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ADP vs HAXXAIR: heat pump ratings compared

Against heat pumps of the same size and type, a typical ADP model beats 49% and a typical HAXXAIR model 71%. HAXXAIR 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

HAXXAIR

71%

of similar heat pumps beaten by its typical model

Well above 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%HAXXAIR: Beats 55%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FADP: Beats 86%HAXXAIR: Beats 78%
  • Winter-long heating efficiencyHSPF2ADP: Beats 51%HAXXAIR: Beats 69%
  • Summer-long cooling efficiencySEER2ADP: Beats 37%HAXXAIR: Beats 78%
  • Hot-day cooling efficiencyEER2ADP: Beats 43%HAXXAIR: Beats 73%

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%
    HAXXAIR
    100%

  • Xcel CC

    ADP
    87%
    HAXXAIR
    100%

  • CEE Advanced

    ADP
    7%
    HAXXAIR
    13%

  • ENERGY STAR CC

    ADP
    0%
    HAXXAIR
    100%

All-around best, ducted 3.5–4.5 tons

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

Showing Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

ADP

  1. 1KUSXA422Awith ducted air handler HG48*60+TXV+TDADP3.5 tons · 41,000 Btu/h · DuctedCold-climate pick, score 66.4Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    98% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.9 (HSPF2)
    Good
    Cooling efficiency
    16.0 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Good
    65.1score / 100Heating 66 · Cooling 64
  2. 2KUSXA482Awith ducted air handler HG48*60+TXV+TDADP4 tons · 45,500 Btu/h · DuctedCold-climate pick, score 66.4Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.1 (HSPF2)
    Great
    Cooling efficiency
    16.0 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Good
    65.0score / 100Heating 66 · Cooling 64
  3. 3KUSXB601Awith ducted air handler PL60H210P29*+TXV+TDADP4 tons · 45,500 Btu/h · DuctedCold-climate pick, score 58.2Meets Xcel CC
    Heat kept at 5°F
    85% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.9 (HSPF2)
    Good
    Cooling efficiency
    15.2 (SEER2)
    Below the middle
    Hot-day cooling
    11.7 (EER2)
    Good
    56.3score / 100Heating 56 · Cooling 57

HAXXAIR

  1. 1HVHDZ-48V2Dwith ducted air handler HAHDZ-48V2DHAXXAIR4 tons · 48,000 Btu/h · DuctedCold-climate pick, score 77.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    77% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.52 (COP at 5°F)
    Top 10%
    Winter efficiency
    9.0 (HSPF2)
    Good
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    82.3score / 100Heating 77 · Cooling 87
  2. 2HVHMZ-42V2DHAXXAIR3.5 tons · 42,000 Btu/h · DuctedCold-climate pick, score 50.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.8 (HSPF2)
    Good
    Cooling efficiency
    18.0 (SEER2)
    Great
    Hot-day cooling
    11.4 (EER2)
    Good
    59.2score / 100Heating 51 · Cooling 68

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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