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MULTIZONE vs SEA BREEZE: heat pump ratings compared

Against heat pumps of the same size and type, a typical MULTIZONE model beats 47% and a typical SEA BREEZE model 40%. MULTIZONE rates higher overall.

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

MULTIZONE

47%

of similar heat pumps beaten by its typical model

About average

9 models listed

SEA BREEZE

40%

of similar heat pumps beaten by its typical model

Below average

9 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°FMULTIZONE: Beats 14%SEA BREEZE: Beats 54%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FMULTIZONE: Beats 33%SEA BREEZE: Beats 25%
  • Winter-long heating efficiencyHSPF2MULTIZONE: Beats 23%SEA BREEZE: Beats 32%
  • Summer-long cooling efficiencySEER2MULTIZONE: Beats 31%SEA BREEZE: Beats 40%
  • Hot-day cooling efficiencyEER2MULTIZONE: Beats 47%SEA BREEZE: Beats 37%

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

    MULTIZONE
    22%
    SEA BREEZE
    56%

  • Xcel CC

    MULTIZONE
    11%
    SEA BREEZE
    22%

  • CEE Advanced

    MULTIZONE
    0%
    SEA BREEZE
    0%

  • ENERGY STAR CC

    MULTIZONE
    0%
    SEA BREEZE
    22%

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?

MULTIZONE

No ducted, up to 1.5 tons model from MULTIZONE.

SEA BREEZE

No ducted, up to 1.5 tons model from SEA BREEZE.

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