Mitsubishi Electric heat pumps: how do their ratings compare?
A typical Mitsubishi Electric heat pump beats 60% of similar heat pumps (same size and type), which is well above average. Mitsubishi Electric has 156 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
60%
of similar heat pumps beaten by its typical model
Well above averageRanked 6 among brands with a QMID on file. Based on 217 models with every rating.
- Efficiency on a 5°F dayCOP at 5°FBeats 55%
- Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 54%
- Winter-long heating efficiencyHSPF2Beats 66%
- Summer-long cooling efficiencySEER2Beats 63%
- Hot-day cooling efficiencyEER2Beats 60%
Average (50%)
Each bar: the share of similar heat pumps a typical model beats on that rating.
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Rebate standards
81%
meet CEE 2025 Tier 1, the level many utility rebates use.
126 models. All brands: 57%.
67%
meet Xcel Energy Colorado’s cold-climate rebate levels.
104 models. All brands: 53%.
10%
reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.
15 models. All brands: 3%.
Mitsubishi Electric all-around best, by size
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?
29 of Mitsubishi Electric’s 29 models of this size and type have all five ratings.
- 1MXZ-SM48NLHZ-**Mitsubishi Electric4 tons · 48,000 Btu/h · DuctedCold-climate pick, score 80.2Meets 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
- 10.5 (HSPF2)
- Top 10%
- Cooling efficiency
- 18.0 (SEER2)
- Great
- Hot-day cooling
- 11.0 (EER2)
- Below the middle
- 2PUZ-AK42NL2***with ducted air handler PVA-AA42NLMitsubishi Electric3.5 tons · 42,000 Btu/h · DuctedNot a cold-climate pick: keeps 56% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 55% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.50 (COP at 5°F)
- Top 10%
- Winter efficiency
- 9.4 (HSPF2)
- Great
- Cooling efficiency
- 19.1 (SEER2)
- Great
- Hot-day cooling
- 11.1 (EER2)
- Good
- 3PUZ-AK42NL***with ducted air handler PVA-AA42NLMitsubishi Electric3.5 tons · 42,000 Btu/h · DuctedNot a cold-climate pick: keeps 52% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 53% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.50 (COP at 5°F)
- Top 10%
- Winter efficiency
- 9.4 (HSPF2)
- Great
- Cooling efficiency
- 19.1 (SEER2)
- Great
- Hot-day cooling
- 11.1 (EER2)
- Good
- 4PUZ-AK42NLHZ2***with ducted air handler PVA-AA42NLMitsubishi Electric3.5 tons · 42,000 Btu/h · DuctedCold-climate pick, score 64.4Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.2 (HSPF2)
- Great
- Cooling efficiency
- 18.7 (SEER2)
- Great
- Hot-day cooling
- 11.4 (EER2)
- Good
- 5MXZ-SM42NLHZ-**Mitsubishi Electric3.5 tons · 42,000 Btu/h · DuctedCold-climate pick, score 78.2Meets 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
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 11.0 (HSPF2)
- Top 10%
- Cooling efficiency
- 17.0 (SEER2)
- Good
- Hot-day cooling
- 11.0 (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 Mitsubishi Electric’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.
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