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Manuflow vs OUELLET: heat pump ratings compared

Against heat pumps of the same size and type, a typical Manuflow model beats 47% and a typical OUELLET model 64%. OUELLET 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 average

23 models listed

OUELLET

64%

of similar heat pumps beaten by its typical model

Well above average

23 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • Efficiency on a 5°F dayCOP at 5°FManuflow: Beats 37%OUELLET: Beats 44%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FManuflow: Beats 42%OUELLET: Beats 71%
  • Winter-long heating efficiencyHSPF2Manuflow: Beats 56%OUELLET: Beats 49%
  • Summer-long cooling efficiencySEER2Manuflow: Beats 58%OUELLET: Beats 72%
  • Hot-day cooling efficiencyEER2Manuflow: Beats 38%OUELLET: Beats 74%

Average (50%)Dashed outline: the other brand, for comparison

Want ranks, distributions per size class and cold-weather curves? Switch to Advanced

Rebate standards

Share of each brand’s models that meet the level. Programs can have other rules too.

  • CEE 2025

    Manuflow
    83%
    OUELLET
    96%

  • Xcel CC

    Manuflow
    78%
    OUELLET
    100%

  • CEE Advanced

    Manuflow
    0%
    OUELLET
    13%

  • ENERGY STAR CC

    Manuflow
    0%
    OUELLET
    100%

Top cold-climate picks, ductless up to 1.5 tons

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, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

Manuflow

  1. 1TFM2G18CHAIR454BManuflow1.5 tons · 18,000 Btu/h · DuctlessKeeps 80% of its heat at 5°FMeets 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
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    68.6score / 100
  2. 2THH12E2S25NAR454Owith ductless indoor unit THH12E2S25NAR454IManuflow1 ton · 12,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets 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
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    62.1score / 100
  3. 3TSHG12E2M23NAR45Owith ductless indoor unit TSHG12E2M23NAR45IManuflow1 ton · 12,000 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets 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
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    59.5score / 100

OUELLET

  1. 1OARX-H09A-Owith ductless indoor unit OARX-H09A-IOUELLET1 ton · 9,100 Btu/h · DuctlessKeeps 108% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    108% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.11 (COP at 5°F)
    Great
    Seasonal efficiency
    11.2 (HSPF2)
    Great
    87.2score / 100
  2. 2OARX-H12A-Owith ductless indoor unit OARX-H12A-IOUELLET1 ton · 12,000 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
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    72.1score / 100
  3. 3OCVX-H09A-Owith ductless indoor unit OCVX-H09A-IOUELLET1 ton · 9,100 Btu/h · DuctlessKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.88 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.4 (HSPF2)
    Great
    62.2score / 100

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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