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COOL PRO vs MSH LEGACY: heat pump ratings compared

One of these brands has too few models with every rating for an overall score; see each rating below.

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

COOL PRO

—

of similar heat pumps beaten by its typical model

Not enough rated models

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°FCOOL PRO: Not ratedMSH LEGACY: Beats 25%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCOOL PRO: Not ratedMSH LEGACY: Beats 11%
  • Winter-long heating efficiencyHSPF2COOL PRO: Beats 26%MSH LEGACY: Beats 24%
  • Summer-long cooling efficiencySEER2COOL PRO: Beats 23%MSH LEGACY: Beats 39%
  • Hot-day cooling efficiencyEER2COOL PRO: Beats 61%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

    COOL PRO
    0%
    MSH LEGACY
    0%

  • Xcel CC

    COOL PRO
    0%
    MSH LEGACY
    0%

  • CEE Advanced

    COOL PRO
    0%
    MSH LEGACY
    0%

  • ENERGY STAR CC

    COOL PRO
    0%
    MSH LEGACY
    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?

COOL PRO

No ductless, 2.5–3 tons model from COOL PRO.

MSH LEGACY

No ductless, 2.5–3 tons 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