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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 43% and a typical Star Air Kontrol model 51%. Star Air Kontrol rates higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

BOREAL

43%

of similar heat pumps beaten by its typical model

Below average

28 models listed

Star Air Kontrol

51%

of similar heat pumps beaten by its typical model

About average

55 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 31%Star Air Kontrol: Beats 56%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBOREAL: Beats 60%Star Air Kontrol: Beats 35%
  • Winter-long heating efficiencyHSPF2BOREAL: Beats 37%Star Air Kontrol: Beats 61%
  • Summer-long cooling efficiencySEER2BOREAL: Beats 44%Star Air Kontrol: Beats 57%
  • Hot-day cooling efficiencyEER2BOREAL: Beats 42%Star Air Kontrol: Beats 41%

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
    71%
    Star Air Kontrol
    51%

  • Xcel CC

    BOREAL
    68%
    Star Air Kontrol
    24%

  • CEE Advanced

    BOREAL
    0%
    Star Air Kontrol
    0%

  • ENERGY STAR CC

    BOREAL
    39%
    Star Air Kontrol
    20%

Top cold-climate picks, ducted 3.5–4.5 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, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

BOREAL

  1. 1ENVBR60HPJ1OAwith ducted air handler ENVBR48HPJ1IBBOREAL4 tons · 48,000 Btu/h · DuctedKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    58.1score / 100

Star Air Kontrol

None of Star Air Kontrol’s ducted, 3.5–4.5 tons models qualifies.

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