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BOREAL vs Star Air Kontrol: heat pump ratings compared

Against heat pumps of the same size and type, a typical BOREAL model beats 53% and a typical Star Air Kontrol model 56%. Star Air Kontrol rates slightly higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

BOREAL

53%

of similar heat pumps beaten by its typical model

About average

49 models listed

Star Air Kontrol

56%

of similar heat pumps beaten by its typical model

Above average

51 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°FBOREAL: Beats 43%Star Air Kontrol: Beats 61%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBOREAL: Beats 59%Star Air Kontrol: Beats 46%
  • Winter-long heating efficiencyHSPF2BOREAL: Beats 41%Star Air Kontrol: Beats 66%
  • Summer-long cooling efficiencySEER2BOREAL: Beats 59%Star Air Kontrol: Beats 62%
  • Hot-day cooling efficiencyEER2BOREAL: Beats 58%Star Air Kontrol: Beats 45%

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

    BOREAL
    88%
    Star Air Kontrol
    84%

  • Xcel CC

    BOREAL
    88%
    Star Air Kontrol
    71%

  • CEE Advanced

    BOREAL
    6%
    Star Air Kontrol
    2%

  • ENERGY STAR CC

    BOREAL
    61%
    Star Air Kontrol
    49%

Top cold-climate picks, ducted 2.5–3 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, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

BOREAL

  1. 1ENX36HPJ132OAwith ducted air handler ENX36HPJ132IABOREALAlso listed as ARX36HPJ1R32OA3 tons · 34,000 Btu/h · DuctedKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    76.9score / 100
  2. 2ARXE30HPJ1R32OAwith ducted air handler ARX30HPJ1R32IABOREAL2.5 tons · 27,000 Btu/h · DuctedKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.14 (COP at 5°F)
    Great
    Seasonal efficiency
    8.3 (HSPF2)
    Good
    62.9score / 100
  3. 3MUL36HPJ132OABOREAL3 tons · 36,000 Btu/h · DuctedKeeps 92% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.1 (HSPF2)
    Below the middle
    52.2score / 100

Star Air Kontrol

  1. 1S36SCQ2Cwith ducted air handler S36AUPDAStar Air Kontrol3 tons · 36,000 Btu/h · DuctedKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    64.5score / 100
  2. 2SAK-36-QZ/220VStar Air Kontrol3 tons · 35,000 Btu/h · DuctedKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.2 (HSPF2)
    Good
    60.6score / 100
  3. 3S36TCP2C*with ducted air handler S36AUP2AStar Air Kontrol3 tons · 34,000 Btu/h · DuctedKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    55.4score / 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