DAIZUKI vs Durastar: heat pump ratings compared
Against heat pumps of the same size and type, a typical DAIZUKI model beats 47% and a typical Durastar model 53%. Durastar rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
DAIZUKI
47%
of similar heat pumps beaten by its typical model
About average12 models listed
Durastar
53%
of similar heat pumps beaten by its typical model
About average67 models listed
- Efficiency on a 5°F dayCOP at 5°FDAIZUKI: Beats 39%Durastar: Beats 64%
- Heating power kept at 5°FCapacity at 5°F vs 47°FDAIZUKI: Beats 41%Durastar: Beats 51%
- Winter-long heating efficiencyHSPF2DAIZUKI: Beats 47%Durastar: Beats 54%
- Summer-long cooling efficiencySEER2DAIZUKI: Beats 61%Durastar: Beats 47%
- Hot-day cooling efficiencyEER2DAIZUKI: Beats 44%Durastar: Beats 47%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- DAIZUKI
- 92%
- Durastar
- 54%
Xcel CC
- DAIZUKI
- 75%
- Durastar
- 48%
CEE Advanced
- DAIZUKI
- 0%
- Durastar
- 5%
ENERGY STAR CC
- DAIZUKI
- 0%
- Durastar
- 49%
All-around best, ductless 2 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?
DAIZUKI
- 1DXTH24C526A-25with ductless indoor unit DXTH24E526A-25DAIZUKI2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 58.0Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 93% (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
- 22.5 (SEER2)
- Good
- Hot-day cooling
- 11.7 (EER2)
- Below the middle
- 2DXTH24C626A-21with ductless indoor unit DXTH24E626A-21DAIZUKI2 tons · 23,000 Btu/h · DuctlessNot a cold-climate pick: keeps 54% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 55% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.25 (COP at 5°F)
- Great
- Winter efficiency
- 9.0 (HSPF2)
- Below the middle
- Cooling efficiency
- 21.0 (SEER2)
- Below the middle
- Hot-day cooling
- 11.8 (EER2)
- Below the middle
Durastar
- 1DRA1U24S2Awith ductless indoor unit DRAW24F2ADurastar2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 77.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.15 (COP at 5°F)
- Great
- Winter efficiency
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 23.5 (SEER2)
- Top 10%
- Hot-day cooling
- 13.0 (EER2)
- Great
- 2DRA1H24S2Awith ductless indoor unit DRAW24F2ADurastar2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 89.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 92% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 13.3 (HSPF2)
- Top 10%
- Cooling efficiency
- 22.3 (SEER2)
- Good
- Hot-day cooling
- 12.5 (EER2)
- Good
- 3DRA4U28M2ADurastar2 tons · 26,000 Btu/h · DuctlessCold-climate pick, score 41.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 70% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 9.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 23.0 (SEER2)
- Great
- Hot-day cooling
- 12.2 (EER2)
- Good
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.
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