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A/H EDEN vs MSH LEGACY: heat pump ratings compared

Against heat pumps of the same size and type, a typical A/H EDEN model beats 34% and a typical MSH LEGACY model 34%. They are level.

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

A/H EDEN

34%

of similar heat pumps beaten by its typical model

Well below average

7 models listed

MSH LEGACY

34%

of similar heat pumps beaten by its typical model

Well below average

7 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°FA/H EDEN: Beats 43%MSH LEGACY: Beats 25%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FA/H EDEN: Beats 31%MSH LEGACY: Beats 11%
  • Winter-long heating efficiencyHSPF2A/H EDEN: Beats 45%MSH LEGACY: Beats 24%
  • Summer-long cooling efficiencySEER2A/H EDEN: Beats 31%MSH LEGACY: Beats 39%
  • Hot-day cooling efficiencyEER2A/H EDEN: Beats 26%MSH LEGACY: Beats 56%

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

    A/H EDEN
    86%
    MSH LEGACY
    0%

  • Xcel CC

    A/H EDEN
    57%
    MSH LEGACY
    0%

  • CEE Advanced

    A/H EDEN
    0%
    MSH LEGACY
    0%

  • ENERGY STAR CC

    A/H EDEN
    0%
    MSH LEGACY
    0%

All-around best, ductless 5 tons and up

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

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

A/H EDEN

No ductless, 5 tons and up model from A/H EDEN.

MSH LEGACY

No ductless, 5 tons and up model from MSH LEGACY.

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