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COSTWAY vs iCongo: heat pump ratings compared

Against heat pumps of the same size and type, a typical COSTWAY model beats 46% and a typical iCongo model 42%. COSTWAY rates slightly higher overall.

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

COSTWAY

46%

of similar heat pumps beaten by its typical model

About average

47 models listed

iCongo

42%

of similar heat pumps beaten by its typical model

Below 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°FCOSTWAY: Beats 57%iCongo: Beats 37%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCOSTWAY: Beats 35%iCongo: Beats 52%
  • Winter-long heating efficiencyHSPF2COSTWAY: Beats 45%iCongo: Beats 49%
  • Summer-long cooling efficiencySEER2COSTWAY: Beats 49%iCongo: Beats 48%
  • Hot-day cooling efficiencyEER2COSTWAY: Beats 36%iCongo: Beats 28%

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

    COSTWAY
    64%
    iCongo
    32%

  • Xcel CC

    COSTWAY
    43%
    iCongo
    32%

  • CEE Advanced

    COSTWAY
    0%
    iCongo
    0%

  • ENERGY STAR CC

    COSTWAY
    30%
    iCongo
    0%

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?

COSTWAY

  1. 1FP10983USwith ducted air handler FP10986USCOSTWAY4.5 tons · 55,500 Btu/h · DuctedCold-climate pick, score 64.7Meets 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
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    8.6 (HSPF2)
    Good
    Cooling efficiency
    17.0 (SEER2)
    Good
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    54.1score / 100Heating 65 · Cooling 44
  2. 2FP11020USwith ducted air handler FP11023USCOSTWAY4.5 tons · 53,000 Btu/h · DuctedCold-climate pick, score 42.8Meets none of the standards tracked here
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.2 (HSPF2)
    Good
    Cooling efficiency
    17.0 (SEER2)
    Good
    Hot-day cooling
    8.0 (EER2)
    Below the middle
    38.0score / 100Heating 43 · Cooling 33

iCongo

  1. 1ZWDA-48HI1N4-M-SE18iCongoAlso listed as ZWDB-48HI1N4S4-M-SE184 tons · 48,000 Btu/h · DuctedCold-climate pick, score 60.3Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    93% (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
    19.0 (SEER2)
    Great
    Hot-day cooling
    11.2 (EER2)
    Good
    65.5score / 100Heating 60 · Cooling 71
  2. 2ZWDA-48HI1N4-M-SE18*iCongo4 tons · 48,000 Btu/h · DuctedCold-climate pick, score 60.2Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    93% (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
    19.0 (SEER2)
    Great
    Hot-day cooling
    11.2 (EER2)
    Good
    65.5score / 100Heating 60 · Cooling 71
  3. 3ZWDA-60HI1N4-M-SE18iCongo4.5 tons · 55,000 Btu/h · DuctedCold-climate pick, score 56.9Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.82 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.0 (HSPF2)
    Good
    Cooling efficiency
    18.5 (SEER2)
    Great
    Hot-day cooling
    10.6 (EER2)
    Below the middle
    57.9score / 100Heating 57 · Cooling 59

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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