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AIR MAX heat pumps: how do their ratings compare?

A typical AIR MAX heat pump beats 54% of similar heat pumps (same size and type), which is about average. AIR MAX has 13 heat pump models in this list.

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

Overall score

54%

of similar heat pumps beaten by its typical model

About average

AIR MAX has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 20 models with every rating.

AIR MAX, rating by ratingStrongest on hot-day cooling efficiency (beats 63%), weakest on winter-long heating efficiency (beats 38%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 53%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 55%
  • Winter-long heating efficiencyHSPF2Beats 38%
  • Summer-long cooling efficiencySEER2Beats 56%
  • Hot-day cooling efficiencyEER2Beats 63%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want AIR MAX’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 100%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    13 models. All brands: 57%.

    See them

  • 85%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    11 models. All brands: 53%.

    See them

  • 8%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    1 model. All brands: 3%.

    See them

AIR MAX all-around best, by size

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?

3 of AIR MAX’s 3 models of this size and type have all five ratings.

  1. 1AFMKH42-H2AIR MAX3.5 tons · 42,000 Btu/h · DuctedCold-climate pick, score 55.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    86% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.1 (HSPF2)
    Good
    Cooling efficiency
    18.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    69.1score / 100Heating 56 · Cooling 83
  2. 2AFMKH60-H2AIR MAX4.5 tons · 55,000 Btu/h · DuctedNot a cold-climate pick: keeps 56% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    56% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Great
    Winter efficiency
    8.0 (HSPF2)
    Below the middle
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Good
    67.6score / 100Heating 55 · Cooling 80
  3. 3AFMKH48-H2AIR MAX4 tons · 48,000 Btu/h · DuctedCold-climate pick, score 50.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.1 (HSPF2)
    Good
    Cooling efficiency
    18.0 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Good
    62.9score / 100Heating 50 · Cooling 75

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has AIR MAX’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

Open the advanced view