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ECO-AIR vs HITACHI: heat pump ratings compared

Against heat pumps of the same size and type, a typical ECO-AIR model beats 65% and a typical HITACHI model 68%. HITACHI rates slightly higher overall.

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

ECO-AIR

65%

of similar heat pumps beaten by its typical model

Well above average

60 models listed

HITACHI

68%

of similar heat pumps beaten by its typical model

Well above average

63 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°FECO-AIR: Beats 62%HITACHI: Beats 66%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FECO-AIR: Beats 61%HITACHI: Beats 60%
  • Winter-long heating efficiencyHSPF2ECO-AIR: Beats 73%HITACHI: Beats 70%
  • Summer-long cooling efficiencySEER2ECO-AIR: Beats 69%HITACHI: Beats 63%
  • Hot-day cooling efficiencyEER2ECO-AIR: Beats 59%HITACHI: Beats 75%

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

    ECO-AIR
    90%
    HITACHI
    95%

  • Xcel CC

    ECO-AIR
    80%
    HITACHI
    83%

  • CEE Advanced

    ECO-AIR
    2%
    HITACHI
    18%

  • ENERGY STAR CC

    ECO-AIR
    82%
    HITACHI
    79%

All-around best, ductless 2 tons

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

Showing Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

ECO-AIR

  1. 1EDSO-24Ewith ductless indoor unit EDWM-24UECO-AIR2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 84.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.54 (COP at 5°F)
    Top 10%
    Winter efficiency
    11.7 (HSPF2)
    Top 10%
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    14.0 (EER2)
    Top 10%
    86.8score / 100Heating 85 · Cooling 89
  2. 2EDSO-24Hwith ductless indoor unit EDWM-24UECO-AIR2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 89.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.34 (COP at 5°F)
    Top 10%
    Winter efficiency
    13.5 (HSPF2)
    Top 10%
    Cooling efficiency
    21.0 (SEER2)
    Below the middle
    Hot-day cooling
    13.0 (EER2)
    Great
    76.4score / 100Heating 88 · Cooling 65
  3. 3EDSO-24Swith ductless indoor unit EDWM-24SECO-AIR2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 45.1Meets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.11 (COP at 5°F)
    Great
    Winter efficiency
    9.0 (HSPF2)
    Below the middle
    Cooling efficiency
    18.5 (SEER2)
    Below the middle
    Hot-day cooling
    9.6 (EER2)
    Below the middle
    29.2score / 100Heating 45 · Cooling 13

HITACHI

  1. 1PAS-24BUFASDQ1-LACwith ductless indoor unit PCI-B24UFA1DQHITACHI2 tons · 22,000 Btu/h · DuctlessCold-climate pick, score 77.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    79% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.50 (COP at 5°F)
    Top 10%
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    24.0 (SEER2)
    Top 10%
    Hot-day cooling
    13.0 (EER2)
    Great
    81.6score / 100Heating 77 · Cooling 86
  2. 2PAS-24BUFASDQ1with ductless indoor unit PCI-B24UFA1DQHITACHI2 tons · 22,000 Btu/h · DuctlessCold-climate pick, score 81.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.50 (COP at 5°F)
    Top 10%
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    24.0 (SEER2)
    Top 10%
    Hot-day cooling
    13.0 (EER2)
    Great
    79.9score / 100Heating 74 · Cooling 86
  3. 3RAC-GJ24WHAAwith ductless indoor unit RAK-GJ24PHAAHITACHIAlso listed as RAC-GJ24WHBA2 tons · 22,000 Btu/h · DuctlessCold-climate pick, score 93.8Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    112% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.34 (COP at 5°F)
    Top 10%
    Winter efficiency
    11.0 (HSPF2)
    Great
    Cooling efficiency
    21.0 (SEER2)
    Below the middle
    Hot-day cooling
    13.0 (EER2)
    Great
    79.1score / 100Heating 94 · Cooling 65

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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