DAIZUKI vs Manuflow: heat pump ratings compared
Against heat pumps of the same size and type, a typical DAIZUKI model beats 47% and a typical Manuflow model 47%. They are level.
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
Manuflow
47%
of similar heat pumps beaten by its typical model
About average23 models listed
- Efficiency on a 5°F dayCOP at 5°FDAIZUKI: Beats 39%Manuflow: Beats 37%
- Heating power kept at 5°FCapacity at 5°F vs 47°FDAIZUKI: Beats 41%Manuflow: Beats 42%
- Winter-long heating efficiencyHSPF2DAIZUKI: Beats 47%Manuflow: Beats 56%
- Summer-long cooling efficiencySEER2DAIZUKI: Beats 61%Manuflow: Beats 58%
- Hot-day cooling efficiencyEER2DAIZUKI: Beats 44%Manuflow: Beats 38%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- DAIZUKI
- 92%
- Manuflow
- 83%
Xcel CC
- DAIZUKI
- 75%
- Manuflow
- 78%
CEE Advanced
- DAIZUKI
- 0%
- Manuflow
- 0%
ENERGY STAR CC
- DAIZUKI
- 0%
- Manuflow
- 0%
All-around best, ductless up to 1.5 tons
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). What size is my system?
DAIZUKI
- 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
- 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
- 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
Manuflow
- 1THH12E2S25NAR454Owith ductless indoor unit THH12E2S25NAR454IManuflow1 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
- 2TFM2G18CHAIR454BManuflow1.5 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
- 3TSHG12E2M23NAR45Owith ductless indoor unit TSHG12E2M23NAR45IManuflow1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 59.5Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 72% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Great
- Winter efficiency
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 24.0 (SEER2)
- Great
- Hot-day cooling
- 13.0 (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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