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AIRTEMP vs COSTWAY: heat pump ratings compared

Against heat pumps of the same size and type, a typical AIRTEMP model beats 36% and a typical COSTWAY model 46%. COSTWAY rates higher overall.

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

AIRTEMP

36%

of similar heat pumps beaten by its typical model

Well below average

47 models listed

COSTWAY

46%

of similar heat pumps beaten by its typical model

About average

47 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°FAIRTEMP: Beats 25%COSTWAY: Beats 57%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAIRTEMP: Beats 37%COSTWAY: Beats 35%
  • Winter-long heating efficiencyHSPF2AIRTEMP: Beats 30%COSTWAY: Beats 45%
  • Summer-long cooling efficiencySEER2AIRTEMP: Beats 35%COSTWAY: Beats 49%
  • Hot-day cooling efficiencyEER2AIRTEMP: Beats 48%COSTWAY: Beats 36%

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

    AIRTEMP
    43%
    COSTWAY
    64%

  • Xcel CC

    AIRTEMP
    40%
    COSTWAY
    43%

  • CEE Advanced

    AIRTEMP
    4%
    COSTWAY
    0%

  • ENERGY STAR CC

    AIRTEMP
    26%
    COSTWAY
    30%

All-around best, ductless 2 tons

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

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

AIRTEMP

  1. 1DXH24PSK3IHwith ductless indoor unit DHH24PUK3IHAIRTEMP2 tons · 22,000 Btu/h · DuctlessCold-climate pick, score 50.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    79% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    26.0 (SEER2)
    Top 10%
    Hot-day cooling
    13.7 (EER2)
    Top 10%
    72.2score / 100Heating 50 · Cooling 94
  2. 2DXH24FMK3IHAIRTEMP2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 67.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (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
    21.0 (SEER2)
    Below the middle
    Hot-day cooling
    13.3 (EER2)
    Great
    67.6score / 100Heating 68 · Cooling 68
  3. 3DXH24ESK3ILwith ductless indoor unit DHH24ESK3ILAIRTEMP2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 13.1Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.75 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.5 (HSPF2)
    Below the middle
    Cooling efficiency
    19.0 (SEER2)
    Below the middle
    Hot-day cooling
    11.9 (EER2)
    Below the middle
    24.3score / 100Heating 13 · Cooling 36

COSTWAY

  1. 1FP10898US-12WHwith ductless indoor unit FP10898US-22WHCOSTWAY2 tons · 22,400 Btu/h · DuctlessCold-climate pick, score 77.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    85% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    25.0 (SEER2)
    Top 10%
    Hot-day cooling
    14.0 (EER2)
    Top 10%
    86.5score / 100Heating 77 · Cooling 96
  2. 2FP10841US-WHCOSTWAY2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 67.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (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
    23.0 (SEER2)
    Great
    Hot-day cooling
    12.5 (EER2)
    Good
    71.8score / 100Heating 68 · Cooling 76
  3. 3FP10524US-12WHwith ductless indoor unit FP10524US-22WHCOSTWAY2 tons · 22,000 Btu/h · DuctlessNot a cold-climate pick: keeps 24% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    24% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.27 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    21.0 (SEER2)
    Below the middle
    Hot-day cooling
    13.0 (EER2)
    Great
    58.6score / 100Heating 53 · Cooling 65

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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