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HAXXAIR vs HITACHI: heat pump ratings compared

Against heat pumps of the same size and type, a typical HAXXAIR model beats 57% 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

HAXXAIR

57%

of similar heat pumps beaten by its typical model

Above average

26 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°FHAXXAIR: Beats 58%HITACHI: Beats 72%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FHAXXAIR: Beats 68%HITACHI: Beats 57%
  • Winter-long heating efficiencyHSPF2HAXXAIR: Beats 46%HITACHI: Beats 65%
  • Summer-long cooling efficiencySEER2HAXXAIR: Beats 49%HITACHI: Beats 50%
  • Hot-day cooling efficiencyEER2HAXXAIR: Beats 44%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

    HAXXAIR
    65%
    HITACHI
    74%

  • Xcel CC

    HAXXAIR
    65%
    HITACHI
    67%

  • CEE Advanced

    HAXXAIR
    0%
    HITACHI
    0%

  • ENERGY STAR CC

    HAXXAIR
    58%
    HITACHI
    15%

Top cold-climate picks, ducted 2.5–3 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 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?

HAXXAIR

  1. 1HVHSC-36T2Dwith ducted air handler HAHS-36T2DHAXXAIR3 tons · 36,000 Btu/h · DuctedKeeps 76% of its heat at 5°FMeets 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
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    78.1score / 100
  2. 2HVHD-36E2D2with ducted air handler DC37A44-210LHAXXAIR2.5 tons · 30,000 Btu/h · DuctedKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.08 (COP at 5°F)
    Great
    Seasonal efficiency
    9.4 (HSPF2)
    Great
    75.5score / 100
  3. 3HVHM-36T2DHAXXAIR2.5 tons · 32,000 Btu/h · DuctedKeeps 113% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    113% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.9 (HSPF2)
    Good
    69.2score / 100

HITACHI

  1. 1RAS-4.0PNNBDH1with ducted air handler RPIM-4.0PNN1DHHITACHI3 tons · 36,000 Btu/h · DuctedKeeps 76% of its heat at 5°FMeets 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
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    78.1score / 100
  2. 2HVAHP036B21S*HITACHI3 tons · 36,000 Btu/h · DuctedKeeps 79% of its heat at 5°FMeets 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
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    58.2score / 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.

Open the advanced view