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EMI heat pumps: how do their ratings compare?

A typical EMI heat pump beats 62% of similar heat pumps (same size and type), which is well above average. EMI has 15 heat pump models in this list.

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

Overall score

62%

of similar heat pumps beaten by its typical model

Well above average

EMI has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 19 models with every rating.

EMI, rating by ratingStrongest on winter-long heating efficiency (beats 69%), weakest on efficiency on a 5°f day (beats 56%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 56%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 63%
  • Winter-long heating efficiencyHSPF2Beats 69%
  • Summer-long cooling efficiencySEER2Beats 61%
  • Hot-day cooling efficiencyEER2Beats 60%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want EMI’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 87%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    13 models. All brands: 57%.

    See them

  • 73%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    11 models. All brands: 53%.

    See them

  • 7%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    1 model. All brands: 3%.

    See them

Top EMI cold-climate picks, by size

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, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

6 of EMI’s 8 models of this size and type qualify.

  1. 1EMXSZ106DAwith ductless indoor unit EMXWAL06DAEMI0.5 tons · 6,000 Btu/h · DuctlessKeeps 110% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    110% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    14.8 (HSPF2)
    Top 10%
    96.7score / 100
  2. 2EMXSZ118DAwith ductless indoor unit EMXWAL18DAEMI1.5 tons · 18,000 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)
    Great
    Efficiency at 5°F
    1.92 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    11.0 (HSPF2)
    Great
    73.8score / 100
  3. 3EMXMZ218DAEMI1.5 tons · 19,000 Btu/h · DuctlessKeeps 95% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    95% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.4 (HSPF2)
    Great
    73.1score / 100
  4. 4EMXSZ109DAwith ductless indoor unit EMXWAL09DAEMI1 ton · 9,000 Btu/h · DuctlessKeeps 96% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    96% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    12.5 (HSPF2)
    Top 10%
    65.1score / 100
  5. 5EMXSZ112DAwith ductless indoor unit EMXWAL12DAEMI1 ton · 12,000 Btu/h · DuctlessKeeps 96% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    96% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    60.0score / 100

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has EMI’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

Open the advanced view