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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 56% and a typical HITACHI model 58%. HITACHI rates slightly higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

ECO-AIR

56%

of similar heat pumps beaten by its typical model

Above average

58 models listed

HITACHI

58%

of similar heat pumps beaten by its typical model

Above average

27 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 51%HITACHI: Beats 72%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FECO-AIR: Beats 53%HITACHI: Beats 57%
  • Winter-long heating efficiencyHSPF2ECO-AIR: Beats 69%HITACHI: Beats 65%
  • Summer-long cooling efficiencySEER2ECO-AIR: Beats 62%HITACHI: Beats 50%
  • Hot-day cooling efficiencyEER2ECO-AIR: Beats 47%HITACHI: Beats 53%

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
    62%
    HITACHI
    74%

  • Xcel CC

    ECO-AIR
    45%
    HITACHI
    67%

  • CEE Advanced

    ECO-AIR
    2%
    HITACHI
    0%

  • ENERGY STAR CC

    ECO-AIR
    50%
    HITACHI
    15%

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?

ECO-AIR

  1. 1M4OX630-36HFN1-M1XECO-AIR3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 79.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Top 10%
    Cooling efficiency
    19.4 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    83.7score / 100Heating 80 · Cooling 88
  2. 2M3OJ-27HFN1-MECO-AIR2.5 tons · 28,000 Btu/h · DuctedNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    67% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.2 (HSPF2)
    Good
    Cooling efficiency
    21.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    75.4score / 100Heating 65 · Cooling 86
  3. 3M3OI-28HFN1-MECO-AIR (sold as Eco Air)2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 66.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    74.6score / 100Heating 67 · Cooling 83

HITACHI

  1. 1HVAHP036B21S*HITACHI3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 58.2Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    79% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.77 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    18.5 (SEER2)
    Great
    Hot-day cooling
    13.2 (EER2)
    Top 10%
    74.3score / 100Heating 58 · Cooling 90
  2. 2RAS-4.0PNNBDH1with ducted air handler RPIM-4.0PNN1DHHITACHI3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 78.1Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    17.5 (SEER2)
    Good
    Hot-day cooling
    10.9 (EER2)
    Below the middle
    67.6score / 100Heating 78 · Cooling 57

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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