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ADP vs ISLANDAIRE: heat pump ratings compared

Against heat pumps of the same size and type, a typical ADP model beats 49% and a typical ISLANDAIRE model 17%. ADP rates higher overall.

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

ADP

49%

of similar heat pumps beaten by its typical model

About average

15 models listed

ISLANDAIRE

17%

of similar heat pumps beaten by its typical model

Well below average

15 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°FADP: Beats 35%ISLANDAIRE: Beats 22%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FADP: Beats 86%ISLANDAIRE: Beats 17%
  • Winter-long heating efficiencyHSPF2ADP: Beats 51%ISLANDAIRE: Beats 5%
  • Summer-long cooling efficiencySEER2ADP: Beats 37%ISLANDAIRE: Beats 19%
  • Hot-day cooling efficiencyEER2ADP: Beats 43%ISLANDAIRE: Beats 20%

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

    ADP
    27%
    ISLANDAIRE
    0%

  • Xcel CC

    ADP
    87%
    ISLANDAIRE
    0%

  • CEE Advanced

    ADP
    7%
    ISLANDAIRE
    0%

  • ENERGY STAR CC

    ADP
    0%
    ISLANDAIRE
    0%

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?

ADP

  1. 1KUSXB241Awith ducted air handler FE*G32*30+TXVADP2 tons · 21,600 Btu/h · DuctedCold-climate pick, score 68.4Meets CEE Advanced, Xcel CC, DOE CCHP
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.12 (COP at 5°F)
    Good
    Winter efficiency
    8.5 (HSPF2)
    Below the middle
    Cooling efficiency
    15.2 (SEER2)
    Below the middle
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    53.2score / 100Heating 68 · Cooling 38
  2. 2NS18H24HA5***with ducted air handler HG8J*36+TXV+TDADP2 tons · 24,000 Btu/h · DuctedCold-climate pick, score 55.8Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    94% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.0 (HSPF2)
    Good
    Cooling efficiency
    16.0 (SEER2)
    Below the middle
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    49.1score / 100Heating 56 · Cooling 43
  3. 3KUSXA241Awith ducted air handler HG8J*36+TXV+TDADP2 tons · 21,400 Btu/h · DuctedCold-climate pick, score 59.1Meets none of the standards tracked here
    Heat kept at 5°F
    117% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.86 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.6 (HSPF2)
    Below the middle
    Cooling efficiency
    15.0 (SEER2)
    Below the middle
    Hot-day cooling
    11.0 (EER2)
    Below the middle
    42.0score / 100Heating 59 · Cooling 25

ISLANDAIRE

  1. 1EZVV24L**1N*7A*ISLANDAIRE2 tons · 22,000 Btu/h · DuctedNot a cold-climate pick: keeps 55% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    55% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Winter efficiency
    7.1 (HSPF2)
    Below the middle
    Cooling efficiency
    12.8 (SEER2)
    Below the middle
    Hot-day cooling
    9.2 (EER2)
    Below the middle
    11.2score / 100Heating 20 · Cooling 3

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