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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%

Top cold-climate picks, ductless 2 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

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

ECO-AIR

  1. 1EDSO-24Hwith ductless indoor unit ED4W-24UECO-AIR2 tons · 23,400 Btu/h · DuctlessKeeps 95% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    95% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.23 (COP at 5°F)
    Great
    Seasonal efficiency
    11.6 (HSPF2)
    Top 10%
    89.4score / 100
  2. 2EDSO-24Ewith ductless indoor unit EDWM-24UECO-AIR2 tons · 24,000 Btu/h · DuctlessKeeps 78% of its heat at 5°FMeets 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%
    Seasonal efficiency
    11.7 (HSPF2)
    Top 10%
    84.5score / 100
  3. 3EDSO-24Swith ductless indoor unit EDWM-24SECO-AIR2 tons · 24,000 Btu/h · DuctlessKeeps 71% of its heat at 5°FMeets 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
    Seasonal efficiency
    9.0 (HSPF2)
    Below the middle
    45.1score / 100

HITACHI

  1. 1PAS-24BLFASDQ1with ductless indoor unit PCI-B24UFA1DQHITACHI2 tons · 24,000 Btu/h · DuctlessKeeps 106% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    106% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.8 (HSPF2)
    Great
    93.8score / 100
  2. 2RAC-GJ24WHAAwith ductless indoor unit RAK-GJ24PHAAHITACHIAlso listed as RAC-GJ24WHBA2 tons · 22,000 Btu/h · DuctlessKeeps 112% of its heat at 5°FMeets 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%
    Seasonal efficiency
    11.0 (HSPF2)
    Great
    93.8score / 100
  3. 3PAS-24BUFASDQ1with ductless indoor unit PPFC-B24UFA1DQHITACHI2 tons · 22,000 Btu/h · DuctlessKeeps 85% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    85% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    81.0score / 100

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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