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Innovair vs ZERO: heat pump ratings compared

Against heat pumps of the same size and type, a typical Innovair model beats 58% and a typical ZERO model 53%. Innovair rates higher overall.

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

Innovair

58%

of similar heat pumps beaten by its typical model

Above average

126 models listed

ZERO

53%

of similar heat pumps beaten by its typical model

About average

119 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°FInnovair: Beats 58%ZERO: Beats 45%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FInnovair: Beats 60%ZERO: Beats 52%
  • Winter-long heating efficiencyHSPF2Innovair: Beats 61%ZERO: Beats 57%
  • Summer-long cooling efficiencySEER2Innovair: Beats 60%ZERO: Beats 58%
  • Hot-day cooling efficiencyEER2Innovair: Beats 51%ZERO: Beats 48%

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

    Innovair
    83%
    ZERO
    71%

  • Xcel CC

    Innovair
    79%
    ZERO
    65%

  • CEE Advanced

    Innovair
    2%
    ZERO
    0%

  • ENERGY STAR CC

    Innovair
    69%
    ZERO
    53%

All-around best, ducted 5 tons and up

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

Showing Ducted, 5 tons and up (57,000 Btu/h and up cooling). What size is my system?

Innovair

  1. 1MOS60H2BM0Awith ducted air handler MDH60H2MHWAInnovair5 tons · 58,000 Btu/h · DuctedNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    67% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Winter efficiency
    9.7 (HSPF2)
    Top 10%
    Cooling efficiency
    17.0 (SEER2)
    Great
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    67.5score / 100Heating 87 · Cooling 48
  2. 2MOM60H2BM6AInnovairAlso listed as MOM60H2BM6B5 tons · 60,000 Btu/h · DuctedNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    67% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    9.2 (HSPF2)
    Great
    Cooling efficiency
    18.0 (SEER2)
    Great
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    62.5score / 100Heating 71 · Cooling 54
  3. 3PXV60H2AInnovair5 tons · 57,000 Btu/h · DuctedCold-climate pick, score 58.3Meets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.1 (HSPF2)
    Good
    Cooling efficiency
    17.0 (SEER2)
    Great
    Hot-day cooling
    10.6 (EER2)
    Below the middle
    57.7score / 100Heating 58 · Cooling 57

ZERO

  1. 1Z4SOV-60HDMB-USZERO5 tons · 60,000 Btu/h · DuctedNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    67% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    9.2 (HSPF2)
    Great
    Cooling efficiency
    18.0 (SEER2)
    Great
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    64.7score / 100Heating 76 · Cooling 54
  2. 2Z6SOV-60HDMB-USZERO5 tons · 60,000 Btu/h · DuctedNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    67% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    9.2 (HSPF2)
    Great
    Cooling efficiency
    18.0 (SEER2)
    Great
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    62.5score / 100Heating 71 · Cooling 54

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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