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Antarctic Star vs Endura: heat pump ratings compared
Against heat pumps of the same size and type, a typical Antarctic Star model beats 34% and a typical Endura model 63%. Endura rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Antarctic Star
34%
of similar heat pumps beaten by its typical model
Well below average9 models listed
Endura
63%
of similar heat pumps beaten by its typical model
Well above average9 models listed
- Efficiency on a 5°F dayCOP at 5°FAntarctic Star: Beats 62%Endura: Beats 47%
- Heating power kept at 5°FCapacity at 5°F vs 47°FAntarctic Star: Beats 26%Endura: Beats 73%
- Winter-long heating efficiencyHSPF2Antarctic Star: Beats 25%Endura: Beats 57%
- Summer-long cooling efficiencySEER2Antarctic Star: Beats 38%Endura: Beats 69%
- Hot-day cooling efficiencyEER2Antarctic Star: Beats 22%Endura: Beats 66%
Average (50%)Dashed outline: the other brand, for comparison
Want ranks, distributions per size class and cold-weather curves? Switch to Advanced
Rebate standards
CEE 2025
- Antarctic Star
- 78%
- Endura
- 100%
Xcel CC
- Antarctic Star
- 44%
- Endura
- 100%
CEE Advanced
- Antarctic Star
- 0%
- Endura
- 0%
ENERGY STAR CC
- Antarctic Star
- 0%
- Endura
- 100%
All-around best, ducted 5 tons and up
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, 5 tons and up (57,000 Btu/h and up cooling). What size is my system?
Antarctic Star
No ducted, 5 tons and up model from Antarctic Star.
Endura
- 1HBEFU-60R454Bwith ducted air handler HBEC-FC60R454BEndura5 tons · 57,000 Btu/h · DuctedCold-climate pick, score 88.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 75% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.42 (COP at 5°F)
- Top 10%
- Winter efficiency
- 9.0 (HSPF2)
- Good
- Cooling efficiency
- 19.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.0 (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.
Open the advanced view