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Top cold-climate picks by size

Heat pumps that keep most of their heat when it is 5°F outside, ranked on three ratings at once against units their size: how much heat they keep, how efficient they are at 5°F, and how efficient they are over a whole winter (HSPF2).

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

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

Top cold-climate picks, ductless 5 tons and up

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.

17 of 32 models in this size class qualify. 13 keep less than 70% of their heat at 5°F.

  1. 1MCY-MAP0607HS-UL*Carrier (sold as Toshiba Carrier)5 tons · 60,000 Btu/h · DuctlessKeeps 78% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Great
    Seasonal efficiency
    10.6 (HSPF2)
    Top 10%
    89.2score / 100
  2. 2ARUB060GSS4LG5 tons · 60,000 Btu/h · DuctlessKeeps 88% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    88% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.45 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    9.6 (HSPF2)
    Below the middle
    71.5score / 100
  3. 3MXZ-SM60NAM***Mitsubishi ElectricAlso sold as Trane / Mitsubishi Electric NTXMSM60A182A5 tons · 60,000 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    60.2score / 100
  4. 4LMU601HVLG5 tons · 60,000 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.01 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    57.5score / 100
  5. 5MXZ-SM60NAM2Mitsubishi ElectricAlso sold as Trane / Mitsubishi Electric NTXMSM60A182B; also listed as PUMY-P60NKMU4, MXZ-SM60NAM25 tons · 60,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    56.5score / 100
  6. 6ARUN060GSS4LG5 tons · 60,000 Btu/h · DuctlessKeeps 78% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.83 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    48.9score / 100
  7. 7AM060MXMDCHSamsungAlso listed as AM060NXMDCR5 tons · 60,000 Btu/h · DuctlessKeeps 78% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.89 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.8 (HSPF2)
    Below the middle
    46.2score / 100
  8. 8GMV-V60WL/C-T(U)GreeAlso sold as Tosot TVRF-V60WL/C, Kinghome KUV-60UHO5 tons · 60,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Seasonal efficiency
    9.2 (HSPF2)
    Below the middle
    36.0score / 100

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

Want every qualifier’s peer percentiles and the all-sizes board? Switch to Advanced

What good looks like: ductless, 5 tons and up

Good is better than half of this size class, great is the top quarter, top is the top 10%. The scale comes from the class’s own ratings.

  • Capacity at 5°F vs 47°F

    Heating power kept at 5°F

    How much of its mild-weather heating power the unit still delivers at 5°F.

    Good
    70%+
    Great
    72%+
    Top 10%
    78%+

  • COP at 5°F

    Efficiency on a 5°F day

    How much heat the unit makes from each unit of electricity when it is 5°F outside.

    Good
    2.10+
    Great
    2.30+
    Top 10%
    2.45+

  • HSPF2

    Winter-long heating efficiency

    Heating efficiency over a whole winter, measured with a federal test.

    Good
    9.8+
    Great
    10.5+
    Top 10%
    10.5+

Next steps

The advanced view adds the all-sizes boards, each qualifier’s peer percentiles, charts of every model in each size class, and the EER2 and heat output boards.

Open the advanced view