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MOOVAIR vs SLIMAIR: heat pump ratings compared

Against heat pumps of the same size and type, a typical MOOVAIR model beats 68% and a typical SLIMAIR model 60%. MOOVAIR rates higher overall.

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

MOOVAIR

68%

of similar heat pumps beaten by its typical model

Well above average

48 models listed

SLIMAIR

60%

of similar heat pumps beaten by its typical model

Well above average

48 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°FMOOVAIR: Beats 58%SLIMAIR: Beats 60%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FMOOVAIR: Beats 68%SLIMAIR: Beats 59%
  • Winter-long heating efficiencyHSPF2MOOVAIR: Beats 80%SLIMAIR: Beats 73%
  • Summer-long cooling efficiencySEER2MOOVAIR: Beats 72%SLIMAIR: Beats 61%
  • Hot-day cooling efficiencyEER2MOOVAIR: Beats 65%SLIMAIR: Beats 53%

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

    MOOVAIR
    92%
    SLIMAIR
    90%

  • Xcel CC

    MOOVAIR
    92%
    SLIMAIR
    77%

  • CEE Advanced

    MOOVAIR
    2%
    SLIMAIR
    2%

  • ENERGY STAR CC

    MOOVAIR
    88%
    SLIMAIR
    79%

Top cold-climate picks, ductless up to 1.5 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, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

MOOVAIR

  1. 1MSHHA12C2AN1with ductless indoor unit MWHHA12C2AS1MOOVAIR1 ton · 12,000 Btu/h · DuctlessKeeps 113% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    113% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    12.7 (HSPF2)
    Top 10%
    85.4score / 100
  2. 2MSHEA09C2AN1with ductless indoor unit MWHEA09C2AN1MOOVAIRAlso listed as MSHEA09C2AN1 ton · 9,000 Btu/h · DuctlessKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.37 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    12.5 (HSPF2)
    Top 10%
    84.4score / 100
  3. 3MSHEA12C2AN1with ductless indoor unit GFHRA12C2AS1MOOVAIR1 ton · 12,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.51 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    11.0 (HSPF2)
    Great
    76.6score / 100

SLIMAIR

  1. 1SHC06AH2AGwith ductless indoor unit SHM06AE2AGSLIMAIR0.5 tons · 6,000 Btu/h · DuctlessKeeps 107% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    107% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.29 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    14.6 (HSPF2)
    Top 10%
    93.8score / 100
  2. 2SHC09AE2AGwith ductless indoor unit SHM09AE2AGSLIMAIR1 ton · 9,000 Btu/h · DuctlessKeeps 82% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.33 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    13.0 (HSPF2)
    Top 10%
    85.9score / 100
  3. 3SHC18AH2AGwith ductless indoor unit SHM18AE2AGSLIMAIR1.5 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
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.8 (HSPF2)
    Great
    78.3score / 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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