HITACHI heat pumps: how do their ratings compare?

A typical HITACHI heat pump beats 68% of similar heat pumps (same size and type), which is well above average. HITACHI has 63 heat pump models in this list.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated Oct 11, 2026

Overall score

68%

of similar heat pumps beaten by its typical model

Well above average

HITACHI has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 94 models with every rating.

HITACHI, rating by ratingStrongest on hot-day cooling efficiency (beats 75%), weakest on heating power kept at 5°f (beats 60%).

Efficiency on a 5°F dayCOP at 5°FBeats 66%
Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 60%
Winter-long heating efficiencyHSPF2Beats 70%
Summer-long cooling efficiencySEER2Beats 63%
Hot-day cooling efficiencyEER2Beats 75%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want HITACHI’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

95%
meet CEE 2025 Tier 1, the level many utility rebates use.
60 models. All brands: 57%.
See them
83%
meet Xcel Energy Colorado’s cold-climate rebate levels.
52 models. All brands: 53%.
See them
18%
reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.
11 models. All brands: 3%.
See them

Top HITACHI cold-climate picks, by size

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, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

29 of HITACHI’s 33 models of this size and type qualify.

1PAS-18BLFASDQ1with ductless indoor unit PCI-B18UFA1DQHITACHI1.5 tons · 18,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
Heat kept at 5°F
100% (Capacity at 5°F vs 47°F)
Great
Efficiency at 5°F
2.40 (COP at 5°F)
Top 10%
Seasonal efficiency
11.5 (HSPF2)
Top 10%
91.6score / 100
2RAC-GJ18WHAAwith ductless indoor unit RAK-GJ18PHAAHITACHIAlso listed as RAC-GJ18WHBA1.5 tons · 18,000 Btu/h · DuctlessKeeps 120% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
Heat kept at 5°F
120% (Capacity at 5°F vs 47°F)
Top 10%
Efficiency at 5°F
2.18 (COP at 5°F)
Great
Seasonal efficiency
11.5 (HSPF2)
Top 10%
90.8score / 100
3RAC-XJ12WHAAwith ductless indoor unit RAK-XJ12PHAAHITACHI1 ton · 12,500 Btu/h · DuctlessKeeps 122% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
Heat kept at 5°F
122% (Capacity at 5°F vs 47°F)
Top 10%
Efficiency at 5°F
2.12 (COP at 5°F)
Great
Seasonal efficiency
11.5 (HSPF2)
Top 10%
89.8score / 100
4PAS-12BLFASDQ1with ductless indoor unit PCIM-B12UFA1DQHITACHI1 ton · 12,000 Btu/h · DuctlessKeeps 99% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
Heat kept at 5°F
99% (Capacity at 5°F vs 47°F)
Great
Efficiency at 5°F
2.39 (COP at 5°F)
Top 10%
Seasonal efficiency
11.3 (HSPF2)
Great
89.5score / 100
5RAC-GJ15WHAAwith ductless indoor unit RAK-GJ15PHAAHITACHI1.5 tons · 15,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
Heat kept at 5°F
100% (Capacity at 5°F vs 47°F)
Great
Efficiency at 5°F
2.20 (COP at 5°F)
Great
Seasonal efficiency
11.0 (HSPF2)
Great
86.2score / 100

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has HITACHI’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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