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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 51% and a typical TRUENORTH model 41%. MSH LEGACY rates higher overall.

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

MSH LEGACY

51%

of similar heat pumps beaten by its typical model

About average

18 models listed

TRUENORTH

41%

of similar heat pumps beaten by its typical model

Below average

18 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 78%TRUENORTH: Beats 36%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FMSH LEGACY: Beats 16%TRUENORTH: Beats 54%
  • Winter-long heating efficiencyHSPF2MSH LEGACY: Beats 33%TRUENORTH: Beats 45%
  • Summer-long cooling efficiencySEER2MSH LEGACY: Beats 29%TRUENORTH: Beats 41%
  • Hot-day cooling efficiencyEER2MSH LEGACY: Beats 91%TRUENORTH: Beats 33%

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
    50%

  • Xcel CC

    MSH LEGACY
    0%
    TRUENORTH
    39%

  • CEE Advanced

    MSH LEGACY
    0%
    TRUENORTH
    0%

  • ENERGY STAR CC

    MSH LEGACY
    0%
    TRUENORTH
    0%

Top cold-climate picks, ductless 3.5–4.5 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, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

MSH LEGACY

No ductless, 3.5–4.5 tons model from MSH LEGACY.

TRUENORTH

No ductless, 3.5–4.5 tons model from TRUENORTH.

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