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DUOHOME vs EMI: heat pump ratings compared

Against heat pumps of the same size and type, a typical DUOHOME model beats 52% and a typical EMI model 58%. EMI rates higher overall.

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

DUOHOME

52%

of similar heat pumps beaten by its typical model

About average

22 models listed

EMI

58%

of similar heat pumps beaten by its typical model

Above average

22 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°FDUOHOME: Beats 51%EMI: Beats 49%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDUOHOME: Beats 38%EMI: Beats 67%
  • Winter-long heating efficiencyHSPF2DUOHOME: Beats 61%EMI: Beats 68%
  • Summer-long cooling efficiencySEER2DUOHOME: Beats 57%EMI: Beats 57%
  • Hot-day cooling efficiencyEER2DUOHOME: Beats 44%EMI: 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

    DUOHOME
    59%
    EMI
    68%

  • Xcel CC

    DUOHOME
    27%
    EMI
    64%

  • CEE Advanced

    DUOHOME
    0%
    EMI
    0%

  • ENERGY STAR CC

    DUOHOME
    0%
    EMI
    73%

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?

DUOHOME

  1. 1D3OJ-27HFN1-MDUOHOME2.5 tons · 27,000 Btu/h · DuctlessKeeps 71% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.83 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.2 (HSPF2)
    Good
    50.1score / 100

EMI

  1. 1MHMZ436DAEMI3 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. 2MHMZ327DAEMI2.5 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.

Open the advanced view