Fujitsu heat pumps: how do their ratings compare?

A typical Fujitsu heat pump beats 53% of similar heat pumps (same size and type), which is about average. Fujitsu has 179 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

53%

of similar heat pumps beaten by its typical model

About average

Ranked 16 among brands with a QMID on file. Based on 152 models with every rating.

Fujitsu, rating by ratingStrongest on efficiency on a 5°f day (beats 60%), weakest on summer-long cooling efficiency (beats 43%).

Efficiency on a 5°F dayCOP at 5°FBeats 60%
Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 48%
Winter-long heating efficiencyHSPF2Beats 44%
Summer-long cooling efficiencySEER2Beats 43%
Hot-day cooling efficiencyEER2Beats 47%

Average (50%)

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

Want Fujitsu’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.

32%
meet CEE 2025 Tier 1, the level many utility rebates use.
58 models. All brands: 57%.
See them
30%
meet Xcel Energy Colorado’s cold-climate rebate levels.
53 models. All brands: 53%.
See them
8%
reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.
14 models. All brands: 3%.
See them

Top Fujitsu 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?

25 of Fujitsu’s 27 models of this size and type qualify.

1AOUH09KTAP1with ductless indoor unit ASUH09KTASFujitsu1 ton · 9,000 Btu/h · DuctlessKeeps 142% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
Heat kept at 5°F
142% (Capacity at 5°F vs 47°F)
Top 10%
Efficiency at 5°F
2.48 (COP at 5°F)
Top 10%
Seasonal efficiency
14.0 (HSPF2)
Top 10%
98.5score / 100
2AOUH12KTAP1with ductless indoor unit ASUH12KTABFujitsu1 ton · 12,000 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
2.62 (COP at 5°F)
Top 10%
Seasonal efficiency
13.7 (HSPF2)
Top 10%
96.6score / 100
3AOUH15KTAP1with ductless indoor unit ASUH15KTABFujitsu1 ton · 14,500 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
2.54 (COP at 5°F)
Top 10%
Seasonal efficiency
13.0 (HSPF2)
Top 10%
96.4score / 100
4AOUH09KZAH1with ductless indoor unit ASUH09KZASFujitsu1 ton · 9,000 Btu/h · DuctlessKeeps 128% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
Heat kept at 5°F
128% (Capacity at 5°F vs 47°F)
Top 10%
Efficiency at 5°F
2.26 (COP at 5°F)
Top 10%
Seasonal efficiency
13.3 (HSPF2)
Top 10%
95.8score / 100
5AOUH18KUAH1with ductless indoor unit ABUH18KUASFujitsu1.5 tons · 18,000 Btu/h · DuctlessKeeps 111% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP
Heat kept at 5°F
111% (Capacity at 5°F vs 47°F)
Top 10%
Efficiency at 5°F
2.30 (COP at 5°F)
Top 10%
Seasonal efficiency
11.0 (HSPF2)
Great
91.0score / 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 Fujitsu’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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