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APOWER vs ZAFRO: heat pump ratings compared

Against heat pumps of the same size and type, a typical APOWER model beats 58% and a typical ZAFRO model 33%. APOWER rates higher overall.

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

APOWER

58%

of similar heat pumps beaten by its typical model

Above average

19 models listed

ZAFRO

33%

of similar heat pumps beaten by its typical model

Well below average

19 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°FAPOWER: Beats 49%ZAFRO: Beats 62%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAPOWER: Beats 65%ZAFRO: Beats 33%
  • Winter-long heating efficiencyHSPF2APOWER: Beats 43%ZAFRO: Beats 22%
  • Summer-long cooling efficiencySEER2APOWER: Beats 61%ZAFRO: Beats 33%
  • Hot-day cooling efficiencyEER2APOWER: Beats 67%ZAFRO: Beats 21%

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

    APOWER
    90%
    ZAFRO
    63%

  • Xcel CC

    APOWER
    95%
    ZAFRO
    58%

  • CEE Advanced

    APOWER
    16%
    ZAFRO
    0%

  • ENERGY STAR CC

    APOWER
    0%
    ZAFRO
    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?

APOWER

No ductless, 5 tons and up model from APOWER.

ZAFRO

No ductless, 5 tons and up model from ZAFRO.

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