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Fujitsu heat pump efficiency: 164 outdoor models compared
Fujitsu has 164 heat pump outdoor models certified with this refrigerant group, in 765 AHRI-certified combinations. Each model is compared with models of the same size and duct type, so the scores below do not depend on which sizes Fujitsu makes. Ranks are among manufacturers with a QMID on file and at least 10 scored models.
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ManufacturerData as of updated · sources
- Outdoor models
- 164
- AHRI certifications
- 765
- Efficiency index
- 58%
- Typical model vs same-size, same-type peers (120 models)
- Meet CEE 2025
- 38.4%
- 63 models
How Fujitsu compares with comparable models
- Fujitsu
- Middle half of its models
- Other ranked manufacturers
Source: AHRI Directory, NEEP · as of
| Rating | Beats comparable models | Rank | Raw median |
|---|---|---|---|
| Efficiency index120 models scored | 58% | 9th of 27 | — |
| COP at 5°F126 models scored | 70% | 2nd of 27 | 2.10 |
| Capacity retention at 5°F124 models scored | 65% | 3rd of 27 | 81% |
| HSPF2155 models scored | 53% | 12th of 27 | 8.5 |
| SEER2155 models scored | 46% | 19th of 27 | 16.6 |
| EER2155 models scored | 49% | 17th of 27 | 11.5 |
| Heating capacity at 5°F126 models scored | 62% | 5th of 27 | 20,800 Btu/h |
Standards met
| Standard | Share | Models |
|---|---|---|
| CEE 2025 Tier 1 (Split ASHP) | 38.4% | 63 |
| CEE 2026 Tier 1 (Split ASHP) | 37.8% | 62 |
| CEE Advanced Tier (Split ASHP) | 6.1% | 10 |
| Xcel Energy Colorado cold-climate ASHP (2025) | 34.1% | 56 |
| DOE Cold Climate Heat Pump Challenge | 6.1% | 10 |
| ENERGY STAR Cold Climate | 28% | 46 |
Sizes and duct types offered
- Fujitsu (median, middle 50%, 10th–90th)
- All models of the group
Source: AHRI Directory · as of
| Size and duct type | Models | Index | COP@5°F | HSPF2 | SEER2 |
|---|---|---|---|---|---|
| Ducted, up to 1.5 tons | 15 | 39% | 63% | 25% | 26% |
| Ducted, 2 tons | 14 | 53% | 59% | 44% | 44% |
| Ducted, 2.5–3 tons | 36 | 54% | 69% | 41% | 41% |
| Ducted, 3.5–4.5 tons | 42 | 51% | 70% | 42% | 45% |
| Ducted, 5 tons and up | 12 | 64% | 82% | 33% | 33% |
| Non-ducted, up to 1.5 tons | 44 | 74% | 74% | 83% | 65% |
| Non-ducted, 2 tons | 9 | 65% | 72% | 75% | 54% |
| Non-ducted, 2.5–3 tons | 14 | 59% | 66% | 73% | 40% |
| Non-ducted, 3.5–4.5 tons | 5 | 46% | 87% | 33% | 29% |
| Non-ducted, 5 tons and up | 1 | 18% | 58% | 0% | 0% |
Every Fujitsu model in the market
- Fujitsu models
- Ducted median by size
- Non-ducted median by size
- Every model at each size (width = count)
- Standard threshold
Show the data as a table
| Duct type, size | Models | 10th pct. | 25th | Median | 75th | 90th |
|---|---|---|---|---|---|---|
| Ducted, 0.5 tons | 175 | 1.70 | 1.85 | 1.90 | 2.10 | 2.26 |
| Ducted, 1 ton | 340 | 1.85 | 1.90 | 2.00 | 2.40 | 2.65 |
