Mitsutomo heat pumps: how do their ratings compare?
A typical Mitsutomo heat pump beats 58% of similar heat pumps (same size and type), which is above average. Mitsutomo has 56 heat pump models in this list.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Overall score
58%
of similar heat pumps beaten by its typical model
Above averageMitsutomo has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 84 models with every rating.
- Efficiency on a 5°F dayCOP at 5°FBeats 61%
- Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 58%
- Winter-long heating efficiencyHSPF2Beats 69%
- Summer-long cooling efficiencySEER2Beats 57%
- Hot-day cooling efficiencyEER2Beats 51%
Average (50%)
Each bar: the share of similar heat pumps a typical model beats on that rating.
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Rebate standards
82%
meet CEE 2025 Tier 1, the level many utility rebates use.
46 models. All brands: 57%.
75%
meet Xcel Energy Colorado’s cold-climate rebate levels.
42 models. All brands: 53%.
4%
reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.
2 models. All brands: 3%.
Mitsutomo all-around best, by size
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?
5 of Mitsutomo’s 5 models of this size and type have all five ratings.
- 1RU-SZ24-LA-Qwith ductless indoor unit HW-UZ24-LA-QMitsutomo2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 77.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.15 (COP at 5°F)
- Great
- Winter efficiency
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 23.5 (SEER2)
- Top 10%
- Hot-day cooling
- 13.0 (EER2)
- Great
- 2HO-SZ24-LA-Qwith ductless indoor unit HW-UZ24-LA-QMitsutomo2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 89.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 92% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 13.3 (HSPF2)
- Top 10%
- Cooling efficiency
- 22.3 (SEER2)
- Good
- Hot-day cooling
- 12.5 (EER2)
- Good
- 3RO-MQ28-LA-QMitsutomo2 tons · 26,000 Btu/h · DuctlessCold-climate pick, score 41.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 70% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 9.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 23.0 (SEER2)
- Great
- Hot-day cooling
- 12.2 (EER2)
- Good
- 4RO-SZ24-LA-Qwith ductless indoor unit RW-SZ24-LA-QMitsutomo2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 45.1Meets Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.11 (COP at 5°F)
- Great
- Winter efficiency
- 9.0 (HSPF2)
- Below the middle
- Cooling efficiency
- 18.5 (SEER2)
- Below the middle
- Hot-day cooling
- 9.6 (EER2)
- Below the middle
- 5S-RO-SZ24-LA-Qwith ductless indoor unit S-RW-SZ24-LA-QMitsutomo2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 38.9Meets Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.01 (COP at 5°F)
- Good
- Winter efficiency
- 8.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 17.0 (SEER2)
- Below the middle
- Hot-day cooling
- 9.0 (EER2)
- Below the middle
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 Mitsutomo’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.
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