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AUX heat pumps: how do their ratings compare?
A typical AUX heat pump beats 52% of similar heat pumps (same size and type), which is about average. AUX has 149 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
52%
of similar heat pumps beaten by its typical model
About averageRanked 18 among brands with a QMID on file. Based on 139 models with every rating.
- Efficiency on a 5°F dayCOP at 5°FBeats 62%
- Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 51%
- Winter-long heating efficiencyHSPF2Beats 43%
- Summer-long cooling efficiencySEER2Beats 51%
- Hot-day cooling efficiencyEER2Beats 40%
Average (50%)
Each bar: the share of similar heat pumps a typical model beats on that rating.
Want AUX’s ranks and its models inside every size class? Switch to Advanced
Rebate standards
68%
meet CEE 2025 Tier 1, the level many utility rebates use.
101 models. All brands: 57%.
63%
meet Xcel Energy Colorado’s cold-climate rebate levels.
94 models. All brands: 53%.
1%
reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.
2 models. All brands: 3%.
AUX 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?
5 of AUX’s 5 models of this size and type have all five ratings.
- 1ASUM42HPMULOAUX3.5 tons · 42,000 Btu/h · DuctedCold-climate pick, score 76.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 83% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Good
- Winter efficiency
- 10.0 (HSPF2)
- Great
- Cooling efficiency
- 22.0 (SEER2)
- Top 10%
- Hot-day cooling
- 12.3 (EER2)
- Top 10%
- 2AHU48HPV1BOwith ducted air handler AHU48HPV1BIAUX4 tons · 48,000 Btu/h · DuctedCold-climate pick, score 76.7Meets 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
- 9.5 (HSPF2)
- Great
- Cooling efficiency
- 17.0 (SEER2)
- Good
- Hot-day cooling
- 10.0 (EER2)
- Below the middle
- 3AHU60HPV1BOwith ducted air handler AHU60HPV1BIAUX4.5 tons · 55,000 Btu/h · DuctedCold-climate pick, score 71.4Meets ENERGY STAR CC
- Heat kept at 5°F
- 87% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 9.5 (HSPF2)
- Great
- Cooling efficiency
- 16.5 (SEER2)
- Good
- Hot-day cooling
- 9.5 (EER2)
- Below the middle
- 4AHU48HPV1AOwith ducted air handler AHU48HPV1AIAUX4 tons · 48,000 Btu/h · DuctedCold-climate pick, score 72.3Meets none of the standards tracked here
- Heat kept at 5°F
- 84% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Good
- Winter efficiency
- 9.0 (HSPF2)
- Good
- Cooling efficiency
- 16.0 (SEER2)
- Good
- Hot-day cooling
- 9.5 (EER2)
- Below the middle
- 5AHU60HPV1AOwith ducted air handler AHU60HPV1AIAUX4.5 tons · 55,000 Btu/h · DuctedCold-climate pick, score 62.9Meets none of the standards tracked here
- Heat kept at 5°F
- 75% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 9.0 (HSPF2)
- Good
- Cooling efficiency
- 16.0 (SEER2)
- Good
- Hot-day cooling
- 9.5 (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 AUX’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.
Open the advanced view