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      4-ton central heat pump · ATOM X

      Midea MDV-V48WMN10T

      Excellent cooling and heating efficiency for a 4-ton central heat pump, and certified for cold climates.

      Ranks #11 of 319 4 ton central heat pumps for cooling efficiency, and costs about $1,258 a year to run in a mixed climate like Atlanta.

      SEER2
      20.0 Cooling efficiency over a season
      Excellent · beats 94%
      HSPF2
      10.1 Heating efficiency over a season
      Excellent · beats 90%
      EER2
      11.7 Cooling efficiency on a 95°F day
      Average · beats 43%
      Heat at 5°F
      41,000 BTU/h80% of its 47°F output
      Below average · beats 39%

      A good fit if…

      • You want low cooling bills - its SEER2 beats 94% of central heat pumps.
      • Your winters get properly cold - it is ENERGY STAR cold-climate certified, with 41,000 BTU/h at 5°F.
      • It will heat most of the year - its HSPF2 beats 90% of central heat pumps.
      • You want steady temperatures and quiet running - the compressor varies its speed.

      Think twice if…

      • Nothing stands out - its ratings have no weak spot for its class.

      Calculate my running cost

      Details

      Specifications4 ton, R-454B
      General
      BrandMidea
      Outdoor unit modelMDV-V48WMN10T
      SeriesATOM X
      TypeCentral heat pump
      Nominal size4 ton
      CompressorVariable-speed units run longer at low powerContinuously variable
      RefrigerantR-454B
      Connected (smart) capableNo
      On the market sinceNovember 15, 2024
      Last certifiedApril 22, 2026
      Cooling
      SEER2Seasonal efficiency, higher is better20.0 (range 16.0-20.0)
      EER2Efficiency at 95°F outdoors10.0-11.7
      Cooling capacity47,000-48,000 BTU/h
      Heating
      HSPF2Seasonal efficiency, higher is better8.9-10.1
      Capacity at 47°F48,000-50,000 BTU/h
      Capacity at 17°F35,000-36,800 BTU/h
      Capacity at 5°F35,000-41,000 BTU/h
      COP at 5°F2.0 = twice as efficient as a space heater1.80-2.00
      ENERGY STAR cold climateYes
      Heating output as it gets colder80% kept at 5°F

      Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its best matchup at the standard test temperatures, in BTU/h:

      Certified matchups7 indoor units

      The same outdoor unit scores differently with each indoor unit and furnace. Ask your installer for the AHRI reference number of the exact system you are quoted.

      Indoor unitFurnaceSEER2EER2HSPF2Heat @5°FAHRI ref.
      - MIDEA · cold climate-20.011.710.140,000216021079
      - MIDEA · cold climate-18.811.710.137,600216021080
      - MIDEA · cold climate-17.611.710.035,000216021061
      MIH48VMN10 · cold climate-17.010.89.441,000216441718
      MVME48C2MN10TB · cold climate-17.010.39.441,000216051345
      MCPM4860CN10TH · cold climateMGV96U100C5C16.010.08.940,000216054430
      MCPM4860DN10TH · cold climateMGV96U100D5C16.010.28.940,000216046595
      Yearly running cost in 10 large cities$1,128-$3,005

      At each state's average electricity price and the city's typical heating and cooling hours.

      Questions5
      What is the SEER2 rating of the Midea MDV-V48WMN10T?
      The Midea MDV-V48WMN10T is rated at up to 20.0 SEER2 and 11.7 EER2 for cooling and up to 10.1 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with; across its 7 certified matchups SEER2 ranges from 16.0-20.0.
      Is the Midea MDV-V48WMN10T good for cold climates?
      Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 41,000 BTU/h at 5°F with a COP of 2.00, so it is still 2.0 times as efficient as electric resistance heat at that temperature.
      How much does the Midea MDV-V48WMN10T cost to run per year?
      At its rated efficiency it costs about $1,128-$3,005 a year in electricity in large U.S. cities, depending on climate and local rates - for example $1,389 in Phoenix and $2,509 in Minneapolis. The calculator on this page works it out for your city and compares it with your current system.
      Which indoor units work with the Midea MDV-V48WMN10T?
      ENERGY STAR lists 7 certified combinations for this outdoor unit. The highest-rated ones use MIH48VMN10, MVME48C2MN10TB, MCPM4860CN10TH.
      What refrigerant does the Midea MDV-V48WMN10T use?
      It uses R-454B.

      Running cost and savings

      Pre-filled with this model. Pick your city and what you heat with today; everything else is optional.

      Heat pump $1,377/yrYou save $1,098/yrSee details ↓
      1. Where you live
      Adjust heating and cooling hours

      Filled in from your city's climate. Change them if you run the system much more or less than usual.

      2. The heat pump Midea MDV-V48WMN10T
      3. What it replaces
      4. Price replace the example with your quote
      Heat pump, per year
      $1,377
      Current system, per year
      $2,475
      You save per year
      $1,098
      Payback
      16.4 years
      Net after 10 years
      -$7,021

      Cooling $845Heating $532Electricity used: 8,607 kWhSaved vs. a minimum-efficiency heat pump: $521

      Estimates use the unit's rated SEER2 and HSPF2, full-load hours derived from NOAA 1991-2020 degree days, average residential electricity prices from the U.S. EIA (12 months to July 2026) and fuel prices from EIA (2025 for natural gas, week of 2026-10-05 for propane and heating oil). Very cold days that need backup heat are not modelled. Federal minimum for comparison: 14.3 SEER2 / 7.5 HSPF2.

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      Source: ENERGY STAR Certified Heat Pumps (U.S. EPA), certification of April 22, 2026. How we use the data.