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Samsung vs SLIMAIR: heat pump ratings compared

Against heat pumps of the same size and type, a typical Samsung model beats 62% and a typical SLIMAIR model 60%. Samsung rates slightly higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Samsung

62%

of similar heat pumps beaten by its typical model

Well above average

82 models listed

SLIMAIR

60%

of similar heat pumps beaten by its typical model

Well above average

48 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • Efficiency on a 5°F dayCOP at 5°FSamsung: Beats 45%SLIMAIR: Beats 60%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FSamsung: Beats 66%SLIMAIR: Beats 59%
  • Winter-long heating efficiencyHSPF2Samsung: Beats 60%SLIMAIR: Beats 73%
  • Summer-long cooling efficiencySEER2Samsung: Beats 61%SLIMAIR: Beats 61%
  • Hot-day cooling efficiencyEER2Samsung: Beats 71%SLIMAIR: Beats 53%

Average (50%)Dashed outline: the other brand, for comparison

Want ranks, distributions per size class and cold-weather curves? Switch to Advanced

Rebate standards

Share of each brand’s models that meet the level. Programs can have other rules too.

  • CEE 2025

    Samsung
    95%
    SLIMAIR
    90%

  • Xcel CC

    Samsung
    90%
    SLIMAIR
    77%

  • CEE Advanced

    Samsung
    10%
    SLIMAIR
    2%

  • ENERGY STAR CC

    Samsung
    61%
    SLIMAIR
    79%

All-around best, ductless 2 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

Samsung

  1. 1AM024HCMDCGSamsung2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 82.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.18 (COP at 5°F)
    Great
    Winter efficiency
    10.7 (HSPF2)
    Great
    Cooling efficiency
    26.0 (SEER2)
    Top 10%
    Hot-day cooling
    17.0 (EER2)
    Top 10%
    90.7score / 100Heating 83 · Cooling 99
  2. 2AJ020DXS3CGSamsung2 tons · 21,000 Btu/h · DuctlessCold-climate pick, score 71.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.95 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    15.0 (EER2)
    Top 10%
    81.0score / 100Heating 71 · Cooling 91
  3. 3AJ024DXS4CGSamsung2 tons · 25,000 Btu/h · DuctlessCold-climate pick, score 68.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.4 (HSPF2)
    Great
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    14.6 (EER2)
    Top 10%
    79.6score / 100Heating 69 · Cooling 90

SLIMAIR

  1. 1SHC24AE2AGwith ductless indoor unit SHM24AE2AGSLIMAIR2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 77.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.15 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    23.5 (SEER2)
    Top 10%
    Hot-day cooling
    13.0 (EER2)
    Great
    74.3score / 100Heating 64 · Cooling 85
  2. 2SHC24AH2AGwith ductless indoor unit SHM24AE2AGSLIMAIR2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 89.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    13.3 (HSPF2)
    Top 10%
    Cooling efficiency
    22.3 (SEER2)
    Good
    Hot-day cooling
    12.5 (EER2)
    Good
    72.9score / 100Heating 77 · Cooling 69
  3. 3SHC4Z27AC2AGSLIMAIR2 tons · 26,000 Btu/h · DuctlessCold-climate pick, score 41.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    12.2 (EER2)
    Good
    56.7score / 100Heating 41 · Cooling 72

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Next steps

The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.

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