| Ducted, 1.5 tons | 789 | 1.75 | 1.85 | 2.00 | 2.20 | 2.55 |
| Ducted, 2 tons | 782 | 1.73 | 1.80 | 2.00 | 2.10 | 2.33 |
| Ducted, 2.5 tons | 735 | 1.71 | 1.80 | 1.90 | 2.09 | 2.48 |
| Ducted, 3 tons | 652 | 1.68 | 1.70 | 1.90 | 2.06 | 2.36 |
| Ducted, 3.5 tons | 641 | 1.61 | 1.80 | 1.95 | 2.20 | 2.50 |
| Ducted, 4 tons | 367 | 1.70 | 1.80 | 1.91 | 2.02 | 2.52 |
| Ducted, 4.5 tons | 544 | 1.70 | 1.80 | 1.91 | 2.08 | 2.34 |
| Ducted, 5 tons | 25 | 1.80 | 1.80 | 1.90 | 1.90 | 2.15 |
| Non-ducted, 0.5 tons | 717 | 1.75 | 1.81 | 1.97 | 2.10 | 2.19 |
| Non-ducted, 1 ton | 1,064 | 1.75 | 1.80 | 1.90 | 2.07 | 2.25 |
| Non-ducted, 1.5 tons | 886 | 1.80 | 1.80 | 1.87 | 2.07 | 2.21 |
| Non-ducted, 2 tons | 564 | 1.80 | 1.80 | 1.83 | 2.04 | 2.21 |
| Non-ducted, 2.5 tons | 275 | 1.80 | 1.81 | 1.84 | 1.86 | 2.03 |
| Non-ducted, 3 tons | 502 | 1.80 | 1.80 | 1.90 | 2.00 | 2.09 |
| Non-ducted, 3.5 tons | 70 | 1.82 | 1.83 | 1.90 | 2.00 | 2.28 |
| Non-ducted, 4 tons | 263 | 1.80 | 1.80 | 1.98 | 2.00 | 2.10 |
| Non-ducted, 4.5 tons | 103 | 1.77 | 1.77 | 1.80 | 1.97 | 2.02 |
| Non-ducted, 5 tons | 29 | 1.98 | 2.00 | 2.10 | 2.30 | 2.47 |
Source: AHRI Directory · as of
Top Fujitsu models
Cold-climate picks
| # · Outdoor model | Size · type | Cap. 5/47 | COP@5°F | HSPF2 | Btu/h @5°F | SEER2 | Meets | Combos | AHRI ref. | Compared with | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1AOUG12LZAS1FUJITSU · H-Serieswith ductless indoor unit ASUG12LZAS | 1 ton12,000 Btu/h · Non-ducted | 138% | 2.32 | 12.9 | 16,600 | 29.4 | CEE 25CEE 26CEE AdvXcelDOEES CC | 2 | 204740068 | Non-ducted, up to 1.5 tons | 96.9 |
| 2AOUG15LZAS1FUJITSU · H-Serieswith ductless indoor unit ASUG15LZAS | 1 ton14,500 Btu/h · Non-ducted | 145% | 2.24 | 12.8 | 21,000 | 25.3 | CEE 25CEE 26CEE AdvXcelDOEES CC | 2 | 204740070 | Non-ducted, up to 1.5 tons | 96.1 |
| 3AOUH09LMAS1FUJITSU · H-Serieswith ductless indoor unit ASUH09LMAS | 1 ton9,000 Btu/h · Non-ducted | 113% | 2.35 | 12.6 | 10,200 | 26.5 | CEE 25CEE 26CEE AdvXcelDOEES CC | 1 | 207615688 | Non-ducted, up to 1.5 tons | 96.0 |
| 4AOUH09LUAS1FUJITSU · H-Serieswith ductless indoor unit ACUH09LUAS1 | 1 ton9,000 Btu/h · Non-ducted | 112% | 2.23 | 11.8 | 10,100 | 23.5 | CEE 25CEE 26CEE AdvXcelDOEES CC | 2 | 206579743 | Non-ducted, up to 1.5 tons | 93.9 |
| 5AOUG12LZAH1FUJITSU · H-Serieswith ductless indoor unit ASUG12LZAS | 1 ton12,000 Btu/h · Non-ducted | 138% | 2.16 | 12.7 | 16,600 | 29.4 | CEE 25CEE 26CEE AdvXcelDOEES CC | 2 | 204740069 | Non-ducted, up to 1.5 tons | 93.3 |
All-around best
| # · Outdoor model | Size · type | Cap. 5/47 | COP@5°F | HSPF2 | SEER2 | EER2 | Meets | Combos | AHRI ref. | Compared with | Score | Heating half | Cooling half | Cold-climate score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1AOUG12LZAS1FUJITSU · H-Serieswith ductless indoor unit ASUG12LZAS | 1 ton12,000 Btu/h · Non-ducted | 138% | 2.32 | 12.9 | 29.4 | 15.2 | CEE 25CEE 26CEE AdvXcelDOEES CC | 2 | 204740068 | Non-ducted, up to 1.5 tons | 96.2 | 96.9 | 95.5 | 96.9 |
