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Armbridge vs ECO AC: heat pump ratings compared

Against heat pumps of the same size and type, a typical Armbridge model beats 55% and a typical ECO AC model 59%. ECO AC rates slightly higher overall.

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

Armbridge

55%

of similar heat pumps beaten by its typical model

About average

23 models listed

ECO AC

59%

of similar heat pumps beaten by its typical model

Above average

22 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°FArmbridge: Beats 46%ECO AC: Beats 44%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FArmbridge: Beats 50%ECO AC: Beats 68%
  • Winter-long heating efficiencyHSPF2Armbridge: Beats 62%ECO AC: Beats 47%
  • Summer-long cooling efficiencySEER2Armbridge: Beats 64%ECO AC: Beats 64%
  • Hot-day cooling efficiencyEER2Armbridge: Beats 49%ECO AC: Beats 68%

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

    Armbridge
    57%
    ECO AC
    96%

  • Xcel CC

    Armbridge
    61%
    ECO AC
    96%

  • CEE Advanced

    Armbridge
    4%
    ECO AC
    14%

  • ENERGY STAR CC

    Armbridge
    39%
    ECO AC
    100%

All-around best, ductless up to 1.5 tons

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

Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

Armbridge

  1. 1AB-GTMH18-230VOArmbridge1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 82.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    121% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    11.0 (HSPF2)
    Great
    Cooling efficiency
    23.3 (SEER2)
    Good
    Hot-day cooling
    12.5 (EER2)
    Good
    74.3score / 100Heating 83 · Cooling 66
  2. 2AB-TS09LS-230VOwith ductless indoor unit AB-TS09CT-230VIArmbridge1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 58.9Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    23.0 (SEER2)
    Good
    Hot-day cooling
    12.5 (EER2)
    Good
    61.4score / 100Heating 59 · Cooling 64
  3. 3AB-GTMR18-230VOArmbridge1.5 tons · 17,700 Btu/h · DuctlessCold-climate pick, score 64.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    22.0 (SEER2)
    Good
    Hot-day cooling
    12.3 (EER2)
    Good
    59.7score / 100Heating 65 · Cooling 55

ECO AC

  1. 1EHP-O09KBBwith ductless indoor unit EHP-W09KBBECO AC1 ton · 9,100 Btu/h · DuctlessCold-climate pick, score 87.2Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    108% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.11 (COP at 5°F)
    Great
    Winter efficiency
    11.2 (HSPF2)
    Great
    Cooling efficiency
    30.0 (SEER2)
    Top 10%
    Hot-day cooling
    16.8 (EER2)
    Top 10%
    92.6score / 100Heating 87 · Cooling 98
  2. 2EHP-O12KBBwith ductless indoor unit EHP-W12KBBECO AC1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 72.1Meets 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
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    29.5 (SEER2)
    Top 10%
    Hot-day cooling
    15.2 (EER2)
    Top 10%
    84.3score / 100Heating 72 · Cooling 97
  3. 3EHH-O09KBBwith ductless indoor unit EHH-W09KBBECO AC1 ton · 9,100 Btu/h · DuctlessCold-climate pick, score 62.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.88 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.4 (HSPF2)
    Great
    Cooling efficiency
    26.0 (SEER2)
    Top 10%
    Hot-day cooling
    15.0 (EER2)
    Top 10%
    78.0score / 100Heating 62 · Cooling 94

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.

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