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AIRSTAR vs Bluefin: heat pump ratings compared

Against heat pumps of the same size and type, a typical AIRSTAR model beats 60% and a typical Bluefin model 53%. AIRSTAR rates higher overall.

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

AIRSTAR

60%

of similar heat pumps beaten by its typical model

Well above average

3 models listed

Bluefin

53%

of similar heat pumps beaten by its typical model

About average

3 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°FAIRSTAR: Beats 34%Bluefin: Beats 45%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAIRSTAR: Beats 53%Bluefin: Beats 26%
  • Winter-long heating efficiencyHSPF2AIRSTAR: Beats 58%Bluefin: Beats 41%
  • Summer-long cooling efficiencySEER2AIRSTAR: Beats 73%Bluefin: Beats 73%
  • Hot-day cooling efficiencyEER2AIRSTAR: Beats 73%Bluefin: Beats 62%

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

    AIRSTAR
    100%
    Bluefin
    100%

  • Xcel CC

    AIRSTAR
    100%
    Bluefin
    67%

  • CEE Advanced

    AIRSTAR
    0%
    Bluefin
    0%

  • ENERGY STAR CC

    AIRSTAR
    0%
    Bluefin
    67%

All-around best, ducted 2 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

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

AIRSTAR

No ducted, 2 tons model from AIRSTAR.

Bluefin

  1. 1BFMS27MZPL-02OBluefin2 tons · 26,600 Btu/h · DuctedCold-climate pick, score 48.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.0 (HSPF2)
    Good
    Cooling efficiency
    21.0 (SEER2)
    Top 10%
    Hot-day cooling
    12.0 (EER2)
    Good
    64.5score / 100Heating 49 · Cooling 81

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