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MSH LEGACY vs TRUENORTH: heat pump ratings compared

Against heat pumps of the same size and type, a typical MSH LEGACY model beats 34% and a typical TRUENORTH model 53%. TRUENORTH rates higher overall.

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

MSH LEGACY

34%

of similar heat pumps beaten by its typical model

Well below average

7 models listed

TRUENORTH

53%

of similar heat pumps beaten by its typical model

About average

10 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°FMSH LEGACY: Beats 25%TRUENORTH: Beats 54%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FMSH LEGACY: Beats 11%TRUENORTH: Beats 59%
  • Winter-long heating efficiencyHSPF2MSH LEGACY: Beats 24%TRUENORTH: Beats 38%
  • Summer-long cooling efficiencySEER2MSH LEGACY: Beats 39%TRUENORTH: Beats 50%
  • Hot-day cooling efficiencyEER2MSH LEGACY: Beats 56%TRUENORTH: Beats 63%

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

    MSH LEGACY
    0%
    TRUENORTH
    90%

  • Xcel CC

    MSH LEGACY
    0%
    TRUENORTH
    90%

  • CEE Advanced

    MSH LEGACY
    0%
    TRUENORTH
    10%

  • ENERGY STAR CC

    MSH LEGACY
    0%
    TRUENORTH
    0%

All-around best, ductless 2.5–3 tons

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

Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

MSH LEGACY

No ductless, 2.5–3 tons model from MSH LEGACY.

TRUENORTH

  1. 1WLWHD(30)ND6MOTRUENORTH2.5 tons · 28,400 Btu/h · DuctlessCold-climate pick, score 69.8Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.07 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    21.0 (SEER2)
    Below the middle
    Hot-day cooling
    13.6 (EER2)
    Top 10%
    70.5score / 100Heating 70 · Cooling 71
  2. 2WLWHD(36)ND6MOTRUENORTH3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 77.2Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    21.0 (SEER2)
    Below the middle
    Hot-day cooling
    12.0 (EER2)
    Good
    64.5score / 100Heating 77 · Cooling 52

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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