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ECO-AIR vs PolarWave: heat pump ratings compared

Against heat pumps of the same size and type, a typical ECO-AIR model beats 56% and a typical PolarWave model 54%. ECO-AIR rates slightly higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

ECO-AIR

56%

of similar heat pumps beaten by its typical model

Above average

58 models listed

PolarWave

54%

of similar heat pumps beaten by its typical model

About average

58 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°FECO-AIR: Beats 51%PolarWave: Beats 44%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FECO-AIR: Beats 53%PolarWave: Beats 57%
  • Winter-long heating efficiencyHSPF2ECO-AIR: Beats 69%PolarWave: Beats 66%
  • Summer-long cooling efficiencySEER2ECO-AIR: Beats 62%PolarWave: Beats 59%
  • Hot-day cooling efficiencyEER2ECO-AIR: Beats 47%PolarWave: Beats 43%

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

    ECO-AIR
    62%
    PolarWave
    60%

  • Xcel CC

    ECO-AIR
    45%
    PolarWave
    41%

  • CEE Advanced

    ECO-AIR
    2%
    PolarWave
    2%

  • ENERGY STAR CC

    ECO-AIR
    50%
    PolarWave
    47%

Top cold-climate picks, ductless 2.5–3 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

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

ECO-AIR

  1. 1M4OX630-36HFN1-M1XECO-AIR3 tons · 36,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.95 (COP at 5°F)
    Good
    Seasonal efficiency
    10.9 (HSPF2)
    Top 10%
    87.0score / 100
  2. 2M4OI-36HFN1-MECO-AIR (sold as Eco Air)3 tons · 36,000 Btu/h · DuctlessKeeps 97% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Good
    Seasonal efficiency
    10.3 (HSPF2)
    Great
    79.3score / 100
  3. 3MOE30U-36HFN1-M(GA)with ductless indoor unit MCD1-36HRFN1-M(GA)ECO-AIR3 tons · 36,000 Btu/h · DuctlessKeeps 103% of its heat at 5°FMeets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    103% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.83 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    75.0score / 100

PolarWave

  1. 1ACIQ-36Z-HH-M4BPolarWave3 tons · 36,000 Btu/h · DuctlessKeeps 97% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Good
    Seasonal efficiency
    10.3 (HSPF2)
    Great
    79.3score / 100
  2. 2ACIQ-36ZPL-HP230Bwith ductless indoor unit ACIQ-36CC-HH-MBPolarWave3 tons · 36,000 Btu/h · DuctlessKeeps 103% of its heat at 5°FMeets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    103% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.83 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    75.0score / 100
  3. 3ACIQ-27Z-HH-M3BPolarWave2.5 tons · 28,000 Btu/h · DuctlessKeeps 89% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.6 (HSPF2)
    Top 10%
    61.4score / 100

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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