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ZEPHYR heat pumps: how do their ratings compare?

A typical ZEPHYR heat pump beats 58% of similar heat pumps (same size and type), which is above average. ZEPHYR has 25 heat pump models in this list.

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

Overall score

58%

of similar heat pumps beaten by its typical model

Above average

ZEPHYR has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 20 models with every rating.

ZEPHYR, rating by ratingStrongest on heating power kept at 5°f (beats 68%), weakest on efficiency on a 5°f day (beats 40%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 40%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 68%
  • Winter-long heating efficiencyHSPF2Beats 43%
  • Summer-long cooling efficiencySEER2Beats 53%
  • Hot-day cooling efficiencyEER2Beats 52%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want ZEPHYR’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 76%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    19 models. All brands: 48%.

    See them

  • 76%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    19 models. All brands: 38%.

    See them

  • 0%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    None of its models yet. All brands: 1%.

Top ZEPHYR cold-climate picks, by size

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 Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

3 of ZEPHYR’s 4 models of this size and type qualify.

  1. 1ZE-24CA22SEXTwith ductless indoor unit ZE-24CA22SINTZEPHYR2 tons · 23,000 Btu/h · DuctlessKeeps 89% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.13 (COP at 5°F)
    Great
    Seasonal efficiency
    8.6 (HSPF2)
    Below the middle
    64.0score / 100
  2. 2ZE-24M322SCOZEPHYR2 tons · 24,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.1 (HSPF2)
    Good
    56.8score / 100
  3. 3ZE-24UH24SCOwith ductless indoor unit ZE-24UH24SCIZEPHYR2 tons · 24,000 Btu/h · DuctlessKeeps 95% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    95% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.76 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    55.6score / 100

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has ZEPHYR’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

Open the advanced view