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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%

Top cold-climate picks, ductless 3.5–4.5 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

Samsung

  1. 1AM048FCMDCGSamsungAlso listed as AM048HCMDCS4 tons · 48,000 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.02 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Good
    57.0score / 100
  2. 2AC048DXSCCGwith ductless indoor unit AC048DN4DCGSamsung4 tons · 48,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets 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
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.4 (HSPF2)
    Good
    53.6score / 100
  3. 3AC048DXADCGwith ductless indoor unit AC048DN4DCGSamsung4 tons · 48,000 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Below the middle
    19.5score / 100

SLIMAIR

  1. 1SHC6Z55AH2AGSLIMAIR4.5 tons · 52,000 Btu/h · DuctlessKeeps 87% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    87% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.05 (COP at 5°F)
    Good
    Seasonal efficiency
    10.7 (HSPF2)
    Great
    69.9score / 100
  2. 2SHC6Z48AH2AGSLIMAIR4 tons · 46,000 Btu/h · DuctlessKeeps 99% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    99% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.6 (HSPF2)
    Good
    68.7score / 100
  3. 3SHC48AH2AGwith ductless indoor unit SHL48AC2AGSLIMAIR4 tons · 48,000 Btu/h · DuctlessKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.96 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    11.0 (HSPF2)
    Top 10%
    60.2score / 100

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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