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DIYCOOL vs Maestrale: heat pump ratings compared

Against heat pumps of the same size and type, a typical DIYCOOL model beats 54% and a typical Maestrale model 64%. Maestrale rates higher overall.

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

DIYCOOL

54%

of similar heat pumps beaten by its typical model

About average

24 models listed

Maestrale

64%

of similar heat pumps beaten by its typical model

Well above average

24 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°FDIYCOOL: Beats 53%Maestrale: Beats 29%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDIYCOOL: Beats 51%Maestrale: Beats 72%
  • Winter-long heating efficiencyHSPF2DIYCOOL: Beats 63%Maestrale: Beats 71%
  • Summer-long cooling efficiencySEER2DIYCOOL: Beats 60%Maestrale: Beats 79%
  • Hot-day cooling efficiencyEER2DIYCOOL: Beats 47%Maestrale: Beats 61%

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

    DIYCOOL
    79%
    Maestrale
    100%

  • Xcel CC

    DIYCOOL
    71%
    Maestrale
    100%

  • CEE Advanced

    DIYCOOL
    4%
    Maestrale
    0%

  • ENERGY STAR CC

    DIYCOOL
    75%
    Maestrale
    33%

All-around best, ductless 2.5–3 tons

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

Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

DIYCOOL

  1. 1EZ-36Z-M4BDIYCOOL3 tons · 34,000 Btu/h · DuctlessCold-climate pick, score 41.3Meets 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
    9.9 (HSPF2)
    Below the middle
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Good
    53.2score / 100Heating 41 · Cooling 65
  2. 2EZ-36ZPL-HP230Bwith ductless indoor unit EZ-36W-MBDIYCOOL3 tons · 36,000 Btu/h · DuctlessNot a cold-climate pick: keeps 61% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    61% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.97 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.5 (HSPF2)
    Below the middle
    Cooling efficiency
    18.0 (SEER2)
    Below the middle
    Hot-day cooling
    8.5 (EER2)
    Below the middle
    10.2score / 100Heating 17 · Cooling 4

Maestrale

  1. 1TSB24MBOR3J0X24*MaestraleAlso listed as TSB24MBOR3J0X242.5 tons · 27,000 Btu/h · DuctlessCold-climate pick, score 57.5Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    24.0 (SEER2)
    Top 10%
    Hot-day cooling
    12.0 (EER2)
    Good
    65.1score / 100Heating 58 · Cooling 73
  2. 2TSB36MBOR4J0X24*MaestraleAlso listed as TSB36MBOR4J0X243 tons · 35,000 Btu/h · DuctlessCold-climate pick, score 52.5Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    22.5 (SEER2)
    Good
    Hot-day cooling
    11.1 (EER2)
    Below the middle
    51.1score / 100Heating 53 · Cooling 50

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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