Skip to content
Rebate.Blue

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 average

9 models listed

Endura

63%

of similar heat pumps beaten by its typical model

Well above average

9 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • 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

Share of each brand’s models that meet the level. Programs can have other rules too.

  • 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%

Top cold-climate picks, ducted 2 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

Showing Ducted, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

Antarctic Star

No ducted, 2 tons model from Antarctic Star.

Endura

  1. 1HBEFU-24R454Bwith ducted air handler HBEC-FC24R454BEndura2 tons · 24,000 Btu/h · DuctedKeeps 88% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    88% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    82.1score / 100

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