| 2AOUG12LZAH1FUJITSU · H-Serieswith ductless indoor unit ASUG12LZAS | 1 ton12,000 Btu/h · Non-ducted | 138% | 2.16 | 12.7 | 29.4 | 15.2 | CEE 25CEE 26CEE AdvXcelDOEES CC | 2 | 204740069 | Non-ducted, up to 1.5 tons | 94.4 | 93.3 | 95.5 | 93.3 |
| 3AOUH09LMAS1FUJITSU · H-Serieswith ductless indoor unit ASUH09LMAS | 1 ton9,000 Btu/h · Non-ducted | 113% | 2.35 | 12.6 | 26.5 | 14.3 | CEE 25CEE 26CEE AdvXcelDOEES CC | 1 | 207615688 | Non-ducted, up to 1.5 tons | 93.7 | 96.0 | 91.4 | 96.0 |
| 4AOUG15LZAS1FUJITSU · H-Serieswith ductless indoor unit ASUG15LZAS | 1 ton14,500 Btu/h · Non-ducted | 145% | 2.24 | 12.8 | 25.3 | 13.9 | CEE 25CEE 26CEE AdvXcelDOEES CC | 2 | 204740070 | Non-ducted, up to 1.5 tons | 91.5 | 96.1 | 86.9 | 96.1 |
| 5AOUG15LZAH1FUJITSU · H-Serieswith ductless indoor unit ASUG15LZAS | 1 ton14,500 Btu/h · Non-ducted | 145% | 2.12 | 12.7 | 25.3 | 13.9 | CEE 25CEE 26CEE AdvXcelDOEES CC | 2 | 204740071 | Non-ducted, up to 1.5 tons | 89.9 | 92.8 | 86.9 | 92.8 |
Best model on each rating
| Rating | Model | Value | Compared with | Beats | AHRI ref. |
|---|---|---|---|---|---|
| COP at 5°F | AOU48RLAVS4 | 2.91 | Non-ducted, 3.5–4.5 tons | 100% | 206347302 |
| Capacity retention at 5°F | AOU9RLFF | 158% | Non-ducted, up to 1.5 tons | 100% | 6936995 |
| HSPF2 | AOUG09LZAS1 | 13.4 | Non-ducted, up to 1.5 tons | 98% | 204740066 |
| SEER2 | AOUG09LZAS1 | 33.1 | Non-ducted, up to 1.5 tons | 100% | 204740066 |
| EER2 | AOUG09LZAS1 | 18.0 | Non-ducted, up to 1.5 tons | 100% | 204740066 |
| Heating capacity at 5°F | FOP1836MJAZCA | 43,500 Btu/h | Ducted, 2.5–3 tons | 100% | 209880031 |
Fujitsu size class by size class: cold-climate and all-around
| Size and duct type | Cold-climate pickCold-climate score, best model | All-around bestAll-around score, best model |
|---|---|---|
| Ducted, up to 1.5 tons | 83.5(50 is the typical model of its size class)AOUH12LUAS1with ducted air handler ARUH12LUAS5 of 15 models qualify · AHRI 207334301 | 82.7(50 is the typical model of its size class)AOUH12LUAS1with ducted air handler ARUH12LUAS9 of 15 models have all five ratings · AHRI 207334301 |
| Ducted, 2 tons | 75.4(50 is the typical model of its size class)AOU24RLXFZH6 of 14 models qualify · AHRI 8033742 | 80.6(50 is the typical model of its size class)FOP1824MJAZCAwith indoor coil FCCA2421HZEA and furnace FF97MV306017DHS*A11 of 14 models have all five ratings · AHRI 209880024 |
| Ducted, 2.5–3 tons | 86.6(50 is the typical model of its size class)AOUH30LUAS1with ducted air handler ARUH30LUAS12 of 36 models qualify · AHRI 211078837 | 87.2(50 is the typical model of its size class)FOP1836MJAZCAwith indoor coil FCCA6021SZEA and furnace FF75173LT80X22 of 36 models have all five ratings · AHRI 210868911 |
