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DAIZUKI heat pumps: how do their ratings compare?

A typical DAIZUKI heat pump beats 47% of similar heat pumps (same size and type), which is about average. DAIZUKI has 12 heat pump models in this list.

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

Overall score

47%

of similar heat pumps beaten by its typical model

About average

DAIZUKI has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 12 models with every rating.

DAIZUKI, rating by ratingStrongest on summer-long cooling efficiency (beats 61%), weakest on efficiency on a 5°f day (beats 39%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 39%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 41%
  • Winter-long heating efficiencyHSPF2Beats 47%
  • Summer-long cooling efficiencySEER2Beats 61%
  • Hot-day cooling efficiencyEER2Beats 44%

Average (50%)

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

Want DAIZUKI’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.

  • 92%

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

    11 models. All brands: 57%.

    See them

  • 75%

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

    9 models. All brands: 53%.

    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: 3%.

DAIZUKI all-around best, by size

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

6 of DAIZUKI’s 6 models of this size and type have all five ratings.

  1. 1DXTH12C526A-25with ductless indoor unit DXTH12E526A-25DAIZUKI1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 62.1Meets CEE 2025, CEE 2026, Xcel 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
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    25.0 (SEER2)
    Great
    Hot-day cooling
    14.0 (EER2)
    Great
    74.4score / 100Heating 62 · Cooling 87
  2. 2DXFMT-1824-2ZDAIZUKI1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 68.6Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    24.0 (SEER2)
    Great
    Hot-day cooling
    13.0 (EER2)
    Good
    72.2score / 100Heating 69 · Cooling 76
  3. 3DXTH18C526A-25with ductless indoor unit DXTH18E526A-25DAIZUKI1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 55.9Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    99% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    23.5 (SEER2)
    Great
    Hot-day cooling
    12.5 (EER2)
    Good
    61.2score / 100Heating 56 · Cooling 67
  4. 4DXTH18C626A-21with ductless indoor unit DXTH18E626A-21DAIZUKI1.5 tons · 17,500 Btu/h · DuctlessCold-climate pick, score 35.9Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.95 (COP at 5°F)
    Good
    Winter efficiency
    9.0 (HSPF2)
    Below the middle
    Cooling efficiency
    21.0 (SEER2)
    Below the middle
    Hot-day cooling
    11.6 (EER2)
    Below the middle
    37.7score / 100Heating 36 · Cooling 40
  5. 5DXTH12C626A-21with ductless indoor unit DXTH12E626A-21DAIZUKI1 ton · 12,000 Btu/h · DuctlessNot a cold-climate pick: keeps 61% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    62% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.5 (HSPF2)
    Below the middle
    Cooling efficiency
    21.0 (SEER2)
    Below the middle
    Hot-day cooling
    11.2 (EER2)
    Below the middle
    29.3score / 100Heating 22 · Cooling 37

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 DAIZUKI’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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