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Clima Smart vs Endura: heat pump ratings compared

Against heat pumps of the same size and type, a typical Clima Smart model beats 73% and a typical Endura model 63%. Clima Smart rates higher overall.

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

Clima Smart

73%

of similar heat pumps beaten by its typical model

Well above average

8 models listed

Endura

63%

of similar heat pumps beaten by its typical model

Well above average

9 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°FClima Smart: Beats 35%Endura: Beats 47%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FClima Smart: Beats 79%Endura: Beats 73%
  • Winter-long heating efficiencyHSPF2Clima Smart: Beats 68%Endura: Beats 57%
  • Summer-long cooling efficiencySEER2Clima Smart: Beats 89%Endura: Beats 69%
  • Hot-day cooling efficiencyEER2Clima Smart: Beats 80%Endura: Beats 66%

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

    Clima Smart
    100%
    Endura
    100%

  • Xcel CC

    Clima Smart
    100%
    Endura
    100%

  • CEE Advanced

    Clima Smart
    0%
    Endura
    0%

  • ENERGY STAR CC

    Clima Smart
    100%
    Endura
    100%

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.

Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

Clima Smart

  1. 1MU-CSU18HEI2NAM0T24-3POClima Smart1.5 tons · 20,000 Btu/h · DuctlessCold-climate pick, score 70.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    99% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    27.0 (SEER2)
    Top 10%
    Hot-day cooling
    15.0 (EER2)
    Top 10%
    82.6score / 100Heating 71 · Cooling 94
  2. 2CSU09HEI2NAM0T24with ductless indoor unit CSU09HEI2NAM0T24Clima Smart1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 63.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    101% (Capacity at 5°F vs 47°F)
    Top 10%
    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
    14.5 (EER2)
    Great
    76.0score / 100Heating 63 · Cooling 89
  3. 3CSU12HEI2NAM0T24with ductless indoor unit CSU12HEI2NAM0T24Clima Smart1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 62.1Meets 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
    1.80 (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

Endura

  1. 1HBEFLM2-OD18Endura1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 69.5Meets 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
    1.99 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    22.0 (SEER2)
    Good
    Hot-day cooling
    13.3 (EER2)
    Great
    69.2score / 100Heating 70 · Cooling 69

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.

Open the advanced view