| Ducted, 3.5–4.5 tons | 83.5(50 is the typical model of its size class)AOU42RGLXwith ducted air handler ARU42RGLX7 of 42 models qualify · AHRI 202537550 | 81.5(50 is the typical model of its size class)FOP1848MJAZCA1with ducted air handler FHRAVM6021SJZECA23 of 42 models have all five ratings · AHRI 208587413 |
| Ducted, 5 tons and up | None on this board (0 of 12 models qualify) | 70.2(50 is the typical model of its size class)FOP1560TJAZNAwith indoor coil FCCN6024SZTA and furnace FF97MV510021DHS*A3 of 12 models have all five ratings · AHRI 212507664 |
| Non-ducted, up to 1.5 tons | 96.9(50 is the typical model of its size class)AOUG12LZAS1with ductless indoor unit ASUG12LZAS28 of 44 models qualify · AHRI 204740068 | 96.2(50 is the typical model of its size class)AOUG12LZAS1with ductless indoor unit ASUG12LZAS29 of 44 models have all five ratings · AHRI 204740068 |
| Non-ducted, 2 tons | 89.0(50 is the typical model of its size class)AOUH24LMAS1with ductless indoor unit ASUH24LMAS6 of 9 models qualify · AHRI 206913028 | 86.5(50 is the typical model of its size class)AOUH24LUAS1with ductless indoor unit AUUH24LUAS7 of 9 models have all five ratings · AHRI 211078831 |
| Non-ducted, 2.5–3 tons | 90.6(50 is the typical model of its size class)AOU30RLXEHwith ductless indoor unit ASU30RLE11 of 14 models qualify · AHRI 8912454 | 79.2(50 is the typical model of its size class)AOU36RLXFZH12 of 14 models have all five ratings · AHRI 8908615 |
| Non-ducted, 3.5–4.5 tons | 75.3(50 is the typical model of its size class)AOU42RGLXwith ductless indoor unit AUU42RGLX2 of 5 models qualify · AHRI 202195867 | 65.1(50 is the typical model of its size class)AOU42RGLXwith ductless indoor unit AUU42RGLX5 of 5 models have all five ratings · AHRI 202195867 |
| Non-ducted, 5 tons and up | None on this board (0 of 1 models qualify) | 17.7(50 is the typical model of its size class)AOU60RLAVM41 of 1 models have all five ratings · AHRI 206347299 |
Newest Fujitsu certifications
| Outdoor model | Size · type | COP@5°F | Cap. 5/47 | HSPF2 | SEER2 | Meets | Combos | AHRI ref. |
|---|---|---|---|---|---|---|---|---|
| WP15AZ48AJ2NFUJITSUwith ducted air handler V3642B-1EC*B | 3.5 tons40,000 Btu/h · Ducted | — | 59% | 7.2 | 12.0 | ES CC | 3 | 216707009 |
| WP15AZ42AJ2NFUJITSUwith ducted air handler V3642B-1EC*B | 3 tons35,200 Btu/h · Ducted | — | 58% | 7.2 | 12.0 | ES CC | 4 | 216707007 |
| WP15AZ36AJ2NFUJITSUwith ducted air handler M3036C*1-BA*+M3036B**-EC | 2.5 tons30,000 Btu/h · Ducted | — | 67% | 6.8 | 12.0 | None | 6 | 216707005 |
| WP15AZ30AJ2NFUJITSUwith ducted air handler V2430B-1EC*B | 2 tons24,800 Btu/h · Ducted | — | 65% | 6.8 | 12.0 | ES CC | 23 | 216707004 |
| WP15AZ24AJ2NFUJITSUwith ducted air handler M2430C*1-BA*+M2430B**-EC | 1.5 tons20,000 Btu/h · Ducted | — | 64% | 6.8 | 12.0 | ES CC | 19 | 216707001 |
Compare Fujitsu
Fujitsu includes these brand names as listed in AHRI: FUJITSU. Standards are checked against published thresholds; program rules beyond ratings are not checked.