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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 5 tons and up

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.

ECO-AIR

None of ECO-AIR’s ductless, 5 tons and up models qualifies.

HITACHI

None of HITACHI’s ductless, 5 tons and up models qualifies.

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.

Open the advanced view