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      24,000 BTU mini-split heat pump · ACDC

      Deye DWB3-ACDC-24K

      Below average cooling and heating efficiency for a 24,000 BTU mini-split heat pump, and certified for cold climates.

      Ranks #293 of 430 24,000 BTU mini-splits for cooling efficiency, and costs about $643 a year to run in a mixed climate like Atlanta.

      SEER2
      21.0 Cooling efficiency over a season
      Below average · beats 30%
      HSPF2
      9.6 Heating efficiency over a season
      Below average · beats 30%
      EER2
      11.3 Cooling efficiency on a 95°F day
      Below average · beats 12%
      Heat at 5°F
      17,500 BTU/h70% of its 47°F output
      Below average · beats 9%

      A good fit if…

      • Your winters get properly cold - it is ENERGY STAR cold-climate certified, with 17,500 BTU/h at 5°F.
      • You want steady temperatures and quiet running - the compressor varies its speed.

      Think twice if…

      • Cooling cost matters most - its SEER2 is below average for mini-splits.
      • You mainly need heat - its HSPF2 is below average for mini-splits.
      • You want the newest refrigerant - it uses R-410A, which is being phased down.

      Calculate my running cost

      Details

      Specifications24,000 BTU, R-410A
      General
      BrandDeye
      Also sold asEG4
      Outdoor unit modelDWB3-ACDC-24K
      SeriesACDC
      TypeMini-split heat pump
      Nominal size24,000 BTU
      CompressorVariable-speed units run longer at low powerContinuously variable
      RefrigerantR-410A
      Connected (smart) capableNo
      On the market sinceJanuary 1, 2023
      Last certifiedDecember 15, 2023
      Cooling
      SEER2Seasonal efficiency, higher is better21.0 (range 21.0)
      EER2Efficiency at 95°F outdoors11.3
      Cooling capacity22,600 BTU/h
      Heating
      HSPF2Seasonal efficiency, higher is better9.6
      Capacity at 47°F25,000 BTU/h
      Capacity at 17°F20,000 BTU/h
      Capacity at 5°F17,500 BTU/h
      COP at 5°F2.0 = twice as efficient as a space heater1.80
      ENERGY STAR cold climateYes
      Heating output as it gets colder70% kept at 5°F

      Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its matchup with DGA2-ACDC-24K at the standard test temperatures, in BTU/h:

      Certified matchups2 indoor units

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

      Indoor unitSEER2EER2HSPF2Heat @5°FAHRI ref.
      DGA2-ACDC-24K · cold climate21.011.39.617,500211765303
      DGA2-ACDC-24K EG4 · cold climate21.011.39.617,500213255576
      Yearly running cost in 10 large cities$509-$1,589

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

      Questions5
      What is the SEER2 rating of the Deye DWB3-ACDC-24K?
      The Deye DWB3-ACDC-24K is rated at up to 21.0 SEER2 and 11.3 EER2 for cooling and up to 9.6 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with.
      Is the Deye DWB3-ACDC-24K good for cold climates?
      Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 17,500 BTU/h at 5°F with a COP of 1.80, so it is still 1.8 times as efficient as electric resistance heat at that temperature.
      How much does the Deye DWB3-ACDC-24K cost to run per year?
      At its rated efficiency it costs about $509-$1,589 a year in electricity in large U.S. cities, depending on climate and local rates - for example $659 in Phoenix and $1,352 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 Deye DWB3-ACDC-24K?
      ENERGY STAR lists 2 certified combinations for this outdoor unit. The highest-rated ones use DGA2-ACDC-24K, EG4 DGA2-ACDC-24K.
      What refrigerant does the Deye DWB3-ACDC-24K use?
      It uses R-410A. R-410A is being phased down under the EPA AIM Act, and new systems are moving to R-454B and R-32.

      Running cost and savings

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

      Heat pump $670/yrYou save $534/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 Deye DWB3-ACDC-24K
      3. What it replaces
      4. Price replace the example with your quote
      Heat pump, per year
      $670
      Current system, per year
      $1,205
      You save per year
      $534
      Payback
      15.9 years
      Net after 10 years
      -$3,159

      Cooling $379Heating $292Electricity used: 4,191 kWhSaved vs. a minimum-efficiency heat pump: $259

      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 December 15, 2023. How we use the data.