1
TypeThrough-the-wall
HeatingNo, cooling only
CompressorVariable speed (inverter)
Voltage115 V (standard outlet)
RefrigerantR-32 (GWP 675)
Support bracket includedNo
On the market sinceFebruary 10, 2026
Last certifiedSeptember 29, 2026
Performance
Cooling capacity10,000 BTU/h
CEERCombined energy efficiency ratio, includes standby power14.1
Yearly energy useENERGY STAR test: 750 hours532 kWh
Better than federal minimum47% less energy
ENERGY STAR Most EfficientYes
Size
Width × height × depth24.1" W × 14.7" H × 20.9" D
Weight56 lb
How it compares with 14 other through-the-wall units#3 of 15
  • CEER (class median 13.9)14.1, tied with 2 others
  • Yearly cost vs. class median ($117)$21 less
  • Width 24.1" (class median 26.5")narrower than 64%
  • Weight 56 lb (class median 110 lb)lighter than 86%
  • Rank among 13 similar designs#3

Compared with the other ENERGY STAR certified through-the-wall units. Yearly cost at 750 hours and 18.0¢/kWh.

Same unit, other model numbers9

These model numbers have the same capacity, efficiency, energy use, dimensions and weight as the Midea MT10VB1: the same unit under another brand, or with a colour or retailer code. Everything on this page applies to them.

Questions7
How many square feet does the Midea MT10VB1 cool?
At 10,000 BTU/h it suits a room of about 350 to 450 sq ft with normal sun and two people, following the ENERGY STAR sizing guide. In a heavily shaded room that stretches to about 385-495 sq ft; in a very sunny one it shrinks to 315-405 sq ft. A kitchen needs 4,000 BTU more.
How many watts and amps does the Midea MT10VB1 use?
About 709 watts at full power (10,000 BTU/h divided by its CEER of 14.1), which is 6.2 amps at 115 V. That is 154 W less than the typical unit in its class (863 W), or $21 a year cheaper to run at 18.0¢/kWh. Its inverter compressor slows down instead of cycling, so real use is usually lower. Its CEER beats 73% of the 15 units in the class.
Can the Midea MT10VB1 run on a standard outlet?
Yes. It runs on 115 V and draws about 6.2 A, well inside a standard 15 A outlet, but do not share the circuit with a space heater, microwave or other big load. 60% of certified units in this class need 230 V, so a 115 V model is the easy case.
What are the dimensions of the Midea MT10VB1, and will it fit my window?
24.1" W × 14.7" H × 20.9" D, 56 lb. It is narrower than 64% of its 14 competitors and lighter than 86% of them. It slides into a wall sleeve, so compare the sleeve opening with the unit before buying.
Can the Midea MT10VB1 also heat the room?
No, it only cools. If you also need heat, 2 certified units in this class can do both; see the list of air conditioners with heat.
Is the Midea MT10VB1 worth buying to replace an old air conditioner?
An old unit of the same size at 9 CEER would cost about $150 a year to run at 750 hours and 18.0¢/kWh; this one costs about $96, so it saves roughly $54 a year.
Is the Midea MT10VB1 the same as the Midea MAT10R1FWTK?
As far as the certified data goes, yes. ENERGY STAR lists 10 model numbers with the same capacity, efficiency, energy use, dimensions and weight, which means the same unit sold under another brand or with a different colour or retailer code. The full list is on this page.

Running cost calculator

Pre-filled with this model. Pick your state and how many hours you run it, or see the yearly cost in every state.

1. The air conditioner Midea MT10VB1
2. How you use it
Per year
$150
Per month of use
$27
Per day
$0.91
Per hour
11.3¢
Power draw
709 W

Electricity used: 936 kWh a yearAn old 9 CEER unit of the same size would cost $235

Power draw is capacity divided by CEER, which already includes standby power. Inverter units often run below full power, so real use can be lower. Electricity prices: U.S. EIA residential averages (12 months to July 2026). Days a year start from your state's cooling degree days (NOAA 1991-2020 normals).

Closest alternatives

Units with a similar CEER in the same class, and what sets each one apart from the Midea MT10VB1.

ModelCEERCompared with this one
Friedrich WCVT10B10B14.20.1 CEER higher, 2.4" wider, 54 lb heavier
Midea MT08VB114.1same CEER
Midea MT12VB113.90.2 CEER lower
Friedrich WCVT12B30A13.90.2 CEER lower, 2.4" wider, 54 lb heavier, 230 V
Wallmaster WCVT12B30B13.90.2 CEER lower, 2.4" wider, 54 lb heavier, 230 V

See all 15 through-the-wall air conditioners, ranked

Source: ENERGY STAR Certified Room Air Conditioners (U.S. EPA), certification of September 29, 2026. How we use the data.