CLASSIC vs Mitsutomo: heat pump ratings compared
Against heat pumps of the same size and type, a typical CLASSIC model beats 41% and a typical Mitsutomo model 58%. Mitsutomo rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
CLASSIC
41%
of similar heat pumps beaten by its typical model
Below average40 models listed
Mitsutomo
58%
of similar heat pumps beaten by its typical model
Above average56 models listed
- Efficiency on a 5°F dayCOP at 5°FCLASSIC: Beats 37%Mitsutomo: Beats 61%
- Heating power kept at 5°FCapacity at 5°F vs 47°FCLASSIC: Beats 43%Mitsutomo: Beats 58%
- Winter-long heating efficiencyHSPF2CLASSIC: Beats 37%Mitsutomo: Beats 69%
- Summer-long cooling efficiencySEER2CLASSIC: Beats 45%Mitsutomo: Beats 57%
- Hot-day cooling efficiencyEER2CLASSIC: Beats 40%Mitsutomo: Beats 51%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- CLASSIC
- 65%
- Mitsutomo
- 82%
Xcel CC
- CLASSIC
- 65%
- Mitsutomo
- 75%
CEE Advanced
- CLASSIC
- 3%
- Mitsutomo
- 4%
ENERGY STAR CC
- CLASSIC
- 20%
- Mitsutomo
- 77%
All-around best, ducted 3.5–4.5 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?
CLASSIC
- 1OCV18HN048Awith ducted air handler OCA18C006ACLASSICAlso listed as OCV18HN060A4 tons · 47,000 Btu/h · DuctedCold-climate pick, score 72.2Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 72% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.30 (COP at 5°F)
- Great
- Winter efficiency
- 9.2 (HSPF2)
- Great
- Cooling efficiency
- 18.5 (SEER2)
- Great
- Hot-day cooling
- 11.5 (EER2)
- Good
- 2GMRSHC42AS5CLASSIC3.5 tons · 42,000 Btu/h · DuctedCold-climate pick, score 55.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 86% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 8.1 (HSPF2)
- Good
- Cooling efficiency
- 18.0 (SEER2)
- Great
- Hot-day cooling
- 12.0 (EER2)
- Great
- 3TMRHC42AS5CLASSIC3.5 tons · 39,000 Btu/h · DuctedCold-climate pick, score 63.6Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.0 (HSPF2)
- Great
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.0 (EER2)
- Below the middle
Mitsutomo
- 1RO-MS48-LA-QMitsutomo4 tons · 45,000 Btu/h · DuctedCold-climate pick, score 77.9Meets 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
- 2.10 (COP at 5°F)
- Good
- Winter efficiency
- 10.6 (HSPF2)
- Top 10%
- Cooling efficiency
- 20.4 (SEER2)
- Top 10%
- Hot-day cooling
- 12.0 (EER2)
- Great
- 2HO-MS48-LA-QMitsutomo4 tons · 47,000 Btu/h · DuctedCold-climate pick, score 82.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 11.0 (HSPF2)
- Top 10%
- Cooling efficiency
- 20.4 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
- 3HO-MS60-LA-QMitsutomo4.5 tons · 53,000 Btu/h · DuctedCold-climate pick, score 81.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 87% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Good
- Winter efficiency
- 10.7 (HSPF2)
- Top 10%
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
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.
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