Manuflow vs Wells: heat pump ratings compared
Against heat pumps of the same size and type, a typical Manuflow model beats 47% and a typical Wells model 63%. Wells rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Manuflow
47%
of similar heat pumps beaten by its typical model
About average23 models listed
Wells
63%
of similar heat pumps beaten by its typical model
Well above average37 models listed
- Efficiency on a 5°F dayCOP at 5°FManuflow: Beats 37%Wells: Beats 64%
- Heating power kept at 5°FCapacity at 5°F vs 47°FManuflow: Beats 42%Wells: Beats 61%
- Winter-long heating efficiencyHSPF2Manuflow: Beats 56%Wells: Beats 74%
- Summer-long cooling efficiencySEER2Manuflow: Beats 58%Wells: Beats 62%
- Hot-day cooling efficiencyEER2Manuflow: Beats 38%Wells: Beats 59%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- Manuflow
- 83%
- Wells
- 87%
Xcel CC
- Manuflow
- 78%
- Wells
- 81%
CEE Advanced
- Manuflow
- 0%
- Wells
- 3%
ENERGY STAR CC
- Manuflow
- 0%
- Wells
- 84%
All-around best, ductless 2.5–3 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?
Manuflow
- 1TFM3G27CHAIR454BManuflow2.5 tons · 27,000 Btu/h · DuctlessCold-climate pick, score 57.5Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.5 (HSPF2)
- Great
- Cooling efficiency
- 24.0 (SEER2)
- Top 10%
- Hot-day cooling
- 12.0 (EER2)
- Good
- 2TFM4G36CHAIR454BManuflow3 tons · 35,000 Btu/h · DuctlessCold-climate pick, score 52.5Meets 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
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 22.5 (SEER2)
- Good
- Hot-day cooling
- 11.1 (EER2)
- Below the middle
- 3TSHG36E2S19NAR45Owith ductless indoor unit TSHG36E2S19NAR45IManuflow3 tons · 36,000 Btu/h · DuctlessNot a cold-climate pick: keeps 56% of its heat at 5°FMeets none of the standards tracked here
- Heat kept at 5°F
- 57% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.03 (COP at 5°F)
- Great
- Winter efficiency
- 9.0 (HSPF2)
- Below the middle
- Cooling efficiency
- 19.0 (SEER2)
- Below the middle
- Hot-day cooling
- 9.0 (EER2)
- Below the middle
Wells
- 1WOM-36HH5/230Wells3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 72.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 103% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 11.3 (HSPF2)
- Top 10%
- Cooling efficiency
- 21.5 (SEER2)
- Good
- Hot-day cooling
- 12.2 (EER2)
- Good
- 2WOM-36RH5/230Wells3 tons · 35,000 Btu/h · DuctlessCold-climate pick, score 47.2Meets 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
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 23.1 (SEER2)
- Great
- Hot-day cooling
- 12.0 (EER2)
- Good
- 3WOM-27HH4/230Wells2.5 tons · 27,000 Btu/h · DuctlessCold-climate pick, score 53.7Meets 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
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 21.0 (SEER2)
- Below the middle
- Hot-day cooling
- 12.0 (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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