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Carrier vs COSTWAY: heat pump ratings compared

Against heat pumps of the same size and type, a typical Carrier model beats 48% and a typical COSTWAY model 46%. Carrier rates slightly higher overall.

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

Carrier

48%

of similar heat pumps beaten by its typical model

About average

816 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°FCarrier: Beats 56%COSTWAY: Beats 57%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCarrier: Beats 34%COSTWAY: Beats 35%
  • Winter-long heating efficiencyHSPF2Carrier: Beats 40%COSTWAY: Beats 45%
  • Summer-long cooling efficiencySEER2Carrier: Beats 42%COSTWAY: Beats 49%
  • Hot-day cooling efficiencyEER2Carrier: Beats 59%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

    Carrier
    40%
    COSTWAY
    64%

  • Xcel CC

    Carrier
    27%
    COSTWAY
    43%

  • CEE Advanced

    Carrier
    1%
    COSTWAY
    0%

  • ENERGY STAR CC

    Carrier
    27%
    COSTWAY
    30%

All-around best, ductless 2.5–3 tons

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

Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

Carrier

  1. 1RAV-BP301AT2P-ULwith ductless indoor unit RAV-HB301UTP-ULCarrier (sold as Toshiba Carrier)2.5 tons · 30,000 Btu/h · DuctlessCold-climate pick, score 85.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Top 10%
    Winter efficiency
    11.8 (HSPF2)
    Top 10%
    Cooling efficiency
    24.5 (SEER2)
    Top 10%
    Hot-day cooling
    14.1 (EER2)
    Top 10%
    91.0score / 100Heating 86 · Cooling 96
  2. 2MCY-MUB0368HS2P-ULCarrier (sold as Toshiba Carrier)3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 78.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.42 (COP at 5°F)
    Top 10%
    Winter efficiency
    12.1 (HSPF2)
    Top 10%
    Cooling efficiency
    29.1 (SEER2)
    Top 10%
    Hot-day cooling
    17.2 (EER2)
    Top 10%
    89.2score / 100Heating 78 · Cooling 100
  3. 3RAV-BP361AT2P-ULwith ductless indoor unit RAV-HB361UTP-ULCarrier (sold as Toshiba Carrier)3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 85.0Meets 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
    2.20 (COP at 5°F)
    Top 10%
    Winter efficiency
    11.3 (HSPF2)
    Top 10%
    Cooling efficiency
    24.8 (SEER2)
    Top 10%
    Hot-day cooling
    13.4 (EER2)
    Top 10%
    88.2score / 100Heating 84 · Cooling 93

COSTWAY

  1. 1FP10840US-WHCOSTWAY2.5 tons · 30,000 Btu/h · DuctlessCold-climate pick, score 57.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    82% (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
    23.0 (SEER2)
    Great
    Hot-day cooling
    12.5 (EER2)
    Great
    66.6score / 100Heating 57 · Cooling 76
  2. 2FP11134US*COSTWAY2.5 tons · 27,000 Btu/h · DuctlessCold-climate pick, score 57.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    24.0 (SEER2)
    Top 10%
    Hot-day cooling
    12.0 (EER2)
    Good
    65.1score / 100Heating 58 · Cooling 73
  3. 3FP10842US-WHCOSTWAY3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 51.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    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
    12.3 (EER2)
    Good
    62.6score / 100Heating 51 · Cooling 74

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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