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ComfiAire vs MSH LEGACY: heat pump ratings compared

Against heat pumps of the same size and type, a typical ComfiAire model beats 59% and a typical MSH LEGACY model 51%. ComfiAire rates higher overall.

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

ComfiAire

59%

of similar heat pumps beaten by its typical model

Above average

18 models listed

MSH LEGACY

51%

of similar heat pumps beaten by its typical model

About 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°FComfiAire: Beats 39%MSH LEGACY: Beats 78%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FComfiAire: Beats 74%MSH LEGACY: Beats 16%
  • Winter-long heating efficiencyHSPF2ComfiAire: Beats 45%MSH LEGACY: Beats 33%
  • Summer-long cooling efficiencySEER2ComfiAire: Beats 49%MSH LEGACY: Beats 29%
  • Hot-day cooling efficiencyEER2ComfiAire: Beats 43%MSH LEGACY: Beats 91%

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

    ComfiAire
    61%
    MSH LEGACY
    0%

  • Xcel CC

    ComfiAire
    61%
    MSH LEGACY
    0%

  • CEE Advanced

    ComfiAire
    0%
    MSH LEGACY
    0%

  • ENERGY STAR CC

    ComfiAire
    61%
    MSH LEGACY
    0%

Top cold-climate picks, ducted up to 1.5 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 Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

ComfiAire

No ducted, up to 1.5 tons model from ComfiAire.

MSH LEGACY

None of MSH LEGACY’s ducted, up to 1.5 tons models qualifies.

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