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InfinityLiving vs KeplerX: heat pump ratings compared

Against heat pumps of the same size and type, a typical InfinityLiving model beats 51% and a typical KeplerX model 42%. InfinityLiving rates higher overall.

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

InfinityLiving

51%

of similar heat pumps beaten by its typical model

About average

20 models listed

KeplerX

42%

of similar heat pumps beaten by its typical model

Below average

20 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°FInfinityLiving: Beats 52%KeplerX: Beats 34%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FInfinityLiving: Beats 44%KeplerX: Beats 41%
  • Winter-long heating efficiencyHSPF2InfinityLiving: Beats 58%KeplerX: Beats 52%
  • Summer-long cooling efficiencySEER2InfinityLiving: Beats 57%KeplerX: Beats 58%
  • Hot-day cooling efficiencyEER2InfinityLiving: Beats 42%KeplerX: Beats 26%

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

    InfinityLiving
    75%
    KeplerX
    35%

  • Xcel CC

    InfinityLiving
    65%
    KeplerX
    25%

  • CEE Advanced

    InfinityLiving
    0%
    KeplerX
    0%

  • ENERGY STAR CC

    InfinityLiving
    70%
    KeplerX
    0%

All-around best, ducted 2.5–3 tons

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

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

InfinityLiving

  1. 1EZ-36-HPBwith ducted air handler EZ-36-AHBInfinityLiving3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 73.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    105% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.3 (HSPF2)
    Top 10%
    Cooling efficiency
    17.4 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Good
    67.3score / 100Heating 73 · Cooling 62
  2. 2EZ-36Z-M4BInfinityLiving3 tons · 33,000 Btu/h · DuctedCold-climate pick, score 61.4Meets 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)
    Great
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Good
    67.1score / 100Heating 61 · Cooling 73
  3. 3EZ-36-EHPBwith ducted air handler EZ-36-AHBInfinityLiving3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 59.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    8.7 (HSPF2)
    Good
    Cooling efficiency
    16.2 (SEER2)
    Below the middle
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    45.0score / 100Heating 60 · Cooling 30

KeplerX

  1. 1K20HVH36WD2VN3with ducted air handler K20HVH36WD2HN3KeplerX3 tons · 36,000 Btu/h · DuctedNot a cold-climate pick: keeps 64% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    64% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    8.1 (HSPF2)
    Below the middle
    Cooling efficiency
    19.3 (SEER2)
    Great
    Hot-day cooling
    11.0 (EER2)
    Below the middle
    54.1score / 100Heating 48 · Cooling 60
  2. 2K18HVH36WD2RKeplerX3 tons · 34,200 Btu/h · DuctedCold-climate pick, score 43.5Meets Xcel CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.86 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.2 (HSPF2)
    Below the middle
    Cooling efficiency
    18.5 (SEER2)
    Great
    Hot-day cooling
    10.8 (EER2)
    Below the middle
    47.7score / 100Heating 44 · Cooling 52
  3. 3K18HVH30WD2UN3with ducted air handler K18HVH30WD2HN3KeplerX2.5 tons · 30,000 Btu/h · DuctedNot a cold-climate pick: keeps 54% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    55% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.5 (HSPF2)
    Good
    Cooling efficiency
    17.0 (SEER2)
    Good
    Hot-day cooling
    11.2 (EER2)
    Below the middle
    44.0score / 100Heating 39 · Cooling 49

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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