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Boltic vs SUPREME: heat pump ratings compared

Against heat pumps of the same size and type, a typical Boltic model beats 32% and a typical SUPREME model 66%. SUPREME rates higher overall.

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

Boltic

32%

of similar heat pumps beaten by its typical model

Well below average

5 models listed

SUPREME

66%

of similar heat pumps beaten by its typical model

Well above average

5 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°FBoltic: Beats 59%SUPREME: Beats 24%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBoltic: Beats 19%SUPREME: Beats 85%
  • Winter-long heating efficiencyHSPF2Boltic: Beats 27%SUPREME: Beats 77%
  • Summer-long cooling efficiencySEER2Boltic: Beats 35%SUPREME: Beats 75%
  • Hot-day cooling efficiencyEER2Boltic: Beats 25%SUPREME: Beats 64%

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

    Boltic
    40%
    SUPREME
    100%
  • Xcel CC

    Boltic
    40%
    SUPREME
    100%
  • CEE Advanced

    Boltic
    0%
    SUPREME
    0%
  • ENERGY STAR CC

    Boltic
    0%
    SUPREME
    40%

All-around best, ductless up to 1.5 tons

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

Boltic

  1. 187A9KODUwith ductless indoor unit 87A9KIDUBoltic1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 34.7Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.95 (COP at 5°F)
    Good
    Winter efficiency
    9.0 (HSPF2)
    Below the middle
    Cooling efficiency
    21.5 (SEER2)
    Good
    Hot-day cooling
    12.5 (EER2)
    Good
    44.9score / 100Heating 35 · Cooling 55
  2. 287A18KODUwith ductless indoor unit 87A18KIDUBoltic1.5 tons · 18,000 Btu/h · DuctlessNot a cold-climate pick: keeps 61% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    61% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.99 (COP at 5°F)
    Good
    Winter efficiency
    9.1 (HSPF2)
    Below the middle
    Cooling efficiency
    20.2 (SEER2)
    Below the middle
    Hot-day cooling
    11.5 (EER2)
    Below the middle
    34.3score / 100Heating 33 · Cooling 35
  3. 387A12KODUwith ductless indoor unit 87A12KIDUBoltic1 ton · 12,000 Btu/h · DuctlessNot a cold-climate pick: keeps 58% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    58% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.7 (HSPF2)
    Below the middle
    Cooling efficiency
    21.3 (SEER2)
    Below the middle
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    26.4score / 100Heating 20 · Cooling 33

SUPREME

  1. 1SUP25S12R454-Owith ductless indoor unit SUP25S12R454-ISUPREME1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 62.1Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    25.0 (SEER2)
    Great
    Hot-day cooling
    14.0 (EER2)
    Great
    74.4score / 100Heating 62 · Cooling 87
  2. 2T55-SUPAE12E454with ductless indoor unit T55-SUPAE12I454SUPREME1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 60.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    96% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    25.4 (SEER2)
    Top 10%
    Hot-day cooling
    13.4 (EER2)
    Great
    72.9score / 100Heating 60 · Cooling 86
  3. 3T55-SUPAE18E454with ductless indoor unit T55-SUPAE18I454SUPREME1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 73.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.92 (COP at 5°F)
    Below the middle
    Winter efficiency
    11.0 (HSPF2)
    Great
    Cooling efficiency
    21.4 (SEER2)
    Good
    Hot-day cooling
    12.5 (EER2)
    Good
    64.0score / 100Heating 74 · Cooling 54

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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